NPPES file of Aug 9, 2026

Nathaniel D. Bayer, M.D.

Hospitalist Physician · Rochester, NY

Nathaniel D. Bayer, M.D. is a hospitalist physician with a practice address in Rochester, New York, and NPI 1508246265, issued on Jun 8, 2015. Check the license (New York 292895, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508246265
Name
Nathaniel D. Bayer
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
292895 NY
MT208119 PA
Self-reported in NPPES; status is on the state search
Practice location
601 Elmwood Ave, Rochester, NY 14642
Phone
(585) 276-4113
Enumerated
Jun 8, 2015
Record last updated
Jun 30, 2023
Fax
(585) 461-1231
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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8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →

Also registered at 601 Elmwood Ave

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

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  4. Cameron Abbey-Mott, PHARMDSolid Organ Transplant Pharmacist1124953625
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  6. Maisa Abdalla, M.D.Gastroenterology Physician1669645222

Verify Nathaniel D. Bayer 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 292895    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.

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Nathaniel D. Bayer among 2,067 hospitalist physician records in New York

Nathaniel D. Bayer, M.D. is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 48% of them.

  • NPI issued2015 · 48% of these records are older, 47% newer
  • In a Medicare fileNo · 93% of these records are
  • In the CMS Doctors and Clinicians fileNo · 83% of these records are
  • Record last updated2023 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

265 hospitalist physician records list a practice address in Rochester

They are 265 of the 20,520 NPPES records with a practice address in Rochester, and 2,067 hospitalist physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,067 in New York → Every provider in Rochester → Hospitalist Physician nationwide →

The 8 hospitalist physician records with the nearest ZIP codes

  1. Yousaf Ali, MDRochester, NY 146421225053515
  2. Justin Hopkin, MDRochester, NY 146421972640225
  3. Valerie Lang, MDRochester, NY 146421508881897
  4. Ahmad Manasra, M.D.Rochester, NY 146421871785055
  5. Keon Menzies, MDRochester, NY 146421902901606
  6. Lijun Mi, MDRochester, NY 146421013940527
  7. Clelia Negrini, MDRochester, NY 146421972540151
  8. William Novak, MDRochester, NY 146421366486037

Common questions

What is Nathaniel D. Bayer, M.D.'s NPI number?

Nathaniel D. Bayer, M.D.'s National Provider Identifier (NPI) is 1508246265, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel D. Bayer, M.D. located?

The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 276-4113. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel D. Bayer, M.D.'s license?

NPPES lists New York license number 292895, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.