NPPES file of Aug 9, 2026

Marc Mayer, D.O.

Family Medicine Physician · Iselin, NJ

Marc Mayer, D.O. is a family medicine physician with a practice address in Iselin, New Jersey, and NPI 1720083132, issued on Jun 14, 2005. Check the license (New Jersey MB44619, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720083132
Name
Marc Mayer
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MB44619 NJ
Self-reported in NPPES; status is on the state search
Practice location
400 Gill LN, Iselin, NJ 08830
Phone
(732) 404-1580
Enumerated
Jun 14, 2005
Record last updated
Mar 18, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(732) 404-1594
Medicare enrollment
Enrolled (PECOS I20091221000166); may accept Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1983
Telehealth
Offers telehealth (CMS)
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 400 Gill LN

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

  1. Joann Colbert, P.A.-CPhysician Assistant1609905892
  2. Rahul Gokhroo, MDInterventional Cardiology Physician1184987372
  3. Marina Grundman, P.A.-CPhysician Assistant1326177528
  4. Swati GuptaInternal Medicine Physician1386035772
  5. Andrew Hunton, P.A.-CPhysician Assistant1891824090
  6. Alicia Lubin-Baskin, D.O.Family Medicine Physician1801880570

Verify Marc Mayer 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 MB44619
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

10,011 Medicare Part D claims for 854 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 185 claims were for opioids.

  1. Marc Mayer10,011
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium672 claims
  2. Amlodipine Besylate369 claims
  3. Metoprolol Succinate356 claims
  4. Levothyroxine Sodium331 claims
  5. Alprazolam296 claims
  6. Metformin Hcl Er293 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.

Industry payments in 2024: $1,256.61

69 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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. Marc Mayer$1,256.61
  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. Avenel Iselin Medical Group, LLCIselin, NJ

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

Marc Mayer among 2,770 family medicine physician records in New Jersey

Marc Mayer, D.O. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% 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 updated2014 · 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).

6 family medicine physician records list a practice address in Iselin

They are 6 of the 266 NPPES records with a practice address in Iselin, and 2,770 family medicine physician records in New Jersey.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sridevi Kandula, M.D.Iselin, NJ 088301194942805
  2. Alicia Lubin-Baskin, D.O.Iselin, NJ 088301801880570
  3. Mitchell Mayer, D.O.Iselin, NJ 088301639173008
  4. Neil Perilstein, M.D.Iselin, NJ 088301144224510
  5. Michelle Wilks, M.D.Iselin, NJ 088301689737082
  6. Joseph Bordieri, D.O.Jamesburg, NJ 088311033135793
  7. Betty Hammond, M.D.Monroe Township, NJ 088311952345753
  8. Cristina Ignacio, M.D.Monroe Township, NJ 088311053503532

Common questions

What is Marc Mayer, D.O.'s NPI number?

Marc Mayer, D.O.'s National Provider Identifier (NPI) is 1720083132, issued on Jun 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marc Mayer, D.O. located?

The NPPES record lists a practice address at 400 Gill LN, Iselin, NJ, 08830. Phone: (732) 404-1580. Providers update this record themselves, so call before visiting.

How can I verify Marc Mayer, D.O.'s license?

NPPES lists New Jersey license number MB44619, 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 Marc Mayer, D.O. prescribe under Medicare Part D?

In 2024, Marc Mayer, D.O. had 10,011 Medicare Part D claims for 854 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.