Tony Sun, MD, PHD
Internal Medicine Physician · Fairport, NY
Tony Sun, MD, PHD is an internal medicine physician with a practice address in Fairport, New York, and NPI 1245972330, issued on Apr 10, 2022. Check the license (New York 332093, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Tony Sun
- Credential
- MD, PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 332093 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Ayrault RD Ste 200, Fairport, NY 14450
- Phone
- (585) 602-2300
- Enumerated
- Apr 10, 2022
- Record last updated
- Aug 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250909000139); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 800 Ayrault RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Mason, MDInternal Medicine Physician1346277050
- Patrick Nunno, M.D.Internal Medicine Physician1972539351
Verify Tony Sun 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 332093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
613 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate49 claims
- Atorvastatin Calcium34 claims
- Gabapentin27 claims
- Chlorthalidone17 claims
- Metoprolol Succinate17 claims
- Alendronate Sodium16 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
- University OF RochesterFairport, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tony Sun among 12,067 internal medicine physician records in New York
Tony Sun, MD, PHD is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 internal medicine physician records list a practice address in Fairport
They are 15 of the 1,034 NPPES records with a practice address in Fairport, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Fairport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Bressler, M.D.Fairport, NY 144501447331855
- Mirabai Chockalingam, M.D.Fairport, NY 144501245263318
- Karen Chruscicki, MDFairport, NY 144501871523407
- Joyce Chu, M.D.Fairport, NY 144501851597942
- John Genier, M.D.Fairport, NY 144501811931900
- Ronald Guzman, MDFairport, NY 144501164563110
- Steven Howard, M.D.Fairport, NY 144501588610943
- Dewey Jackson, MDFairport, NY 144501659330108
Common questions
What is Tony Sun, MD, PHD's NPI number?
Tony Sun, MD, PHD's National Provider Identifier (NPI) is 1245972330, issued on Apr 10, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Tony Sun, MD, PHD located?
The NPPES record lists a practice address at 800 Ayrault RD Ste 200, Fairport, NY, 14450. Phone: (585) 602-2300. Providers update this record themselves, so call before visiting.
How can I verify Tony Sun, MD, PHD's license?
NPPES lists New York license number 332093, 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 Tony Sun, MD, PHD prescribe under Medicare Part D?
In 2024, Tony Sun, MD, PHD had 613 Medicare Part D claims for 86 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.