Mark Howard Duncan, MD
Psychiatry Physician · Seattle, WA
Mark Howard Duncan, MD is a psychiatry physician with a practice address in Seattle, Washington, and NPI 1871791913, issued on Jul 10, 2007. Check the license (Washington MD60101453, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark Howard Duncan
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD60101453 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4225 Roosevelt Way NE, Seattle, WA 98105
- Phone
- (206) 598-7792
- Enumerated
- Jul 10, 2007
- Record last updated
- Aug 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 1871791913 WA
- Medicare enrollment
- Enrolled (PECOS I20130522000383); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at 4225 Roosevelt Way NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Anderson, PA-CPhysician Assistant1427133768
- Jennifer Beach, PHARM.D.Pharmacotherapy Pharmacist1538126859
- Michele Bedard-Gilligan, PH.D.Clinical Psychologist1467748004
- Nadejda Bespalova, M.D.Psychiatry Physician1285012567
- Linda ChangMOHS-Micrographic Surgery Physician1427181536
Verify Mark Howard Duncan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60101453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average psychiatry physician in 2024
630 Medicare Part D claims for 34 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Clonazepam37 claims
- Lorazepam37 claims
- Quetiapine Fumarate33 claims
- Alprazolam32 claims
- Bupropion Xl31 claims
- Pregabalin26 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Howard Duncan among 1,195 psychiatry physician records in Washington
Mark Howard Duncan, MD is one of 1,195 psychiatry physician records with a practice address in Washington. 61% 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 43% of them.
- NPI issued2007 · 43% of these records are older, 40% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2006 · median 2007 among the 462 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
485 psychiatry physician records list a practice address in Seattle
They are 485 of the 41,956 NPPES records with a practice address in Seattle, and 1,195 psychiatry physician records in Washington.
All 1,195 in Washington → Every provider in Seattle → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Alexa Albert, MDSeattle, WA 981051689684193
- Kathleen Andersen, MDSeattle, WA 981051639205966
- Deborah CowleySeattle, WA 981051598841355
- Amanda Focht, MDSeattle, WA 981051215133392
- Robert Hilt, MDSeattle, WA 981051568420131
- Judith Kaplan, M.D.Seattle, WA 981051609054279
- Mitchell Levy, M.D.Seattle, WA 981051346326014
- Julie LordSeattle, WA 981051447330428
Common questions
What is Mark Howard Duncan, MD's NPI number?
Mark Howard Duncan, MD's National Provider Identifier (NPI) is 1871791913, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Howard Duncan, MD located?
The NPPES record lists a practice address at 4225 Roosevelt Way NE, Seattle, WA, 98105. Phone: (206) 598-7792. Providers update this record themselves, so call before visiting.
How can I verify Mark Howard Duncan, MD's license?
NPPES lists Washington license number MD60101453, 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 Mark Howard Duncan, MD prescribe under Medicare Part D?
In 2024, Mark Howard Duncan, MD had 630 Medicare Part D claims for 34 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mark Howard Duncan, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.