Bailey Alyss O'Donnell, MD
Internal Medicine Physician · Cooperstown, NY
Bailey Alyss O'Donnell, MD is an internal medicine physician with a practice address in Cooperstown, New York, and NPI 1134705536, issued on Mar 24, 2021. Check the license (New York 337913, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Bailey Alyss O'Donnell
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 337913 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Atwell RD, Cooperstown, NY 13326
- Phone
- (607) 547-3456
- Enumerated
- Mar 24, 2021
- Record last updated
- Oct 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20251021001749); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 1 Atwell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fady AbdelmalekPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1124750682
- Mohamud Abdi, MDStudent in an Organized Health Care Education/Training Program1164225678
- Liana Abduova, MDStudent in an Organized Health Care Education/Training Program1770474017
- Dawn Abounader Chase, RDRegistered Dietitian1356584122
- Gayle Abramson, M.D.Diagnostic Radiology Physician1578676680
- Rami Abu Sbeit, M.D.Ophthalmology Physician1558056531
Verify Bailey Alyss O'Donnell 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 337913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
115 Medicare Part D claims for 42 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Amlodipine Besylate14 claims
- Atorvastatin Calcium12 claims
- Omeprazole11 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
- Mary Imogene Bassett HospitalCooperstown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bailey Alyss O'Donnell among 12,067 internal medicine physician records in New York
Bailey Alyss O'Donnell, 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · 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).
61 internal medicine physician records list a practice address in Cooperstown
They are 61 of the 842 NPPES records with a practice address in Cooperstown, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Cooperstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marina Bravin, M.D.Cooperstown, NY 133261679538409
- James Dalton, M.D.Cooperstown, NY 133261184685406
- Brenda Davies-Wait, D.O.Cooperstown, NY 133261053372748
- Douglas Delong, M.D.Cooperstown, NY 133261679534390
- John Dier, M.D.Cooperstown, NY 133261063473775
- Peter Howard, M.D.Cooperstown, NY 133261972564698
- Bruce Kramer, M.D.Cooperstown, NY 133261861457475
- James Kruse, M.D.Cooperstown, NY 133261679538292
Common questions
What is Bailey Alyss O'Donnell, MD's NPI number?
Bailey Alyss O'Donnell, MD's National Provider Identifier (NPI) is 1134705536, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Bailey Alyss O'Donnell, MD located?
The NPPES record lists a practice address at 1 Atwell RD, Cooperstown, NY, 13326. Phone: (607) 547-3456. Providers update this record themselves, so call before visiting.
How can I verify Bailey Alyss O'Donnell, MD's license?
NPPES lists New York license number 337913, 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 Bailey Alyss O'Donnell, MD prescribe under Medicare Part D?
In 2024, Bailey Alyss O'Donnell, MD had 115 Medicare Part D claims for 42 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.