Ariel Fontaine Griffin
Physician Assistant โข Boulder, CO
4743 Arapahoe Ave Ste 104
Boulder, CO 803031123
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on June 22, 2020; this date does not establish years in practice.
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Published CMS data list 2,418 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- G2211 โ Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's: 601 service units.
- 81003 โ Automated urinalysis test: 418 service units.
- 99214 โ Established patient outpatient office visit: 332 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 16 records in the table ยท Guide: How to read Medicare Part B data
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Published CMS data list 962 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Tamsulosin Hcl โ 255 prescription fills, including refills.
- Gemtesa (Vibegron) โ 152 prescription fills, including refills.
- Myrbetriq (Mirabegron) โ 86 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 20 records in the table ยท Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 80% of clinicians listed under Physician Assistant in Boulder, CO (2024, 51 clinicians with data). Median for this group: 388. Middle half: 180 to 1,299.
More Medicare Part B services than 95% of clinicians listed under Physician Assistant in Colorado (2024, 1,641 clinicians with data). Median for this group: 195. Middle half: 69 to 517.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 290 in 2021 to 2,418 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021โ2024.
Practice Location & Contact Primary Location
4743 Arapahoe Ave Ste 104
Boulder, CO 803031123
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Waxhaw, NC. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
CMS Doctors and Clinicians lists 1 group name: Advanced Urology Pllc. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
2020
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
522 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $123,545 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $92,463 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
30-day fills
1,674 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$669,088 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $4,138.07 across 75 records.
By nature of payment
- Food and Beverage: $2,392.75 across 72 records.
- Consulting Fee: $940.00 across 1 record.
- Travel and Lodging: $805.32 across 2 records.
Reporting-company totals (3 largest of 23)
- Boston Scientific Corporation: $1,248.84 across 9 records.
- Janssen Pharmaceuticals, Inc: $1,104.29 across 3 records.
- Janssen Pharmaceuticals, Inc: $314.61 across 5 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
6 years (graduated 2020)
CMS Doctors and Clinicians data list 2020 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2020
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Ariel Griffin has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Ariel Griffin as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Boulder and Colorado
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 80% of clinicians listed under Physician Assistant in Boulder, CO (2024, 51 clinicians with data). Median for this group: 388. Middle half: 180 to 1,299.
More Medicare Part B services than 95% of clinicians listed under Physician Assistant in Colorado (2024, 1,641 clinicians with data). Median for this group: 195. Middle half: 69 to 517.
Medicare-allowed amount
A higher Medicare-allowed amount than 95% of clinicians listed under Physician Assistant in Boulder, CO (2024, 51 clinicians with data). Median for this group: $31,287. Middle half: $12,705 to $53,615.
A higher Medicare-allowed amount than 95% of clinicians listed under Physician Assistant in Colorado (2024, 1,641 clinicians with data). Median for this group: $15,616. Middle half: $6,273 to $34,912.
Paid by Medicare
A higher Medicare payment amount than 90% of clinicians listed under Physician Assistant in Boulder, CO (2024, 51 clinicians with data). Median for this group: $23,204. Middle half: $9,120 to $39,233.
A higher Medicare payment amount than 95% of clinicians listed under Physician Assistant in Colorado (2024, 1,641 clinicians with data). Median for this group: $11,339. Middle half: $4,686 to $25,550.
Medicare Part D prescriptions
More Part D prescriptions than 85% of clinicians listed under Physician Assistant in Boulder, CO (2024, 66 clinicians with data). Median for this group: 215. Middle half: 83 to 463.
More Part D prescriptions than 80% of clinicians listed under Physician Assistant in Colorado (2024, 2,034 clinicians with data). Median for this group: 194. Middle half: 63 to 625.
Part D drug cost
A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Boulder, CO (2024, 66 clinicians with data). Median for this group: $3,354. Middle half: $910 to $28,268.
A higher Part D drug cost than 95% of clinicians listed under Physician Assistant in Colorado (2024, 2,034 clinicians with data). Median for this group: $3,374. Middle half: $574 to $55,951.
100 active clinicians are listed under Physician Assistant with a practice address in Boulder, CO (3,767 in Colorado).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Boulder
13% of these 100 clinicians have the CMS telehealth indicator.
68% of these 100 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 734% from 290 in 2021 to 2,418 in 2024.
- 2021: 290
- 2022: 1,485
- 2023: 1,578
- 2024: 2,418
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Medicare-allowed amount
Medicare-allowed amount increased 962% from $11,628 in 2021 to $123,545 in 2024.
