Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen E. Meyer, CNM

Midwife in Oakland, CA · enumerated 2007.

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

National Provider Identifier

1184765158

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Registry record

Entity type Individual (Type 1)

Name Karen E. Meyer

Credential CNM

Sex Female

Practice address 1411 E 31st St, Oakland, CA, 94602

Phone (510) 437-4323

Fax (510) 437-5042

Enumeration date Feb 10, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

176B00000X Midwife Other Service Providers · License ACNM9030 (CA) Primary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM credential

Other identifiers

Identifier	Type	State	Issuer
ACNM9030	Other	CA	LICENSE NUMBER

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 Karen Meyer?

Karen Meyer is registered in NPPES with the primary taxonomy of Midwife. 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.

Other providers at this practice address

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Andrea Williams Family Medicine Physician · Oakland, CA NPI 1396733135 Oakcare Medical Group Inc Specialist · Oakland, CA NPI 1801887104 Bradley Frazee Emergency Medicine Physician · Oakland, CA NPI 1447241765 Susan Glasscock Emergency Clinical Nurse Specialist · Oakland, CA NPI 1518958834 Abraha Kidane Emergency Medicine Physician · Oakland, CA NPI 1942291265 Hillary Larkin Emergency Clinical Nurse Specialist · Oakland, CA NPI 1194716415 Martin Moran Emergency Clinical Nurse Specialist · Oakland, CA NPI 1447241773 Denae Reed Emergency Clinical Nurse Specialist · Oakland, CA NPI 1801887195

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