Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark D Davis, PA-C

Q: What is the NPI number for Mark Davis?

The National Provider Identifier (NPI) for Mark Davis is 1679580435, a Type 1 (individual) record in the CMS NPPES registry.

Medical Physician Assistant in Fort Worth, TX · enumerated 2006 · practices at Texas Oncology PA.

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

National Provider Identifier

1679580435

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Registry record

Entity type Individual (Type 1)

Name Mark D Davis

Credential PA-C

Sex Male

Practice address 6500 Harris Pkwy, Fort Worth, TX, 76132

Phone (817) 263-2600

Fax (817) 263-2805

Enumeration date Aug 2, 2006

Last updated in NPPES Jun 1, 2023

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601004142 (MI) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA06442 (TX) Secondary

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA06442 (TX) Primary

Other identifiers

Identifier	Type	State	Issuer
208650601	Medicaid	TX	-
110F335760	Other	MA	BCBSM

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 Mark Davis practice?

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

What is the NPI number for Mark Davis?

The National Provider Identifier (NPI) for Mark Davis is 1679580435, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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David Barrera Medical Oncology Physician · Fort Worth, TX NPI 1063444297 Harold Freeman Radiation Oncology Physician · Fort Worth, TX NPI 1770515900 Randall Crim Medical Oncology Physician · Fort Worth, TX NPI 1730300773 Cristi Aitelli Medical Oncology Physician · Fort Worth, TX NPI 1578773511 Texas Oncology PA Medical Oncology Physician · Fort Worth, TX NPI 1033386578 Patrick Griffin Hematology & Oncology Physician · Fort Worth, TX NPI 1386963015 Jennifer Hecht Surgical Oncology Physician · Fort Worth, TX NPI 1932411683 Jaclyn Harris Family Nurse Practitioner · Fort Worth, TX NPI 1184071359

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-01.