Cale O'Keeffe, M.D.
Internal Medicine Physician · Buffalo, NY
Cale O'Keeffe, M.D. is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1235586553, issued on May 17, 2016. Check the license (New York 302110, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Cale O'Keeffe
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 302110 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 Grider St David K Miller Building, Buffalo, NY 14215
- Phone
- (716) 898-3897
- Enumerated
- May 17, 2016
- Record last updated
- Jul 30, 2025
- Fax
- (716) 898-3279
- Medicare enrollment
- Enrolled (PECOS I20200103001642); 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 462 Grider St David K Miller Building
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Perras, M.D.Student in an Organized Health Care Education/Training Program1033567532
Verify Cale O'Keeffe 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 302110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
157 Medicare Part D claims for 67 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium36 claims
- Clopidogrel15 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 2 group practices
- Academic Medicine Services, Inc.Buffalo, NY
- Apogee Medical Group, New York, PCWarsaw, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cale O'Keeffe among 12,067 internal medicine physician records in New York
Cale O'Keeffe, 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 20% 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 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).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Nancy Peters, MDBuffalo, NY 142151932137122
Common questions
What is Cale O'Keeffe, M.D.'s NPI number?
Cale O'Keeffe, M.D.'s National Provider Identifier (NPI) is 1235586553, issued on May 17, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Cale O'Keeffe, M.D. located?
The NPPES record lists a practice address at 462 Grider St David K Miller Building, Buffalo, NY, 14215. Phone: (716) 898-3897. Providers update this record themselves, so call before visiting.
How can I verify Cale O'Keeffe, M.D.'s license?
NPPES lists New York license number 302110, 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 Cale O'Keeffe, M.D. prescribe under Medicare Part D?
In 2024, Cale O'Keeffe, M.D. had 157 Medicare Part D claims for 67 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.