John Gribbon, M.D.
Internal Medicine Physician · Montclair, NJ
John Gribbon, M.D. is an internal medicine physician with a practice address in Montclair, New Jersey, and NPI 1639224728, issued on Jan 25, 2007. Check the license (New Jersey 25MA03676800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Gribbon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA03676800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 62 S Fullerton Ave, Montclair, NJ 07042
- Phone
- (973) 744-3382
- Enumerated
- Jan 25, 2007
- Record last updated
- Jul 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (973) 509-3205
- Entity
- Type 1 · individual
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Verify John Gribbon 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 25MA03676800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Gribbon among 4,632 internal medicine physician records in New Jersey
John Gribbon, M.D. is one of 4,632 internal 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 not. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Montclair
They are 38 of the 1,402 NPPES records with a practice address in Montclair, and 4,632 internal medicine physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,632 in New Jersey → Every provider in Montclair → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Reddy Allam, MDMontclair, NJ 070421437117827
- Francis Berlingeri, MDMontclair, NJ 070421851498463
- Tiziana Califano, MDMontclair, NJ 070421861468431
- Rajitha Gujja, MDMontclair, NJ 070421558362202
- Jaffar Jafri, MDMontclair, NJ 070421477562007
- Edward Krupp, D.O.Montclair, NJ 070421760583868
- Raymond Liang, MDMontclair, NJ 070421487626057
- Shalini Mali, M.D.Montclair, NJ 070421750473286
Common questions
What is John Gribbon, M.D.'s NPI number?
John Gribbon, M.D.'s National Provider Identifier (NPI) is 1639224728, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Gribbon, M.D. located?
The NPPES record lists a practice address at 62 S Fullerton Ave, Montclair, NJ, 07042. Phone: (973) 744-3382. Providers update this record themselves, so call before visiting.
How can I verify John Gribbon, M.D.'s license?
NPPES lists New Jersey license number 25MA03676800, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.