Ashley Mitchell Gerboth , PA-C
Physician Assistant โข Seattle, WA
4311 11th Ave Ne Ste 200
Seattle, WA 981056367
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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Ashley Gerboth is listed in NPPES under Physician Assistant.
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NPI assigned on August 24, 2020; this date does not establish years in practice.
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Published CMS data list 262 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:
- 32555 โ Aspiration of fluid from chest cavity using imaging guidance: 83 service units.
- 49083 โ Drainage of fluid from abdominal cavity using imaging guidance: 68 service units.
- 10005 โ Fine needle aspiration biopsy using ultrasound guidance, first growth: 31 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 8 records in the table ยท Guide: How to read Medicare Part B data
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More Medicare Part B services than 65% of clinicians listed under Physician Assistant in Seattle, WA (2024, 354 clinicians with data). Median for this group: 148. Middle half: 56 to 321.
Close to the middle for Medicare Part B services among clinicians listed under Physician Assistant in Washington (2024, 1,707 clinicians with data). Median for this group: 218. Middle half: 77 to 474.
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 99 in 2022 to 262 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2022โ2024.
Practice Location & Contact Primary Location
4311 11th Ave Ne Ste 200
Seattle, WA 981056367
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Radia Inc P S. 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
2021
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
220 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 $19,033 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 $14,784 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.
Open Payments general payments, program year 2024
All general payments: $195.77 across 3 records.
By nature of payment
- Food and Beverage: $195.77 across 3 records.
Reporting-company totals
- Teleflex LLC: $151.69 across 1 record.
- Medtronic, Inc.: $29.21 across 1 record.
- Zimmer Biomet Holdings, Inc.: $14.87 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 2024 (published June 30, 2026).
Years since graduation
5 years (graduated 2021)
CMS Doctors and Clinicians data list 2021 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
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.
Enrolled in Medicare (PECOS)
Ashley Gerboth 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 Ashley Gerboth 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 Seattle and Washington
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 65% of clinicians listed under Physician Assistant in Seattle, WA (2024, 354 clinicians with data). Median for this group: 148. Middle half: 56 to 321.
Close to the middle for clinicians listed under Physician Assistant in Washington (2024, 1,707 clinicians with data). Median for this group: 218. Middle half: 77 to 474.
Medicare-allowed amount
A higher Medicare-allowed amount than 60% of clinicians listed under Physician Assistant in Seattle, WA (2024, 354 clinicians with data). Median for this group: $13,493. Middle half: $5,394 to $24,568.
Close to the middle for clinicians listed under Physician Assistant in Washington (2024, 1,707 clinicians with data). Median for this group: $16,952. Middle half: $6,879 to $34,613.
Paid by Medicare
A higher Medicare payment amount than 65% of clinicians listed under Physician Assistant in Seattle, WA (2024, 354 clinicians with data). Median for this group: $9,797. Middle half: $3,900 to $18,525.
Close to the middle for clinicians listed under Physician Assistant in Washington (2024, 1,707 clinicians with data). Median for this group: $12,488. Middle half: $4,857 to $25,122.
828 active clinicians are listed under Physician Assistant with a practice address in Seattle, WA (3,718 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Seattle
19% of these 828 clinicians have the CMS telehealth indicator.
67.3% of these 828 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 165% from 99 in 2022 to 262 in 2024.
- 2022: 99
- 2023: 218
- 2024: 262
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Medicare-allowed amount
Medicare-allowed amount increased 440% from $3,528 in 2022 to $19,033 in 2024.
- 2022: $3,528
- 2023: $15,974
- 2024: $19,033
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Paid by Medicare
Paid by Medicare increased 424% from $2,819 in 2022 to $14,784 in 2024.
- 2022: $2,819
- 2023: $12,553
- 2024: $14,784
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $12.51 in 2022 to $195.77 in 2024.
- 2022: $12.51
- 2023: $20.15
- 2024: $195.77
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2024), 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 2024 (payments made January 1 โ December 31, 2024): fewer than 11 records totaling $195.77.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Teleflex LLC |
Food and Beverage
In-kind items and services
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ARROW | General | $151.69 |
| Medtronic, Inc. |
Food and Beverage
In-kind items and services
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AZURE XT DR MRI SURESCAN | General | $29.21 |
| Zimmer Biomet Holdings, Inc. |
Food and Beverage
In-kind items and services
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RIBFIX BLU ADVANTAGE | General | $14.87 |
Source: CMS Open Payments, program year 2024, 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 2021โ2023 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, 2022โ2024; 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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32555
Aspiration of fluid from chest cavity using imaging guidance
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83 | 62 | $359.00 | $94.18 |
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49083
Drainage of fluid from abdominal cavity using imaging guidance
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68 | 31 | $1033.00 | $92.46 |
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10005
Fine needle aspiration biopsy using ultrasound guidance, first growth
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31 | 31 | $238.00 | $64.23 |
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77002
Fluoroscopic guidance for needle placement
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21 | 21 | $100.00 | $23.37 |
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74230
Imaging for evaluation of swallowing function
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17 | 17 | $91.20 | $22.37 |
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62328
Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance
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15 | 14 | $294.00 | $75.25 |
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99152
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes
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15 | 15 | $39.00 | $10.43 |
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38222
Biopsy and aspiration of bone marrow sample for diagnosis
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12 | 12 | $256.00 | $65.09 |
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.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-04-08NUCC 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.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20220426002285
WA
0042607863
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
Radia Inc P S
747 Broadway, Seattle, WA 981224379
Phone: 2063866000
Radia Inc P S
1035 116th Ave Ne, Bellevue, WA 980044604
Phone: 4256885000
Radia Inc P S
12040 Ne 128th St, Kirkland, WA 980343013
Phone: 4258991800
Radia Inc P S
747 Broadway Rm, Seattle, WA 981224379
Phone: 2063866000
Radia Inc P S
751 Ne Blakely Dr, Issaquah, WA 980296201
Radia Inc P S
500 17th Ave, Seattle, WA 981225711
Phone: 2063203700
Radia Inc P S
700 Minor Ave, Seattle, WA 981042146
Phone: 4255631500
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Physician Assistant
Physician Assistant
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Physician Assistant - Medical
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Student in an Organized Health Care Education/Training Program
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 19020 33RD AVE W, LYNNWOOD, WA 980364746
Recorded as ASHLEY GERBOTH, PA-C
Recorded as ASHLEY MITCHELL, PA-C
Physician Assistant
NPI status registered as active in NPPES database
Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367 (Tel: 2066164001)
Registered at 4311 11TH AVE NE STE 200, SEATTLE, WA 981056367
Recorded as ASHLEY MITCHELL
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 Seattle
All Physician Assistants in SeattleMailing Address
19020 33rd Ave W
Lynnwood, WA 980364746