NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carol Sue Rosenberg, R.N.

Diabetes Educator Registered Nurse in Torrance, CA · enumerated 2007.

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

National Provider Identifier

1538342464

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Registry record

Entity type Individual (Type 1)
Name Carol Sue Rosenberg
Credential R.N.
Sex Female
Practice address 3565 Del Amo Blvd, Department of Endocrinology, Torrance, CA, 90503
Fax (310) 793-9531
Enumeration date Dec 13, 2007
Last updated in NPPES Dec 13, 2007

Taxonomy & licenses

163WD0400X Diabetes Educator Registered Nurse Nursing Service Providers · License 307042 (CA) Primary
364S00000X Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 177 (CA) Secondary
364SC2300X Chronic Care Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 177 (CA) Secondary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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.

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Frequently asked questions

What specialty is Carol Rosenberg?
Carol Rosenberg is registered in NPPES with the primary taxonomy of Diabetes Educator Registered Nurse. 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 2007-12-13.