Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Gregory D Rosen, M.D.

Emergency Medicine Physician in Pleasant Prairie, WI · enumerated 2010.

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

National Provider Identifier

1720300411

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory D Rosen

Credential M.D.

Sex Male

Practice address Pleasant Prairie, WI, 53158

Phone (262) 577-8202

Enumeration date Feb 22, 2010

Last updated in NPPES Sep 19, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 60636 (WI) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036125035 (IL) 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

Where does Gregory Rosen practice?

The practice location on file with NPPES is in Pleasant Prairie, WI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Gregory Rosen?

The National Provider Identifier (NPI) for Gregory Rosen is 1720300411, a Type 1 (individual) record in the CMS NPPES registry.

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John Martini Family Medicine Physician · Pleasant Prairie, WI NPI 1033119276 Karl Greene Neurological Surgery Physician · Pleasant Prairie, WI NPI 1376535492 United Occupational Medicine and Walk in Services, LLC Occupational Medicine Physician · Pleasant Prairie, WI NPI 1518915073 Kenosha Emergency Physicians, LLC Emergency Medicine Physician · Pleasant Prairie, WI NPI 1942259726 Pamela Cava Pediatrics Physician · Pleasant Prairie, WI NPI 1831142686 Angelina Montemurro Family Medicine Physician · Pleasant Prairie, WI NPI 1417904491 Froedtert South, Inc. General Acute Care Hospital · Pleasant Prairie, WI NPI 1003831132 Joyce Turley Neonatal-Perinatal Medicine Physician · Pleasant Prairie, WI NPI 1871609677

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-19.