NPPES file of Aug 9, 2026

Mark Sullivan, M.D.

Psychiatry Physician · New York, NY

Mark Sullivan, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1386098762, issued on Apr 21, 2016. Check the license (New York 290047, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1386098762
Name
Mark Sullivan
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
290047 NY
Self-reported in NPPES; status is on the state search
Practice location
525 E 68TH St, New York, NY 10065
Phone
(888) 694-5700
Enumerated
Apr 21, 2016
Record last updated
Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200312000625); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2016
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.
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Also registered at 525 E 68TH St

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

  1. Miseker Abate, MD, MPHStudent in an Organized Health Care Education/Training Program1619430436
  2. Assem Abdel Latif, M.D.Neurological Surgery Physician1215345525
  3. Ahmed Abdelrahman, MDPsychiatry Physician1497288682
  4. Hossam Abdou, M.D.Surgery Physician1093247975
  5. Ummesalmah Abdulbaseer, MDInternal Medicine Physician1477247336
  6. Jonathan AbelsonColon & Rectal Surgery Physician1932465077

Verify Mark Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 290047
    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 New York 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.

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97% fewer Medicare Part D claims than the average psychiatry physician in 2024

30 Medicare Part D claims for 11 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.

  1. Mark Sullivan30
  2. Specialty average1,000

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. Weill Medical College OF CornellNew York, NY

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

Mark Sullivan among 6,589 psychiatry physician records in New York

Mark Sullivan, M.D. is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 39% of these records are
  • Graduated2016 · median 2002 among the 2,559 with a school on file
  • Record last updated2020 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,604 psychiatry physician records list a practice address in New York

They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Philip Bialer, M.D.New York, NY 100651851461198
  2. Susan Evans, PHDNew York, NY 100651093803371
  3. David Forrest, MDNew York, NY 100651174617427
  4. Nisba Husain, M.D.New York, NY 100651801003256
  5. Naghma Ismi, M.D.New York, NY 100651063556751
  6. James Kocsis, MDNew York, NY 100651013005396
  7. Bruce Leuchter, M.D.New York, NY 100651174587166
  8. Marlin Mattson, MDNew York, NY 100651205924578

Common questions

What is Mark Sullivan, M.D.'s NPI number?

Mark Sullivan, M.D.'s National Provider Identifier (NPI) is 1386098762, issued on Apr 21, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Mark Sullivan, M.D. located?

The NPPES record lists a practice address at 525 E 68TH St, New York, NY, 10065. Phone: (888) 694-5700. Providers update this record themselves, so call before visiting.

How can I verify Mark Sullivan, M.D.'s license?

NPPES lists New York license number 290047, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Sullivan, M.D. prescribe under Medicare Part D?

In 2024, Mark Sullivan, M.D. had 30 Medicare Part D claims for 11 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.