Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Heather Marie Stoy Coffman, MD

Otolaryngology Physician in Phoenix, AZ · enumerated 2005.

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

National Provider Identifier

1255315669

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Registry record

Entity type Individual (Type 1)

Name Dr. Heather Marie Stoy Coffman

Credential MD

Sex Female

Practice address 4212 N 16th St, Phoenix, AZ, 85016

Phone (602) 263-1200

Fax (602) 263-1619

Enumeration date Nov 30, 2005

Last updated in NPPES Apr 23, 2026

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 50318 (AZ) 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
1255315669	Other	AZ	AETNA
1255315669	Other	AZ	UHC
1255315669	Other	AZ	HMN
1255315669	Other	AZ	BCBS
1255315669	Other	AZ	AFMC
042328	Medicaid	AZ	-
1255315669	Other	AZ	CIGNA
1255315669	Other	AZ	HEALTH NET

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 Heather Coffman practice?

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

What is the NPI number for Heather Coffman?

The National Provider Identifier (NPI) for Heather Coffman is 1255315669, 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 2026-04-23.