Mark Daniel Sullivan
Psychiatry Physician · Seattle, WA
Mark Daniel Sullivan is a psychiatry physician with a practice address in Seattle, Washington, and NPI 1639269590, issued on Oct 13, 2006. Check the license (Washington MD00023050, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark Daniel Sullivan
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD00023050 WA
Self-reported in NPPES; status is on the state search - Practice location
- University OF Washington Medical Ctr, Seattle, WA 98195
- Phone
- (206) 598-4282
- Enumerated
- Oct 13, 2006
- Record last updated
- Feb 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 1639269590 WA
- Medicare enrollment
- Enrolled (PECOS I20100923000822); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at University OF Washington Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Daniel Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00023050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average psychiatry physician in 2024
346 Medicare Part D claims for 43 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
- Prazosin Hcl55 claims
- Bupropion Xl53 claims
- Duloxetine Hcl41 claims
- Mirtazapine27 claims
- Trazodone Hcl21 claims
- Nortriptyline Hcl20 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 Daniel Sullivan among 1,195 psychiatry physician records in Washington
Mark Daniel Sullivan 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 fileYes · 39% of these records are
- Graduated1984 · 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
- Brian Allender, MDSeattle, WA 981951982614434
- James Basinski, MDSeattle, WA 981951639181878
- Amy Bauer, M.D.Seattle, WA 981951346356110
- Paul Borghesani, M.D.-PH.D.Seattle, WA 981951265461701
- Jennifer Braden, MDSeattle, WA 981951437262268
- Ryan Caldeiro, MDSeattle, WA 981951902919731
- Thomas Carollo, MDSeattle, WA 981951235243403
- Lydia Chwastiak, MDSeattle, WA 981951972592731
Common questions
What is Mark Daniel Sullivan's NPI number?
Mark Daniel Sullivan's National Provider Identifier (NPI) is 1639269590, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Daniel Sullivan located?
The NPPES record lists a practice address at University OF Washington Medical Ctr, Seattle, WA, 98195. Phone: (206) 598-4282. Providers update this record themselves, so call before visiting.
How can I verify Mark Daniel Sullivan's license?
NPPES lists Washington license number MD00023050, 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 Daniel Sullivan prescribe under Medicare Part D?
In 2024, Mark Daniel Sullivan had 346 Medicare Part D claims for 43 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mark Daniel Sullivan'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.