Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael E Keefe, MD

Hematology & Oncology Physician in Milwaukee, WI · enumerated 2005.

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

National Provider Identifier

1073510004

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Registry record

Entity type Individual (Type 1)

Name Michael E Keefe

Credential MD

Sex Male

Practice address 2350 N Lake Dr, Suite 100, Milwaukee, WI, 53211

Phone (414) 298-7250

Fax (414) 298-7251

Enumeration date Jul 5, 2005

Last updated in NPPES Jun 11, 2012

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 42858 (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

How do I verify Michael Keefe's NPI record?

Cross-check NPI 1073510004 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1073510004 active?

Yes, as of the latest NPPES snapshot, NPI 1073510004 is active (record last updated 2012-06-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-06-11.