Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Stuart Rosen, M.D.

Internal Medicine Physician in West Chester, PA · enumerated 2006.

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

National Provider Identifier

1619931672

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Michael Stuart Rosen

Credential M.D.

Sex Male

Practice address 795 E Marshall St, Suite 101, West Chester, PA, 19380

Phone (610) 692-4666

Fax (610) 692-8261

Enumeration date Apr 14, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD024177E (PA) Primary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License MD024177E (PA) 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
2533691	Other	-	AETNA
084229	Other	PA	HIGHMARK
1151689007	Other	-	CIGNA
46674	Other	PA	KEYSTONE MERCY
0008586860001	Medicaid	PA	-
0026138000	Other	-	KEYSTONE HEALTH PLAN EAST

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 is the NPI number for Michael Rosen?

The National Provider Identifier (NPI) for Michael Rosen is 1619931672, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Rosen practice?

The practice location on file with NPPES is in West Chester, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.