Michael Sly, M.D.
Internal Medicine Physician · Lewiston, NY
Michael Sly, M.D. is an internal medicine physician with a practice address in Lewiston, New York, and NPI 1356723845, issued on Jun 22, 2015. Check the license (New York 297155, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Michael Sly
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 297155 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5300 Military RD, Lewiston, NY 14092
- Phone
- (716) 297-4800
- Enumerated
- Jun 22, 2015
- Record last updated
- Mar 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190129002728); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 5300 Military RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara Baker, FNPFamily Nurse Practitioner1700343936
- Sabrina Balcom, PT, DPTPhysical Therapist1255651451
- Chris Barone, PTPhysical Therapist1922328665
- Alfred Belen, MDPsychiatry Physician1386776847
Verify Michael Sly 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 297155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
476 Medicare Part D claims for 197 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Cefdinir48 claims
- Prednisone46 claims
- Albuterol Sulfate Hfa21 claims
- Jardiance20 claims
- Eliquis18 claims
- Metoprolol Succinate16 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
- Buffalo-Niagara Hospitalists LLCKenmore, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Sly among 12,067 internal medicine physician records in New York
Michael Sly, M.D. 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 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2002 among the 7,221 with a school on file
- Record last updated2019 · 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).
7 internal medicine physician records list a practice address in Lewiston
They are 7 of the 216 NPPES records with a practice address in Lewiston, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Lewiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ei Cho, M.B.,B.SLewiston, NY 140921962961045
- Robert Divencenzo, D.O.Lewiston, NY 140921467450833
- Yahya Hashmi, MDLewiston, NY 140921861433930
- Alberta Micale, MDLewiston, NY 140921780736884
- Samarth Patel, M.D.Lewiston, NY 140921083289599
- Philip Sauvageau, M.D.Lewiston, NY 140921609852714
- Edgar Bassig, MDLockport, NY 140941205891306
- Christopher Beney, MDLockport, NY 140941669492096
Common questions
What is Michael Sly, M.D.'s NPI number?
Michael Sly, M.D.'s National Provider Identifier (NPI) is 1356723845, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael Sly, M.D. located?
The NPPES record lists a practice address at 5300 Military RD, Lewiston, NY, 14092. Phone: (716) 297-4800. Providers update this record themselves, so call before visiting.
How can I verify Michael Sly, M.D.'s license?
NPPES lists New York license number 297155, 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 Michael Sly, M.D. prescribe under Medicare Part D?
In 2024, Michael Sly, M.D. had 476 Medicare Part D claims for 197 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.