Timothy Sullivan, M.D.
Infectious Disease Physician · New York, NY
Timothy Sullivan, M.D. is an infectious disease physician with a practice address in New York, New York, and NPI 1811139702, issued on Mar 24, 2009. Check the license (New York 261988, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Timothy Sullivan
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 261988 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Gustave L Levy PL, New York, NY 10029
- Phone
- (212) 241-6741
- Enumerated
- Mar 24, 2009
- Record last updated
- Mar 6, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140703000465); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 1 Gustave L Levy PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lila Abassi, M.D.Hospitalist Physician1871886606
- Erin AbbottStudent in an Organized Health Care Education/Training Program1699587170
- Ghadi AbboudDiagnostic Radiology Physician1740936822
- Richard Abel, M.D.Anesthesiology Physician1508148016
- Jessica Ables, M.D., PH.D.Psychiatry Physician1437543352
- Grant AbrahamsonStudent in an Organized Health Care Education/Training Program1194512590
Verify Timothy 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 261988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average infectious disease physician in 2024
83 Medicare Part D claims for 29 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Rifampin13 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Sullivan among 970 infectious disease physician records in New York
Timothy Sullivan, M.D. is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2002 among the 624 with a school on file
- Record last updated2019 · 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 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in New York → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Daniel Caplivski, MDNew York, NY 100291649298480
- Alan Cohen, MDNew York, NY 100291326062753
- Simon Daefler, MDNew York, NY 100291750309563
- Stephanie Factor, MDNew York, NY 100291225045958
- Daniel Fierer, MDNew York, NY 100291649298472
- Michael Gaisa, M.D.New York, NY 100291295757797
- Shirish Huprikar, MDNew York, NY 100291235168063
- Abdul-Haki Issah, M.D.New York, NY 100291770684920
Common questions
What is Timothy Sullivan, M.D.'s NPI number?
Timothy Sullivan, M.D.'s National Provider Identifier (NPI) is 1811139702, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Sullivan, M.D. located?
The NPPES record lists a practice address at 1 Gustave L Levy PL, New York, NY, 10029. Phone: (212) 241-6741. Providers update this record themselves, so call before visiting.
How can I verify Timothy Sullivan, M.D.'s license?
NPPES lists New York license number 261988, 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 Timothy Sullivan, M.D. prescribe under Medicare Part D?
In 2024, Timothy Sullivan, M.D. had 83 Medicare Part D claims for 29 beneficiaries; the average among infectious disease physician prescribers was 689. 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.