Thomas James Duncan, MD
Family Medicine Physician · Olympia, WA
Thomas James Duncan, MD is a family medicine physician with a practice address in Olympia, Washington, and NPI 1639113327, issued on Jun 15, 2006. Check the license (Washington MD00040214, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Thomas James Duncan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00040214 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2950 Limited LN NW, Olympia, WA 98502
- Phone
- (360) 706-2763
- Enumerated
- Jun 15, 2006
- Record last updated
- Sep 26, 2025
- Fax
- (360) 350-0735
- Medicare enrollment
- Enrolled (PECOS I20050726000362); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 2950 Limited LN NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Essert, ARNP-FNPPrimary Care Nurse Practitioner1669394540
- Brad Goldworm, P.A.Medical Physician Assistant1295889087
- Kimberly Riano, ARNPPrimary Care Nurse Practitioner1033133566
Verify Thomas James Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00040214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average family medicine physician in 2024
2,933 Medicare Part D claims for 142 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 30 claims were for opioids.
Most prescribed
- Amlodipine Besylate153 claims
- Mounjaro106 claims
- Levothyroxine Sodium102 claims
- Lisinopril101 claims
- Atorvastatin Calcium92 claims
- Rosuvastatin Calcium87 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.
Industry payments in 2024: $457.44
24 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thomas James Duncan among 5,534 family medicine physician records in Washington
Thomas James Duncan, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1996 · median 2009 among the 3,294 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
155 family medicine physician records list a practice address in Olympia
They are 155 of the 5,034 NPPES records with a practice address in Olympia, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Olympia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregary Blackner, M.D.Olympia, WA 985021316050602
- Vivian Blanco, MDOlympia, WA 985021124112073
- Rebecca Brandt, MDOlympia, WA 985021689651952
- Randy Buckner, D.O.Olympia, WA 985021841207792
- Charles BuserOlympia, WA 985021790850337
- David Gillingham, D.O.Olympia, WA 985021376617159
- Gary Goin, MDOlympia, WA 985021912081506
- Mikel Gomez, M.D.Olympia, WA 985021427122050
Common questions
What is Thomas James Duncan, MD's NPI number?
Thomas James Duncan, MD's National Provider Identifier (NPI) is 1639113327, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas James Duncan, MD located?
The NPPES record lists a practice address at 2950 Limited LN NW, Olympia, WA, 98502. Phone: (360) 706-2763. Providers update this record themselves, so call before visiting.
How can I verify Thomas James Duncan, MD's license?
NPPES lists Washington license number MD00040214, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas James Duncan, MD prescribe under Medicare Part D?
In 2024, Thomas James Duncan, MD had 2,933 Medicare Part D claims for 142 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.