Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dawn M W Comstock, PA

Physician Assistant in Fontana, CA · enumerated 2006.

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

National Provider Identifier

1104993948

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Registry record

Entity type Individual (Type 1)

Name Dawn M W Comstock

Credential PA

Sex Female

Practice address 9961 Sierra Ave, Fontana, CA, 92335

Phone (909) 427-3910

Enumeration date Nov 29, 2006

Last updated in NPPES Nov 30, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA16945 (CA) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA 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 Dawn Comstock?

The National Provider Identifier (NPI) for Dawn Comstock is 1104993948, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dawn Comstock practice?

The practice location on file with NPPES is in Fontana, CA. 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 2021-11-30.