NPPES file of Aug 9, 2026

Randy S. Klein, M.D.

Family Medicine Physician · Flemington, NJ

Randy S. Klein, M.D. is a family medicine physician with a practice address in Flemington, New Jersey, and NPI 1265549042, issued on Aug 25, 2006. Check the license (New Jersey 25MAO4454700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265549042
Name
Randy S. Klein
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
25MAO4454700 NJ
Self-reported in NPPES; status is on the state search
Practice location
149M Highway 31, Flemington, NJ 08822
Phone
(908) 782-7700
Enumerated
Aug 25, 2006
Record last updated
Sep 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(908) 782-3644
Medicare enrollment
Enrolled (PECOS I20100907000578); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 149M Highway 31

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erica Gilroy, PA-CPhysician Assistant1568899250

Verify Randy S. Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MAO4454700
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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20% fewer Medicare Part D claims than the average family medicine physician in 2024

2,825 Medicare Part D claims for 384 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 92 claims were for opioids.

  1. Randy Klein2,825
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium152 claims
  2. Levothyroxine Sodium118 claims
  3. Lisinopril92 claims
  4. Metoprolol Succinate91 claims
  5. Rosuvastatin Calcium86 claims
  6. Metformin Hcl82 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 89.8 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.

  1. Qualityout of 100 · 30% of the final score83.7
  2. Costout of 100 · 30%87.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $103.70

7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Randy Klein$103.70
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Doctor IS IN, PAClinton, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Randy S. Klein among 2,770 family medicine physician records in New Jersey

Randy S. Klein, M.D. 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 fileYes · 68% of these records are
  • Graduated1983 · median 2006 among the 1,875 with a school on file
  • Record last updated2020 · 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Amy Bretan, MDFlemington, NJ 088221588696728
  2. Robert Coates, MDFlemington, NJ 088221740254994
  3. Jean Golden-Tevald, DOFlemington, NJ 088221184608853
  4. Petra Hoette, M.D.Flemington, NJ 088221841283298
  5. Dario Lecusay, MDFlemington, NJ 088221235103318
  6. Mary Lewis, M.D.Flemington, NJ 088221801879275
  7. Ira Liebross, MDFlemington, NJ 088221457359713
  8. Lide Liu, M.D.Flemington, NJ 088221841224755

Common questions

What is Randy S. Klein, M.D.'s NPI number?

Randy S. Klein, M.D.'s National Provider Identifier (NPI) is 1265549042, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Randy S. Klein, M.D. located?

The NPPES record lists a practice address at 149M Highway 31, Flemington, NJ, 08822. Phone: (908) 782-7700. Providers update this record themselves, so call before visiting.

How can I verify Randy S. Klein, M.D.'s license?

NPPES lists New Jersey license number 25MAO4454700, 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 Randy S. Klein, M.D. prescribe under Medicare Part D?

In 2024, Randy S. Klein, M.D. had 2,825 Medicare Part D claims for 384 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Randy S. Klein, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.8 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.