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John Gribbon, M.D.
NPI 1639224728 · Internal Medicine Physician · Montclair, NJ
John Gribbon, M.D. is a Internal Medicine Physician provider in Montclair, NJ (NPI 1639224728).
Provider details
- NPI number
- 1639224728
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA03676800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
62 S Fullerton Ave
Montclair, NJ 07042-2629
Phone: (973) 744-3382
Fax: (973) 509-3205
Street-level locationGet directions
Mailing address
Po Box 43019
Montclair, NJ 07043-0019
Registry dates
- Enumerated
- 2007-01-25
- Last updated
- 2019-07-10
Frequently asked questions
- What is John Gribbon's NPI number?
- John Gribbon's National Provider Identifier (NPI) is 1639224728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Gribbon's specialty?
- John Gribbon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Gribbon located?
- John Gribbon's practice location on file with NPPES is 62 S Fullerton Ave, Montclair, NJ 07042-2629.
- What is John Gribbon's phone number?
- The practice phone number listed in the NPPES registry for John Gribbon is (973) 744-3382.
- Is John Gribbon's NPI active?
- Yes — John Gribbon's NPI (1639224728) is active in the NPPES registry as of the last update on 2019-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.