Registry data as of Aug 27, 2026

Timothy Gandolfo, DO

Family Medicine Physician · Stony Brook, NY

Timothy Gandolfo, DO is a family medicine physician with a practice address in Stony Brook, New York, and NPI 1891375671, issued on Apr 14, 2021. Check the license (New York 330997, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891375671
Name
Timothy Gandolfo
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
330997 NY
Self-reported in NPPES; status is on the state search
Practice location
101 County RD 97, Stony Brook, NY 11794
Phone
(631) 689-8333
Enumerated
Apr 14, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 101 County RD 97

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

  1. Mark AbdurakhmanovStudent in an Organized Health Care Education/Training Program1265370076
  2. Rosh BharthiStudent in an Organized Health Care Education/Training Program1275426330
  3. Robert Bhatia, DOStudent in an Organized Health Care Education/Training Program1366238172
  4. John Cerjak, MDStudent in an Organized Health Care Education/Training Program1760324974
  5. Sasrika De Silva, DOStudent in an Organized Health Care Education/Training Program1790625762
  6. Tasiyah Essop, MDStudent in an Organized Health Care Education/Training Program1164360939

Verify Timothy Gandolfo 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 330997
    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.

69% fewer Medicare Part D claims than the average family medicine physician in 2024

1,097 Medicare Part D claims for 293 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Timothy Gandolfo1,097
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium95 claims
  2. Levothyroxine Sodium62 claims
  3. Amlodipine Besylate53 claims
  4. Metoprolol Succinate47 claims
  5. Simvastatin34 claims
  6. Gabapentin32 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.

26 family medicine physician records list a Stony Brook practice address

They are 26 of the 3,053 NPPES records with a Stony Brook practice address, and 6,002 family medicine physician records in New York.

Other family medicine physician records in New York

  1. Stuart Aaronson, M.D.New York, NY1336513100
  2. Amarachi Abara, MDBronx, NY1780206078
  3. Sharon Abara-Palaganas, MDBrooklyn, NY1952529158
  4. Mary Claire Abbot, MDNew York, NY1215322383
  5. Heather Abdalla, FNP-CHorseheads, NY1164076907
  6. Higer Abdallah, NPPatchogue, NY1528662400
  7. Aya Abdelfattah, MBBCH, MPHSchenectady, NY1821676206
  8. Basil Abdeljaber, M.D.White Plains, NY1831354323
  9. Sarah Abdelsayed, MDBuffalo, NY1093065138
  10. Mays Abdulazeez, MDSchenectady, NY1255917662

Common questions

What is Timothy Gandolfo, DO's NPI number?

Timothy Gandolfo, DO's National Provider Identifier (NPI) is 1891375671, issued on Apr 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Gandolfo, DO located?

The NPPES record lists a practice address at 101 County RD 97, Stony Brook, NY, 11794. Phone: (631) 689-8333. Providers update this record themselves, so call before visiting.

How can I verify Timothy Gandolfo, DO's license?

NPPES lists New York license number 330997, 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 Gandolfo, DO prescribe under Medicare Part D?

In 2024, Timothy Gandolfo, DO had 1,097 Medicare Part D claims for 293 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.