Martin Klein, MD
Family Medicine Physician · Flemington, NJ
Martin Klein, MD is a family medicine physician with a practice address in Flemington, New Jersey, and NPI 1235209560, issued on Nov 8, 2006. Check the license (New Jersey 25MA07294900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Martin Klein
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MA07294900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 4 Thames LN, Flemington, NJ 08822
- Phone
- (908) 246-3227
- Enumerated
- Nov 8, 2006
- Record last updated
- Dec 7, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,770 in New Jersey → Look up another NPI →
Verify Martin Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA07294900Check 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 family medicine physician in 2024
132 Medicare Part D claims for 25 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ezetimibe25 claims
- Rosuvastatin Calcium18 claims
- Metformin Hcl15 claims
- Omeprazole14 claims
- Chlorhexidine Gluconate13 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 Klein among 2,770 family medicine physician records in New Jersey
Martin Klein, MD is one of 2,770 family medicine physician records with a practice address in New Jersey. 82% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 family medicine physician records list a practice address in Flemington
They are 43 of the 978 NPPES records with a practice address in Flemington, and 2,770 family medicine physician records in New Jersey.
All 2,770 in New Jersey → Every provider in Flemington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Amy Bretan, MDFlemington, NJ 088221588696728
- Robert Coates, MDFlemington, NJ 088221740254994
- Jean Golden-Tevald, DOFlemington, NJ 088221184608853
- Petra Hoette, M.D.Flemington, NJ 088221841283298
- Randy Klein, M.D.Flemington, NJ 088221265549042
- Dario Lecusay, MDFlemington, NJ 088221235103318
- Mary Lewis, M.D.Flemington, NJ 088221801879275
- Ira Liebross, MDFlemington, NJ 088221457359713
Common questions
What is Martin Klein, MD's NPI number?
Martin Klein, MD's National Provider Identifier (NPI) is 1235209560, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin Klein, MD located?
The NPPES record lists a practice address at 4 Thames LN, Flemington, NJ, 08822. Phone: (908) 246-3227. Providers update this record themselves, so call before visiting.
How can I verify Martin Klein, MD's license?
NPPES lists New Jersey license number 25MA07294900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martin Klein, MD prescribe under Medicare Part D?
In 2024, Martin Klein, MD had 132 Medicare Part D claims for 25 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.