Mark B. Snowden
Psychiatry Physician · Seattle, WA
Mark B. Snowden is a psychiatry physician with a practice address in Seattle, Washington, and NPI 1376623272, issued on Oct 16, 2006. Check the license (Washington MD00029944, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark B. Snowden
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD00029944 WA
Self-reported in NPPES; status is on the state search - Practice location
- Harborview Medical Center, Seattle, WA 98104
- Phone
- (206) 731-3000
- Enumerated
- Oct 16, 2006
- Record last updated
- Jan 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1376623272 WA
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at Harborview Medical Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily AlbrechtPhysician Assistant1871679688
- Jordan Allen, RRTCritical Care Registered Respiratory Therapist1750270922
- David AveryPsychiatry Physician1548349293
- David BareiOrthopaedic Trauma Physician1316023112
- Scott Barnhart, MDPulmonary Disease Physician1134205933
- Kyra BeckerNeurology Physician1902985666
Verify Mark B. Snowden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00029944Check 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% fewer Medicare Part D claims than the average psychiatry physician in 2024
102 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Quetiapine Fumarate15 claims
- Trazodone Hcl13 claims
- Olanzapine11 claims
- Venlafaxine Hcl Er11 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).
Mark B. Snowden among 1,195 psychiatry physician records in Washington
Mark B. Snowden 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2012 · 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
- Neeru Bakshi, MDSeattle, WA 981041114018991
- Janet Berg, MDSeattle, WA 981041306804885
- Tawnya Christiansen, M.D.Seattle, WA 981041376556894
- Carmen Croicu, MDSeattle, WA 981041518993856
- Dorcas Dobie, M.D.Seattle, WA 981041437258415
- Sharon Farmer, MDSeattle, WA 981041144265125
- Shyam Gupta, MDSeattle, WA 981041205818598
- John Hamm, MDSeattle, WA 981041871565168
Common questions
What is Mark B. Snowden's NPI number?
Mark B. Snowden's National Provider Identifier (NPI) is 1376623272, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark B. Snowden located?
The NPPES record lists a practice address at Harborview Medical Center, Seattle, WA, 98104. Phone: (206) 731-3000. Providers update this record themselves, so call before visiting.
How can I verify Mark B. Snowden's license?
NPPES lists Washington license number MD00029944, 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 B. Snowden prescribe under Medicare Part D?
In 2024, Mark B. Snowden had 102 Medicare Part D claims for 23 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mark B. Snowden'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.