Sarah Null , PA
Physician Assistant • Flower Mound, TX
2560 Central Park Ave Ste 195
Flower Mound, TX 750281566
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 August 24, 2010; this date does not establish years in practice.
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Published CMS data list 91 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 99214 — Established patient outpatient office visit: 55 service units.
- 99213 — Established patient outpatient office visit: 36 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Published CMS data list 240 Medicare Part D prescriptions, including refills, in 2018.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2018. Published rows only; this is not a quality measure.
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Published Part D records, 2018:
- Lisinopril — 24 prescription fills, including refills.
- Levothyroxine Sodium — 24 prescription fills, including refills.
- Methylprednisolone — 22 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2018. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 15 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 218 in 2017 to 91 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
2560 Central Park Ave Ste 195
Flower Mound, TX 750281566
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 Decatur, TX. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $7,039 in 2018
The total amount Medicare approved for these services in 2018. 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 – by Provider and Service, 2018.
Paid by Medicare
About $3,771 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, 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 – by Provider and Service, 2018.
30-day fills
583 standardized 30-day fills in 2018
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
$4,189 in 2018
The total cost of these prescriptions in 2018, 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 – by Provider and Drug, 2018.
Open Payments general payments, program year 2025
All general payments: $37.10 across 2 records.
By nature of payment
- Food and Beverage: $37.10 across 2 records.
Reporting-company totals
- ALK-Abello, Inc: $22.05 across 1 record.
- Collegium Pharmaceutical, Inc.: $15.05 across 1 record.
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).
NPI first issued
2010
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Flower Mound and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Sarah Null are from 2018.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Sarah Null are from 2018.
42 active clinicians are listed under Physician Assistant with a practice address in Flower Mound, TX (11,008 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Flower Mound
35.7% of these 42 clinicians have the CMS telehealth indicator.
76.2% of these 42 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 decreased 58% from 218 in 2017 to 91 in 2018.
- 2017: 218
- 2018: 91
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Medicare-allowed amount
Medicare-allowed amount decreased 38% from $11,397 in 2017 to $7,039 in 2018.
- 2017: $11,397
- 2018: $7,039
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Paid by Medicare
Paid by Medicare decreased 43% from $6,573 in 2017 to $3,771 in 2018.
- 2017: $6,573
- 2018: $3,771
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Medicare Part D prescriptions
Medicare Part D prescriptions varied from year to year: 248 in 2014 and 240 in 2018.
- 2014: 248
- 2015: 503
- 2016: 477
- 2017: 408
- 2018: 240
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30-day fills
30-day fills increased 61% from 363 in 2014 to 583 in 2018.
- 2014: 363
- 2015: 892
- 2016: 936
- 2017: 922
- 2018: 583
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Part D drug cost
Part D drug cost varied from year to year: $3,948 in 2014 and $4,189 in 2018.
- 2014: $3,948
- 2015: $7,310
- 2016: $13,312
- 2017: $9,050
- 2018: $4,189
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $17.01 in 2021 to $37.10 in 2025.
- 2021: $17.01
- 2023: $45.20
- 2025: $37.10
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Medicare Part D Prescribers (2018), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · 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 – December 31, 2025): fewer than 11 records totaling $37.10.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| ALK-Abello, Inc |
Food and Beverage
In-kind items and services
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NEFFY | General | $22.05 |
| Collegium Pharmaceutical, Inc. |
Food and Beverage
Cash or cash equivalent
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Jornay PM | General | $15.05 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2017 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 – by Provider and Service data, 2017–2018; 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 |
|---|---|---|---|---|
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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55 | 51 | $323.00 | $88.71 |
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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
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36 | 33 | $218.00 | $60.00 |
Source: CMS Part B by Provider and Service, 2018; 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 2018.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Lisinopril | Lisinopril | 24 | 1,975 | $171.61 | 15 |
| Levothyroxine Sodium | Levothyroxine Sodium | 24 | 1,980 | $448.56 | 14 |
| Methylprednisolone | Methylprednisolone | 22 | 132 | $241.58 | 20 |
| Atorvastatin Calcium | Atorvastatin Calcium | 22 | 1,920 | $443.83 | 13 |
| Amlodipine Besylate | Amlodipine Besylate | 20 | 1,800 | $169.84 | 11 |
| Metformin Hcl | Metformin Hcl | 17 | 1,230 | $188.83 | 11 |
| Trazodone Hcl | Trazodone Hcl | 16 | 1,215 | $202.54 | — |
| Nitrofurantoin Mono-Macro | Nitrofurantoin Monohyd/M-Cryst | 15 | 89 | $339.91 | 15 |
| Simvastatin | Simvastatin | 13 | 1,170 | $198.67 | — |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 12 | 1,005 | $97.03 | — |
| Escitalopram Oxalate | Escitalopram Oxalate | 11 | 510 | $185.43 | — |
| Furosemide | Furosemide | 11 | 930 | $83.06 | — |
| Omeprazole | Omeprazole | 11 | 870 | $105.06 | — |
| Oxybutynin Chloride Er | Oxybutynin Chloride | 11 | 765 | $901.23 | — |
| Pravastatin Sodium | Pravastatin Sodium | 11 | 990 | $411.79 | — |
Source: CMS Part D by Provider and Drug, 2018; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC 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: 207Q00000X
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Additional State Medicaid & Healthcare Payer Identifiers
Secondary Practice Locations
1001 W Eagle Dr
Decatur, TX 762343745
Phone: 9406277443
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 2560 CENTRAL PARK AVE STE 195, FLOWER MOUND, TX 750281566 (Tel: 9724201475)
Registered at 2560 CENTRAL PARK AVE STE 195, FLOWER MOUND, TX 750281566 (Tel: 9724201475)
NPI status registered as active in NPPES database
Registered at 1001 W EAGLE DR, DECATUR, TX 762343745 (Tel: 9406277443)
Registered at 1001 W EAGLE DR, DECATUR, TX 762343745 (Tel: 9406277443)
Recorded as SARAH NULL, PA
Family Medicine (license number reported to NPPES: TX TEMORARY)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Physician Assistants in Flower Mound
- Alexandra Mcmullan, MS, PA-C
- Angelica Ybanez Bennett, PA
- Dawn Wells, PHYSICIAN ASSISTANT
- Michele Hampton, PA
- The Tran, PHYSICIAN ASSISTANT
- Tiffany Fowler, PA-C
Mailing Address
2560 Central Park Ave Ste 195
Flower Mound, TX 750281566
Phone: 9724201475