Christopher W. Duncan, M.D.
Gastroenterology Physician · Burien, WA
Christopher W. Duncan, M.D. is a gastroenterology physician with a practice address in Burien, Washington, and NPI 1164457974, issued on Jul 11, 2006. Check the license (Washington MD00047577, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Christopher W. Duncan
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00047577 WA
Self-reported in NPPES; status is on the state search - Practice location
- 16233 Sylvester RD SW, Burien, WA 98166
- Phone
- (206) 431-9771
- Enumerated
- Jul 11, 2006
- Record last updated
- Apr 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (206) 431-5484
- Medicaid ID
- 1123967 WA
- Medicare enrollment
- Enrolled (PECOS I20070430000480); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 16233 Sylvester RD SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew ChristiansonOncology Pharmacist1083861199
- Malia Cranmer, MD, MPHPediatrics Physician1699979468
- Janet Donovan, MDFamily Medicine Physician1497795405
- William Hammond, MDMedical Oncology Physician1740277219
- Peter Hartwell, M.D.Gastroenterology Physician1750379004
- Edward Hartzler, MDFamily Medicine Physician1609809748
Verify Christopher W. Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00047577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average gastroenterology physician in 2024
1,539 Medicare Part D claims for 610 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Omeprazole180 claims
- Famotidine177 claims
- Gavilyte-G137 claims
- Pantoprazole Sodium136 claims
- Peg-3350 And Electrolytes113 claims
- Creon91 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
- Franciscan Medical GroupTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher W. Duncan among 533 gastroenterology physician records in Washington
Christopher W. Duncan, M.D. is one of 533 gastroenterology physician records with a practice address in Washington. 76% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2001 · median 2003 among the 373 with a school on file
- Record last updated2008 · 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 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Burien → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Daniel Bushyhead, MDBurien, WA 981661639589781
- Samantha Chung, M.D.Burien, WA 981661851826184
- Peter Hartwell, M.D.Burien, WA 981661750379004
- Pierre Nader, MDBurien, WA 981661962494898
- Richard Stein, M.D.Burien, WA 981661508854696
- Renuka Bhattacharya, MDSeattle, WA 981951932197902
- Elizabeth Broussard, M.D.Seattle, WA 981951669419495
- Rotonya Carr, MDSeattle, WA 981951154309540
Common questions
What is Christopher W. Duncan, M.D.'s NPI number?
Christopher W. Duncan, M.D.'s National Provider Identifier (NPI) is 1164457974, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher W. Duncan, M.D. located?
The NPPES record lists a practice address at 16233 Sylvester RD SW, Burien, WA, 98166. Phone: (206) 431-9771. Providers update this record themselves, so call before visiting.
How can I verify Christopher W. Duncan, M.D.'s license?
NPPES lists Washington license number MD00047577, 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 Christopher W. Duncan, M.D. prescribe under Medicare Part D?
In 2024, Christopher W. Duncan, M.D. had 1,539 Medicare Part D claims for 610 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.