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

Dr. Steven Mark Rosen, M.D.

Specialist in Trevose, PA · enumerated 2006.

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

National Provider Identifier

1144294323

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven Mark Rosen

Credential M.D.

Sex Male

Practice address Trevose, PA, 19053

Phone (267) 288-5601

Fax (267) 288-5905

Enumeration date Feb 15, 2006

Last updated in NPPES Feb 4, 2016

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

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MD034707E (PA) Primary

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
0160788000	Other	PA	KEYSTONE INDIVIDUAL
232749589	Other	PA	HEALTHNET/TRICARE
5561325	Other	PA	USHC GROUP
4239977	Other	PA	USHC INDIVIDUAL
0698266000	Other	PA	KEYSTONE GROUP
0698266000	Other	PA	AMERIHEALTH GROUP
0160788000	Other	PA	AMERIHEALTH INDIVIDUAL
P1778140	Other	PA	OXFORD
0000755415	Other	PA	BLUE CROSS GROUP
9598079001	Other	PA	CIGNA

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.

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Frequently asked questions

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.

What specialty is Steven Rosen?

Steven Rosen is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-04.