Stephen P. Sullivan, MD
Psychiatry Physician · Tarrytown, NY
Stephen P. Sullivan, MD is a psychiatry physician with a practice address in Tarrytown, New York, and NPI 1891738597, issued on Jun 13, 2006. Check the license (New York 219553, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Stephen P. Sullivan
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 219553 NY
Self-reported in NPPES; status is on the state search - Practice location
- 120 White Plains RD Ste 420, Tarrytown, NY 10591
- Phone
- (914) 909-5838
- Enumerated
- Jun 13, 2006
- Record last updated
- Oct 31, 2025
- Fax
- (914) 909-5840
- Medicaid ID
- 02328843 NY
- Medicare enrollment
- Enrolled (PECOS I20040714000780); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1997
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify Stephen P. Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 219553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average psychiatry physician in 2024
1,910 Medicare Part D claims for 163 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Clonazepam258 claims
- Escitalopram Oxalate179 claims
- Duloxetine Hcl128 claims
- Zolpidem Tartrate128 claims
- Bupropion Xl107 claims
- Quetiapine Fumarate84 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.
Industry payments in 2024: $20.34
1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Westchester Psychiatric Associates, PLLCTarrytown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen P. Sullivan among 6,589 psychiatry physician records in New York
Stephen P. Sullivan, MD 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1997 · median 2002 among the 2,559 with a school on file
- Record last updated2025 · 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).
8 psychiatry physician records list a practice address in Tarrytown
They are 8 of the 540 NPPES records with a practice address in Tarrytown, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Tarrytown → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Steven Bogen, M.D.Sleepy Hollow, NY 105911588715551
- Richard Brent, M.D.Sleepy Hollow, NY 105911760536635
- Bonita Chapman, M.D.Sleepy Hollow, NY 105911518020247
- Kaia Heimarck, M.D.Sleepy Hollow, NY 105911790903185
- Ruth Martin, M.D.Sleepy Hollow, NY 105911073663795
- Sheshakumari Murthy, MDTarrytown, NY 105911326175506
- Samad Namin, MDTarrytown, NY 105911548480577
- Gale Organist, M.D.Tarrytown, NY 105911235290032
Common questions
What is Stephen P. Sullivan, MD's NPI number?
Stephen P. Sullivan, MD's National Provider Identifier (NPI) is 1891738597, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen P. Sullivan, MD located?
The NPPES record lists a practice address at 120 White Plains RD Ste 420, Tarrytown, NY, 10591. Phone: (914) 909-5838. Providers update this record themselves, so call before visiting.
How can I verify Stephen P. Sullivan, MD's license?
NPPES lists New York license number 219553, 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 Stephen P. Sullivan, MD prescribe under Medicare Part D?
In 2024, Stephen P. Sullivan, MD had 1,910 Medicare Part D claims for 163 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.