- 2021: $11,628
- 2022: $87,798
- 2023: $100,797
- 2024: $123,545
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Paid by Medicare
Paid by Medicare increased 896% from $9,279 in 2021 to $92,463 in 2024.
- 2021: $9,279
- 2022: $65,230
- 2023: $73,233
- 2024: $92,463
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 187% from 335 in 2022 to 962 in 2024.
- 2022: 335
- 2023: 752
- 2024: 962
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30-day fills
30-day fills increased 232% from 504 in 2022 to 1,674 in 2024.
- 2022: 504
- 2023: 1,251
- 2024: 1,674
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Part D drug cost
Part D drug cost increased 1981% from $32,151 in 2022 to $669,088 in 2024.
- 2022: $32,151
- 2023: $632,460
- 2024: $669,088
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $764.11 in 2021 to $4,138.07 in 2025.
- 2021: $764.11
- 2022: $774.78
- 2023: $2,492.78
- 2024: $1,878.01
- 2025: $4,138.07
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 โ December 31, 2025): 75 records totaling $4,138.07.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Janssen Pharmaceuticals, Inc |
Consulting Fee
Cash or cash equivalent
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ERLEADA | General | $940.00 |
| Boston Scientific Corporation |
Travel and Lodging
In-kind items and services
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Axonics | General | $576.97 |
| Boston Scientific Corporation |
Travel and Lodging
In-kind items and services
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Axonics | General | $228.35 |
| Boston Scientific Corporation |
Food and Beverage
In-kind items and services
|
Axonics | General | $163.25 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
ERLEADA | General | $137.69 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
RYBREVANT | General | $124.81 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
RYBREVANT | General | $117.94 |
| Boston Scientific Corporation |
Food and Beverage
In-kind items and services
|
Axonics | General | $93.39 |
| Boston Scientific Corporation |
Food and Beverage
In-kind items and services
|
Axonics | General | $64.48 |
| ConvaTec Inc. |
Food and Beverage
In-kind items and services
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GENTLECATH | General | $55.91 |
| Boston Scientific Corporation |
Food and Beverage
In-kind items and services
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Axonics | General | $51.04 |
| Boston Scientific Corporation |
Food and Beverage
In-kind items and services
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Axonics | General | $49.39 |
| Sumitomo Pharma America, Inc. |
Food and Beverage
In-kind items and services
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ORGOVYX | General | $41.67 |
| UROGEN PHARMA, INC. |
Food and Beverage
In-kind items and services
|
โ | General | $37.30 |
| ConvaTec Inc. |
Food and Beverage
In-kind items and services
|
GENTLECATH | General | $36.97 |
| Olympus America Inc. |
Food and Beverage
In-kind items and services
|
ShockPulse | General | $34.93 |
| Novartis Pharmaceuticals Corporation |
Food and Beverage
In-kind items and services
|
PLUVICTO | General | $34.22 |
| Cardinal Health 414 LLC |
Food and Beverage
In-kind items and services
|
โ | General | $32.90 |
| Astellas Pharma US Inc |
Food and Beverage
In-kind items and services
|
Xtandi | General | $32.33 |
| Janssen Pharmaceuticals, Inc |
Food and Beverage
In-kind items and services
|
ERLEADA | General | $32.31 |
| Novartis Pharmaceuticals Corporation |
Food and Beverage
In-kind items and services
|
PLUVICTO | General | $32.25 |
| Novartis Pharmaceuticals Corporation |
Food and Beverage
In-kind items and services
|
PLUVICTO | General | $31.73 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
|
Rivfloza | General | $31.71 |
| Bayer Healthcare Pharmaceuticals Inc. |
Food and Beverage
In-kind items and services
|
Nubeqa | General | $31.00 |
| Sumitomo Pharma America, Inc. |
Food and Beverage
In-kind items and services
|
ORGOVYX | General | $29.93 |
(top 25 shown)
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2020โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2021โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
|
601 | 393 | $41.80 | $13.83 |
|
81003
Automated urinalysis test
|
418 | 294 | $5.00 | $2.20 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
332 | 247 | $305.95 | $109.70 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
|
267 | 199 | $269.88 | $77.76 |
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51798
