Koshy Alexander, M.D.
Geriatric Medicine (Internal Medicine) Physician · New York, NY
Koshy Alexander, M.D. is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1922190602, issued on Sep 29, 2006. Check the license (New York 221437, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Koshy Alexander
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 221437 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-2000
- Enumerated
- Sep 29, 2006
- Record last updated
- Jan 20, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 02522989 NY
- Medicare enrollment
- Enrolled (PECOS I20040407001212); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 508 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nivedita Aanur, M.D.Internal Medicine Physician1982833471
- Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
- Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
- Gina Abdulahad, PA-CPhysician Assistant1174027064
- Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
- Lincy Abraham, NPPediatric Nurse Practitioner1295003739
Verify Koshy Alexander 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 221437Check 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 geriatric medicine (internal medicine) physician in 2024
30 Medicare Part D claims for 15 beneficiaries, against an average of 4,246 among the 3,116 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Memorial Medical Consultation GroupNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Koshy Alexander among 508 geriatric medicine (internal medicine) physician records in New York
Koshy Alexander, M.D. is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1998 · median 1998 among the 272 with a school on file
- Record last updated2014 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New York
There are 508 geriatric medicine (internal medicine) physician records in New York.
All 508 in New York → Every provider in New York → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Ronald Adelman, MDNew York, NY 100651356438444
- Randi Diamond, M.D.New York, NY 100651700946472
- Elizabeth Doll, MDNew York, NY 100651265174718
- Emily Fessler, MDNew York, NY 100651821450552
- Emily Finkelstein, MDNew York, NY 100651508023573
- Alexander JordanNew York, NY 100651871121715
- Franklin Marsh, M.D.New York, NY 100651376622183
- Veerawat Phongtankuel, M.D.New York, NY 100651841426715
Common questions
What is Koshy Alexander, M.D.'s NPI number?
Koshy Alexander, M.D.'s National Provider Identifier (NPI) is 1922190602, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Koshy Alexander, M.D. located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.
How can I verify Koshy Alexander, M.D.'s license?
NPPES lists New York license number 221437, 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 Koshy Alexander, M.D. prescribe under Medicare Part D?
In 2024, Koshy Alexander, M.D. had 30 Medicare Part D claims for 15 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Koshy Alexander, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.