NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gregory J Gallina, M.D.

Colon & Rectal Surgery Physician in Maywood, NJ · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356437198

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Registry record

Entity type Individual (Type 1)
Name Gregory J Gallina
Credential M.D.
Sex Male
Practice address Maywood, NJ, 07607
Phone (201) 525-1031
Enumeration date Oct 5, 2006
Last updated in NPPES Apr 1, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MA 62495 (NJ) Secondary
208C00000X Colon & Rectal Surgery Physician Allopathic & Osteopathic Physicians · License MA62495 (NJ) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Gregory Gallina?
The National Provider Identifier (NPI) for Gregory Gallina is 1356437198, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Gallina practice?
The practice location on file with NPPES is in Maywood, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-01.