Ultrasound measurement of bladder capacity after voiding
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227 | 177 | $61.81 | $11.66 |
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J9217
Leuprolide acetate (for depot suspension), 7.5 mg
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142 | 24 | $432.10 | $178.61 |
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51702
Simple insertion of temporary bladder tube
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80 | 20 | $147.25 | $53.88 |
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99426
Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month
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73 | 12 | $157.14 | $52.85 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
|
68 | 68 | $406.47 | $142.67 |
|
96402
Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle
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63 | 31 | $142.33 | $30.71 |
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96372
Injection of drug or substance under skin or into muscle
|
51 | 20 | $115.65 | $12.34 |
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99239
Hospital discharge day management, more than 30 minutes
|
25 | 25 | $193.84 | $96.30 |
|
99233
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
|
22 | 15 | $188.45 | $99.10 |
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99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
|
19 | 19 | $248.42 | $108.94 |
|
P9612
Catheterization for collection of specimen, single patient, all places of service
|
17 | 13 | $21.00 | $8.65 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
13 | 13 | $366.46 | $144.87 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Tamsulosin Hcl | Tamsulosin Hcl | 255 | 16,058 | $2,615.92 | 83 |
| Gemtesa | Vibegron | 152 | 5,994 | $97,943.11 | 36 |
| Myrbetriq | Mirabegron | 86 | 3,983 | $61,079.79 | 23 |
| Methenamine Hippurate | Methenamine Hippurate | 46 | 2,364 | $4,462.72 | 16 |
| Finasteride | Finasteride | 42 | 3,720 | $766.95 | 18 |
| Estradiol | Estradiol | 39 | 3,254 | $2,452.58 | 29 |
| Xtandi | Enzalutamide | 36 | 1,080 | $493,202.10 | โ |
| Testosterone Cypionate | Testosterone Cypionate | 34 | 1,166 | $746.49 | โ |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 34 | 244 | $216.48 | 29 |
| Dutasteride | Dutasteride | 33 | 3,050 | $1,885.32 | โ |
| Solifenacin Succinate | Solifenacin Succinate | 32 | 876 | $664.56 | 11 |
| Doxycycline Monohydrate | Doxycycline Monohydrate | 31 | 220 | $423.78 | 27 |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 30 | 1,552 | $367.86 | 11 |
| Potassium Citrate Er | Potassium Citrate | 26 | 1,260 | $1,710.10 | โ |
| Levofloxacin | Levofloxacin | 20 | 85 | $52.88 | 20 |
| Cefdinir | Cefdinir | 16 | 116 | $269.01 | 16 |
| Sulfamethoxazole-Trimethoprim | Sulfamethoxazole/Trimethoprim | 14 | 99 | $62.51 | 14 |
| Ciprofloxacin Hcl | Ciprofloxacin Hcl | 13 | 81 | $75.68 | 11 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 12 | 46 | $52.57 | 11 |
| Prednisone | Prednisone | 11 | 510 | $38.08 | โ |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-05-29NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20210429002172
CO
9032528294
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Advanced Urology Pllc
500 W 144th Ave, Westminster, CO 800239328
Phone: 7202270977
Advanced Urology Pllc
300 Exempla Circle, Lafayette, CO 800263392
Phone: 7205363011
Advanced Urology Pllc
4743 Arapahoe Ave, Boulder, CO 803031123
Phone: 3034449000
Advanced Urology Pllc
32135 Castle Ct, Evergreen, CO 804398006
Phone: 3039852550
Secondary Practice Locations
8600 Riverdale Ct
Waxhaw, NC 281737576
Phone: 7047712116
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Specialist
Doctor of Medicine (M.D.)
Urology
MDPHD
Urology
Specialist
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 10200 GRAND CENTRAL AVE STE 220, OWINGS MILLS, MD 211174366 (Tel: 8669533111)
Registered at 4743 ARAPAHOE AVE STE 104, BOULDER, CO 803031123 (Tel: 3034449000)
Registered at 25 CROSSROADS DR STE 306, OWINGS MILLS, MD 211175437 (Tel: 8669533111)
NPI status registered as active in NPPES database
Registered at 8600 RIVERDALE CT, WAXHAW, NC 281737576 (Tel: 7047712116)
Registered at 8600 RIVERDALE CT, WAXHAW, NC 281737576 (Tel: 7047712116)
Recorded as ARIEL GRIFFIN
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Physician Assistants in Boulder
- Anthony Carcella
- Kara Burkhardt, PA-C
- Paul Young
- Jeffrey Stoll, PA
- Michael Hugus, PA
- Rachel Edwards, PA-C
Mailing Address
10200 Grand Central Ave Ste 220
Owings Mills, MD 211174366
Phone: 8669533111