Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark S. Thomas, M.D.

Q: What is the NPI number for Mark Thomas?

The National Provider Identifier (NPI) for Mark Thomas is 1699755942, a Type 1 (individual) record in the CMS NPPES registry.

Hospice and Palliative Medicine (Family Medicine) Physician in Fayetteville, AR · enumerated 2006.

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

National Provider Identifier

1699755942

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Registry record

Entity type Individual (Type 1)

Name Mark S. Thomas

Credential M.D.

Sex Male

Practice address 3215 N Northhills Blvd, Fayetteville, AR, 72703

Phone (479) 463-7102

Fax (479) 463-7864

Enumeration date Jan 20, 2006

Last updated in NPPES Sep 7, 2017

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License E-0779 (AR) Secondary

2080H0002X Pediatric Hospice and Palliative Medicine Physician Allopathic & Osteopathic Physicians · License E-0779 (AR) Secondary

207QH0002X Hospice and Palliative Medicine (Family Medicine) Physician Allopathic & Osteopathic Physicians · License E-0779 (AR) 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
080102352	Other	AR	RAILROAD MEDICARE
341359	Other	AR	HEALTHLINK
5J987	Other	AR	BCBS
128927001	Medicaid	AR	-
991261	Other	AR	UNITED HEALTH CARE
1143438	Other	AR	FIRST HEALTH
16642000000	Other	AR	QUAL CHOICE
4250606	Other	AR	AETNA

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 Mark Thomas?

The National Provider Identifier (NPI) for Mark Thomas is 1699755942, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Thomas practice?

The practice location on file with NPPES is in Fayetteville, AR. 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 2017-09-07.