Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Martin Gregory Farrell, M.D.

Gastroenterology Physician in Sherman, TX · enumerated 2006.

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

National Provider Identifier

1295814036

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Registry record

Entity type Individual (Type 1)

Name Dr. Martin Gregory Farrell

Credential M.D.

Sex Male

Practice address 425 N Highland Ave, # 130, Sherman, TX, 75092

Phone (903) 892-9179

Fax (903) 868-2317

Enumeration date Nov 3, 2006

Last updated in NPPES Aug 18, 2015

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G5035 (TX) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License G5035 (TX) 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
118539901	Medicaid	TX	-
8EK905	Other	TX	8EK905 BCBSTX

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 Martin Farrell?

The National Provider Identifier (NPI) for Martin Farrell is 1295814036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Martin Farrell practice?

The practice location on file with NPPES is in Sherman, TX. 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 2015-08-18.