Benjamin Biederman, MD
Gastroenterology Physician · Montclair, NJ
Benjamin Biederman, MD is a gastroenterology physician with a practice address in Montclair, New Jersey, and NPI 1518428069, issued on Mar 27, 2019. Check the license (New Jersey 25MA12785300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Benjamin Biederman
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 25MA12785300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 88 Park St, Montclair, NJ 07042
- Phone
- (201) 630-7638
- Enumerated
- Mar 27, 2019
- Record last updated
- Apr 27, 2026
- Fax
- (201) 630-7647
- Medicare enrollment
- Enrolled (PECOS I20250910004424); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2019
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 88 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rini Abraham, M.D.Gastroenterology Physician1285893321
- Jaclyn Friedman-Lombardo, PH.D.Psychologist1962416446
- Kathleen Halczli, M.A., L.P.C.Mental Health Counselor1952443368
- Stevette Heyliger, LPCProfessional Counselor1265770762
- Noelle Jensen, LCSWClinical Social Worker1518235324
- Sarah Karl, PH.D.Psychologist1871514695
Verify Benjamin Biederman 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 25MA12785300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
24 Medicare Part D claims for 16 beneficiaries, against an average of 811 among the 16,445 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.
Bills Medicare through one group practice
- Gastroenterology Associates OF New Jersey LLCMontclair, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Biederman among 735 gastroenterology physician records in New Jersey
Benjamin Biederman, MD is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.
- NPI issued2019 · 96% of these records are older, 1% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2019 · median 2000 among the 564 with a school on file
- Record last updated2026 · 54% 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 Jersey 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 Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Montclair → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Rini Abraham, M.D.Montclair, NJ 070421285893321
- Charles Goldberg, MDMontclair, NJ 070421164443958
- Yatinder Bains, M.D.Millburn, NJ 070411205908118
- Mahesh Desai, MDMillburn, NJ 070411366541690
- Michael Rosen, M.D, M.B.A.Millburn, NJ 070411730150632
- Mehul Shah, MDMillburn, NJ 070411427119247
- Rajender Arora, MDMaplewood, NJ 070401336279066
- Andrew Boxer, M.D.Verona, NJ 070441225294499
Common questions
What is Benjamin Biederman, MD's NPI number?
Benjamin Biederman, MD's National Provider Identifier (NPI) is 1518428069, issued on Mar 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Biederman, MD located?
The NPPES record lists a practice address at 88 Park St, Montclair, NJ, 07042. Phone: (201) 630-7638. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Biederman, MD's license?
NPPES lists New Jersey license number 25MA12785300, 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 Benjamin Biederman, MD prescribe under Medicare Part D?
In 2024, Benjamin Biederman, MD had 24 Medicare Part D claims for 16 beneficiaries; 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.