NPPES file of Aug 9, 2026

Stephen F. Duncan, M.D.

Family Medicine Physician · Puyallup, WA

Stephen F. Duncan, M.D. is a family medicine physician with a practice address in Puyallup, Washington, and NPI 1295892446, issued on Jan 3, 2007. Check the license (Washington MD00018575, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295892446
Name
Stephen F. Duncan
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00018575 WA
Self-reported in NPPES; status is on the state search
Practice location
611 31St Ave SW, Puyallup, WA 98373
Phone
(253) 445-7100
Enumerated
Jan 3, 2007
Record last updated
May 2, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
8142408 WA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 611 31St Ave SW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bose AmosunPhysician Assistant1962283622
  2. Kathryn Annand, MDFamily Medicine Physician1528705118
  3. Andrea Dunn, P.A.Medical Physician Assistant1033265913
  4. Merrily Fillmore, ARNPNurse Practitioner1447012695
  5. Tiana FullerPhysician Assistant1164387056
  6. Nancy Grubb, MDFamily Medicine Physician1538101795

Verify Stephen F. Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00018575
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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103 family medicine physician records list a practice address in Puyallup

They are 103 of the 3,461 NPPES records with a practice address in Puyallup, and 5,534 family medicine physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other family medicine physician records in Washington

  1. Shawn Aaron, MDLongview, WA1578560710
  2. John Abano, M.D.Shoreline, WA1891929857
  3. Sarah Abbot, DOKirkland, WA1033555180
  4. Arthur Abbott, M.D.Seattle, WA1255488847
  5. Dale Abbott, MDBurlington, WA1760453534
  6. Michael Abbott, MDEast Wenatchee, WA1336179928
  7. Richard Abbott, M.D.Mount Vernon, WA1689835803
  8. Charlee Abboud, DOTacoma, WA1174152169
  9. Suad AbdelazizSeattle, WA1306423421
  10. Joonis Abdulkhader, M.D.Seattle, WA1518154335

Common questions

What is Stephen F. Duncan, M.D.'s NPI number?

Stephen F. Duncan, M.D.'s National Provider Identifier (NPI) is 1295892446, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen F. Duncan, M.D. located?

The NPPES record lists a practice address at 611 31St Ave SW, Puyallup, WA, 98373. Phone: (253) 445-7100. Providers update this record themselves, so call before visiting.

How can I verify Stephen F. Duncan, M.D.'s license?

NPPES lists Washington license number MD00018575, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.