Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey L. Gross, M.D.

Neurology Physician in Fairfield, CT · enumerated 2006.

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

National Provider Identifier

1770549180

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Jeffrey L. Gross

Credential M.D.

Sex Male

Practice address 75 Kings Highway Cutoff, 5th Floor, Fairfield, CT, 06824

Phone (203) 333-1133

Enumeration date Apr 25, 2006

Last updated in NPPES Aug 1, 2008

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 025497 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
001254978	Medicaid	CT	-
010025497CT01	Other	CT	ANTHEM BLUE CROSS AND BLU

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jeffrey Gross?

The National Provider Identifier (NPI) for Jeffrey Gross is 1770549180, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Gross practice?

The practice location on file with NPPES is in Fairfield, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-01.