Eileen H. Callahan, MD
Geriatric Medicine (Internal Medicine) Physician · New York, NY
Eileen H. Callahan, MD is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1396711776, issued on Feb 27, 2006. Check the license (New York 1981031, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Eileen H. Callahan
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 1981031 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1440 Madison Ave, New York, NY 10029
- Phone
- (212) 659-8552
- Enumerated
- Feb 27, 2006
- Record last updated
- Mar 26, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (212) 426-0349
- Medicaid ID
- 01740523 NY
- Medicare enrollment
- Enrolled (PECOS I20051117000963); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1440 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Chang, MDGeriatric Medicine (Internal Medicine) Physician1477529857
- Stephanie Chow, MDGeriatric Medicine (Family Medicine) Physician1346478518
- Audrey Chun, MDGeriatric Medicine (Internal Medicine) Physician1831166271
Verify Eileen H. Callahan 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 1981031Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,773 Medicare Part D claims for 350 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Sertraline Hcl170 claims
- Amlodipine Besylate153 claims
- Lisinopril123 claims
- Galantamine Er97 claims
- Losartan Potassium83 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
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
Other geriatric medicine (internal medicine) physician records in New York
- Saba Abolahrari, M.D.Mineola, NY1346483377
- Srinivasa Adapa, MDBronx, NY1083667935
- Ronald Adelman, MDNew York, NY1356438444
- Vivian Adeyemo, M.D.New Hyde Park, NY1316076508
- Bernadette Agard-Henriques, M.D.Flushing, NY1235214669
- Maysoon Agarib, MDBronx, NY1780047019
- Rohin Aggarwal, MDNew York, NY1386224103
- Judith Ahronheim, M.D.Brooklyn, NY1164481628
- Sudheer AkellaForest Hills, NY1396249116
- Mohammed Alam, M.D.Stony Brook, NY1730264441
Common questions
What is Eileen H. Callahan, MD's NPI number?
Eileen H. Callahan, MD's National Provider Identifier (NPI) is 1396711776, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eileen H. Callahan, MD located?
The NPPES record lists a practice address at 1440 Madison Ave, New York, NY, 10029. Phone: (212) 659-8552. Providers update this record themselves, so call before visiting.
How can I verify Eileen H. Callahan, MD's license?
NPPES lists New York license number 1981031, 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 Eileen H. Callahan, MD prescribe under Medicare Part D?
In 2024, Eileen H. Callahan, MD had 2,773 Medicare Part D claims for 350 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.