NPPES file of Aug 9, 2026

Allison Duncan, M.D.

Obstetrics & Gynecology Physician · Vancouver, WA

Allison Duncan, M.D. is an obstetrics & gynecology physician with a practice address in Vancouver, Washington, and NPI 1306886551, issued on Jun 7, 2006. Check the license (Washington MD00042235, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306886551
Name
Allison Duncan
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
MD00042235 WA
Self-reported in NPPES; status is on the state search
Practice location
700 NE 87TH Ave, Vancouver, WA 98664
Phone
(360) 254-1240
Enumerated
Jun 7, 2006
Record last updated
Dec 27, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(360) 397-3128
Medicaid ID
8371221 WA
Medicare enrollment
Enrolled (PECOS I20031230000318); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 700 NE 87TH Ave

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

  1. Kathleen Adkison, DNP-FNPFamily Nurse Practitioner1043160500
  2. Kirstie Anderson, D.P.T.Physical Therapist1023486396
  3. Lauren Andronici, CNMAdvanced Practice Midwife1356396709
  4. Susan Arnold-Edgar, PA-CPhysician Assistant1023057817
  5. Vincent Au, M.D.Internal Medicine Physician1104112051
  6. Jennifer Austin, MDPediatrics Physician1326087503

Verify Allison Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00042235
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

47% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

88 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Allison Duncan88
  2. Specialty average165

Most prescribed

  1. Estradiol23 claims
  2. Medroxyprogesterone Acetate12 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

  1. The Vancouver Clinic Inc PSVancouver, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Allison Duncan among 1,038 obstetrics & gynecology physician records in Washington

Allison Duncan, M.D. is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 52% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1999 · median 2007 among the 582 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Washington

There are 1,038 obstetrics & gynecology physician records in Washington.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Carol Bunten, MDVancouver, WA 986641205881539
  2. William Cely, M.D.Vancouver, WA 986641538162615
  3. Michelle De Geest, MDVancouver, WA 986641053308627
  4. Wendy Draper, MDVancouver, WA 986641851347967
  5. Michael Farber, MDVancouver, WA 986641982684288
  6. Colleen Fox, MDVancouver, WA 986641366422651
  7. Yvonne Frei, M.D.Vancouver, WA 986641366499493
  8. Margaret Griffith, MDVancouver, WA 986641881674174

Common questions

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

Allison Duncan, M.D.'s National Provider Identifier (NPI) is 1306886551, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allison Duncan, M.D. located?

The NPPES record lists a practice address at 700 NE 87TH Ave, Vancouver, WA, 98664. Phone: (360) 254-1240. Providers update this record themselves, so call before visiting.

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

NPPES lists Washington license number MD00042235, 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 Allison Duncan, M.D. prescribe under Medicare Part D?

In 2024, Allison Duncan, M.D. had 88 Medicare Part D claims for 35 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.