Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary K Christian, MD

Surgery Physician in La Crosse, WI · enumerated 2005.

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

National Provider Identifier

1477535086

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Registry record

Entity type Individual (Type 1)

Name Mary K Christian

Credential MD

Sex Female

Practice address 700 West Ave S, La Crosse, WI, 54601

Phone (608) 392-9883

Enumeration date Nov 18, 2005

Last updated in NPPES Sep 15, 2020

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 37700 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 specialty is Mary Christian?

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

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-15.