Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Fernando Jorge Martinez, M.D.

Gastroenterology Physician in South Weymouth, MA · enumerated 2008.

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

National Provider Identifier

1255598165

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Registry record

Entity type Individual (Type 1)

Name Dr. Fernando Jorge Martinez

Credential M.D.

Sex Male

Practice address 1085 Main St, South Weymouth, MA, 02190

Phone (781) 331-2922

Enumeration date May 19, 2008

Last updated in NPPES Jun 23, 2015

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 242245 (MA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Fernando Martinez practice?

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

What is the NPI number for Fernando Martinez?

The National Provider Identifier (NPI) for Fernando Martinez is 1255598165, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-06-23.