Troy J. Chatwin, P.A.
Medical Physician Assistant · Seattle, WA
Troy J. Chatwin, P.A. is a medical physician assistant with a practice address in Seattle, Washington, and NPI 1518014919, issued on Jan 5, 2007. Check the license (Washington PA10004584, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Troy J. Chatwin
- Credential
- P.A.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA10004584 WA
Self-reported in NPPES; status is on the state search - Practice location
- 125 16TH Ave E # Csb-4, Seattle, WA 98112
- Phone
- (206) 326-3000
- Enumerated
- Jan 5, 2007
- Record last updated
- Mar 8, 2023
- Fax
- (877) 515-2975
- Medicaid ID
- 8383614 WA
- Medicare enrollment
- Enrolled (PECOS I20040421001701); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 125 16TH Ave E # Csb-4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elsa Johnson, M.D.Pediatrics Physician1013062157
- Paula Terhaar, M.D.Family Medicine Physician1720130891
Verify Troy J. Chatwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average medical physician assistant in 2024
975 Medicare Part D claims for 605 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 119 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen43 claims
- Omeprazole43 claims
- Levothyroxine Sodium38 claims
- Gabapentin32 claims
- Pantoprazole Sodium28 claims
- Jardiance26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy J. Chatwin among 1,068 medical physician assistant records in Washington
Troy J. Chatwin, P.A. is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 53% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2001 · median 2013 among the 581 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Seattle → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kanthi Akkineni, PA-CSeattle, WA 981121346649282
- Bridget Albright, PHYSICIAN ASSISTANTSeattle, WA 981121124217583
- Jasmine Bentley, PA-CSeattle, WA 981121972972818
- Miriam Dick, P.A.Seattle, WA 981121679617534
- Larry Dunlap, PA-CSeattle, WA 981121477699239
- Robert Fisse, PA-CSeattle, WA 981121295714194
- Kathy Kline, P.A.Seattle, WA 981121881746386
- Emilie Lowens, PA-CSeattle, WA 981121174625040
Common questions
What is Troy J. Chatwin, P.A.'s NPI number?
Troy J. Chatwin, P.A.'s National Provider Identifier (NPI) is 1518014919, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Troy J. Chatwin, P.A. located?
The NPPES record lists a practice address at 125 16TH Ave E # Csb-4, Seattle, WA, 98112. Phone: (206) 326-3000. Providers update this record themselves, so call before visiting.
How can I verify Troy J. Chatwin, P.A.'s license?
NPPES lists Washington license number PA10004584, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Troy J. Chatwin, P.A. prescribe under Medicare Part D?
In 2024, Troy J. Chatwin, P.A. had 975 Medicare Part D claims for 605 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.