Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Anita M Carstensen, M.D

Specialist in Oakland, CA · enumerated 2006.

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

National Provider Identifier

1346296944

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Registry record

Entity type Individual (Type 1)

Name Dr. Anita M Carstensen

Credential M.D

Sex Female

Practice address 3300 Webster St, 304, Oakland, CA, 94609

Phone (510) 451-1196

Fax (510) 451-0410

Enumeration date May 25, 2006

Last updated in NPPES May 3, 2010

Taxonomy & licenses

174400000X Specialist Other Service Providers · License A44873 (CA) 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
00A448730	Medicaid	CA	-
GR0045150	Medicaid	CA	-

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 specialty is Anita Carstensen?

Anita Carstensen 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.

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 2010-05-03.