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

Gary Zartarian, MD

Gastroenterology Physician in Brunswick, ME · enumerated 2006.

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

National Provider Identifier

1093765372

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Registry record

Entity type Individual (Type 1)

Name Gary Zartarian

Credential MD

Sex Male

Practice address Brunswick, ME, 04011

Phone (508) 548-8989

Fax (508) 548-5789

Enumeration date May 10, 2006

Last updated in NPPES Jul 24, 2015

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

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 57354 (MA) 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
057354	Other	MA	TUFTS HEALTH
3047202	Medicaid	MA	-
30082	Other	MA	HARVARD PILGRIM

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 Gary Zartarian?

The National Provider Identifier (NPI) for Gary Zartarian is 1093765372, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gary Zartarian practice?

The practice location on file with NPPES is in Brunswick, ME. 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 2015-07-24.