Nathaniel S. Baer, MD
Internal Medicine Physician · Vestal, NY
Nathaniel S. Baer, MD is an internal medicine physician with a practice address in Vestal, New York, and NPI 1386987030, issued on Apr 1, 2013. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nathaniel S. Baer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 60666892 WA
MD176800 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4433 Vestal Pkwy E, Vestal, NY 13850
- Phone
- (607) 771-2220
- Enumerated
- Apr 1, 2013
- Record last updated
- Sep 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20160927000253); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 4433 Vestal Pkwy E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Ashton, MDStudent in an Organized Health Care Education/Training Program1649910688
- Jacob AurelioPhysical Therapist1356277024
- Jeffrey Avery, PAC, MPASPhysician Assistant1508835992
- Colleen BarthePhysician Assistant1649133505
- Gregory Baxter, PT, DPTPhysical Therapist1497131684
- Karyssa Bowron, MDSports Medicine (Family Medicine) Physician1417515537
Verify Nathaniel S. Baer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
27 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel S. Baer among 12,067 internal medicine physician records in New York
Nathaniel S. Baer, MD 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · 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).
17 internal medicine physician records list a practice address in Vestal
They are 17 of the 613 NPPES records with a practice address in Vestal, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Vestal → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yasir Ahmed, MDVestal, NY 138501326562299
- Mario Capparuccini, M.D.Vestal, NY 138501063511483
- Monika Freeland, M.D.Vestal, NY 138501275089898
- Kevin GallagherVestal, NY 138501003817057
- Alvin Greenberg, M.D.Vestal, NY 138501215011697
- Osnel Hernandez, MDVestal, NY 138501447635081
- Shabana Jamil, MDVestal, NY 138501518031848
- Louis Mateya, MDVestal, NY 138501598766065
Common questions
What is Nathaniel S. Baer, MD's NPI number?
Nathaniel S. Baer, MD's National Provider Identifier (NPI) is 1386987030, issued on Apr 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel S. Baer, MD located?
The NPPES record lists a practice address at 4433 Vestal Pkwy E, Vestal, NY, 13850. Phone: (607) 771-2220. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel S. Baer, MD's license?
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 Nathaniel S. Baer, MD prescribe under Medicare Part D?
In 2024, Nathaniel S. Baer, MD had 27 Medicare Part D claims for 18 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.