Martin H. Klahr, M.D.
Gastroenterology Physician · Staten Island, NY
Martin H. Klahr, M.D. is a gastroenterology physician with a practice address in Staten Island, New York, and NPI 1407927858, issued on Nov 9, 2006. Check the license (New York 165585, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Martin H. Klahr
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 165585 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2026 Richmond RD, Staten Island, NY 10306
- Phone
- (718) 667-9000
- Enumerated
- Nov 9, 2006
- Record last updated
- Dec 30, 2024
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 2026 Richmond RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Azzarelli, NPPediatric Nurse Practitioner1568082196
Verify Martin H. Klahr 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 165585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average gastroenterology physician in 2024
68 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of 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.
Martin H. Klahr among 1,797 gastroenterology physician records in New York
Martin H. Klahr, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Staten Island → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Joseph Aboujaoude, M.D.Staten Island, NY 103061750375416
- Alex Bruckstein, MDStaten Island, NY 103061114971835
- Lawrence Langan, DOStaten Island, NY 103061053391482
- Lawrence Mancino, DOStaten Island, NY 103061083685994
- Daniel Megna, MDStaten Island, NY 103061235119660
- Vincent Sottile, MDStaten Island, NY 103061790765493
- Mira AlsheikhStaten Island, NY 103051932620358
- Sherif Andrawes, MDStaten Island, NY 103051477708717
Common questions
What is Martin H. Klahr, M.D.'s NPI number?
Martin H. Klahr, M.D.'s National Provider Identifier (NPI) is 1407927858, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin H. Klahr, M.D. located?
The NPPES record lists a practice address at 2026 Richmond RD, Staten Island, NY, 10306. Phone: (718) 667-9000. Providers update this record themselves, so call before visiting.
How can I verify Martin H. Klahr, M.D.'s license?
NPPES lists New York license number 165585, 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 Martin H. Klahr, M.D. prescribe under Medicare Part D?
In 2024, Martin H. Klahr, M.D. had 68 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.