Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark A Swisher, MD

Q: What is the NPI number for Mark Swisher?

The National Provider Identifier (NPI) for Mark Swisher is 1558365528, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Lexington, KY · enumerated 2005.

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

National Provider Identifier

1558365528

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Registry record

Entity type Individual (Type 1)

Name Mark A Swisher

Credential MD

Sex Male

Practice address 1221 S Broadway, Sb-5, Lexington, KY, 40504

Phone (859) 258-4530

Fax (859) 258-4870

Enumeration date Jun 8, 2005

Last updated in NPPES Jan 9, 2012

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 24436 (KY) 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
0037676	Other	KY	MEDICARE - FAYETTE COUNTY HEALTH DEPARTMENT
611012421P	Other	KY	HUMANA HMO
000000047818	Other	KY	ANTHEM BC/BS
0400544	Other	KY	UNITED HEALTHCARE
1404232	Other	KY	UMWA
0400360	Other	KY	UNITED HEALTHCARE
110136243	Other	KY	RAILROAD MEDICARE
1284109	Other	KY	UMWA
64-244361	Medicaid	KY	-

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 Swisher?

The National Provider Identifier (NPI) for Mark Swisher is 1558365528, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mark Swisher practice?

The practice location on file with NPPES is in Lexington, KY. 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 2012-01-09.