Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Martha E Colgan, MD

Pediatrics Physician in Fort Defiance, AZ · enumerated 2005 · practices at Fort Defiance Indian Hospital Board, Inc.

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

National Provider Identifier

1508841636

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Registry record

Entity type Individual (Type 1)

Name Dr. Martha E Colgan

Credential MD

Sex Female

Practice address Corner of Route N12 and N7, Fort Defiance, AZ, 86504

Phone (928) 729-8000

Enumeration date Dec 13, 2005

Last updated in NPPES Oct 7, 2014

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 0101056496 (VA) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD441483 (PA) 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

What is the NPI number for Martha Colgan?

The National Provider Identifier (NPI) for Martha Colgan is 1508841636, a Type 1 (individual) record in the CMS NPPES registry.

Where does Martha Colgan practice?

The practice location on file with NPPES is in Fort Defiance, AZ. 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 2014-10-07.