Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Robert Alexander Cerwin, M.D.

Diagnostic Radiology Physician in Raleigh, NC · enumerated 2006.

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

National Provider Identifier

1962467944

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Registry record

Entity type Individual (Type 1)

Name Dr. Robert Alexander Cerwin

Credential M.D.

Sex Male

Practice address 3949 Browning Pl, Raleigh, NC, 27609

Phone (919) 787-8221

Fax (919) 789-4461

Enumeration date Apr 20, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 20709 (NC) 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
63177	Other	NC	MEDCOST
7921850	Medicaid	NC	-
16-54687	Other	NC	UNITED HEALTHCARE
63108	Other	NC	MEDCOST
21850	Other	NC	BLUECROSS BLUESHIELD
16-54686	Other	NC	UNITED HEALTHCARE
63148	Other	NC	MEDCOST
7208065	Other	VI	VIRGINIA MEDICAID
16-54585	Other	NC	UNITED HEALTHCARE

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

What specialty is Robert Cerwin?

Robert Cerwin 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.