Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

James C Baumgaertner, MD

Dermatology Physician in Onalaska, WI · enumerated 2005.

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

National Provider Identifier

1942204839

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Registry record

Entity type Individual (Type 1)

Name James C Baumgaertner

Credential MD

Sex Male

Practice address 3111 Gundersen Dr, Onalaska, WI, 54650

Phone (608) 775-8630

Enumeration date Jun 8, 2005

Last updated in NPPES Feb 5, 2014

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 22961 (WI) Primary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 22190 (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
30326400	Medicaid	WI	-

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is James Baumgaertner?

James Baumgaertner is registered in NPPES with the primary taxonomy of Dermatology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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James Munn Internal Medicine Physician · Onalaska, WI NPI 1417959735 Karl Noll Dermatology Physician · Onalaska, WI NPI 1972505261 Mark Patterson Internal Medicine Physician · Onalaska, WI NPI 1134121478 Kellie Backman Family Nurse Practitioner · Onalaska, WI NPI 1639171895 Aleksandra Stuparic-Stancic Family Medicine Physician · Onalaska, WI NPI 1861496655 Stephen Webster Dermatology Physician · Onalaska, WI NPI 1750385498 David Carney Physical Therapist · Onalaska, WI NPI 1174528582 Linda Hirsh Advanced Practice Midwife · Onalaska, WI NPI 1801891320

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-05.