Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas Charles Boysen, M.D.

Dermatology Physician in Coralville, IA · enumerated 2006.

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

National Provider Identifier

1851475750

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Registry record

Entity type Individual (Type 1)

Name Thomas Charles Boysen

Credential M.D.

Sex Male

Practice address 501 12th Ave, Suite 101, Coralville, IA, 52241

Phone (319) 337-3177

Fax (319) 341-0024

Enumeration date Oct 25, 2006

Last updated in NPPES Jul 28, 2008

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 24303 (IA) Primary

207ND0101X MOHS-Micrographic Surgery Physician Allopathic & Osteopathic Physicians · License 24303 (IA) Secondary

207ND0900X Dermatopathology Physician Allopathic & Osteopathic Physicians · License 24303 (IA) Secondary

207NP0225X Pediatric Dermatology Physician Allopathic & Osteopathic Physicians · License 24303 (IA) Secondary

207NS0135X Procedural Dermatology Physician Allopathic & Osteopathic Physicians · License 24303 (IA) 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
24829	Other	IA	WELLMARK BCBS
0000A30001	Other	IA	UHC OF RIVER VALLEY
0042135	Medicaid	IA	-

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 Thomas Boysen?

The National Provider Identifier (NPI) for Thomas Boysen is 1851475750, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Boysen practice?

The practice location on file with NPPES is in Coralville, IA. 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 2008-07-28.