Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christina Blume Clark, M.D., PH.D.

Diagnostic Radiology Physician in Louisville, KY · enumerated 2010.

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

National Provider Identifier

1609194596

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Registry record

Entity type Individual (Type 1)

Name Dr. Christina Blume Clark

Credential M.D., PH.D.

Sex Female

Practice address Department of Radiology University of Louisville Hosp., 530 South Jackson Street Ccb-C07, Louisville, KY, 40202

Phone (502) 852-5875

Enumeration date May 17, 2010

Last updated in NPPES Dec 13, 2022

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 50602 (KY) Primary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD461741 (PA) Secondary

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 Christina Clark?

Christina Clark is registered in NPPES with the primary taxonomy of Diagnostic Radiology 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-13.