Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Thomas A Roisum, MD

Anatomic Pathology & Clinical Pathology Physician in Enid, OK · enumerated 2006.

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

National Provider Identifier

1528171964

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Registry record

Entity type Individual (Type 1)

Name Dr. Thomas A Roisum

Credential MD

Sex Male

Practice address 305 S 5th St, Enid, OK, 73701

Phone (913) 396-8509

Fax (913) 318-8378

Enumeration date Aug 17, 2006

Last updated in NPPES Jun 15, 2026

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 36424 (IA) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 15065 (ND) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 34698 (OK) Primary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 109630 (MO) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MD479037 (PA) Secondary

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
1C220032011	Other	MO	RAILROAD MEDICARE
201085050A	Medicaid	OK	-

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.

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Frequently asked questions

How do I verify Thomas Roisum's NPI record?

Cross-check NPI 1528171964 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1528171964 active?

Yes, as of the latest NPPES snapshot, NPI 1528171964 is active (record last updated 2026-06-15).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-15.