Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen E. Pimentel, MD

Pediatrics Physician in Fremont, CA · enumerated 2007.

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

National Provider Identifier

1346390168

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Registry record

Entity type Individual (Type 1)

Name Karen E. Pimentel

Credential MD

Sex Female

Practice address 39400 Paseo Padre Pkwy, Fremont, CA, 94538

Phone (510) 795-3000

Enumeration date Jan 12, 2007

Last updated in NPPES Dec 17, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A76053 (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
00A760530	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 is the NPI number for Karen Pimentel?

The National Provider Identifier (NPI) for Karen Pimentel is 1346390168, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Pimentel practice?

The practice location on file with NPPES is in Fremont, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-17.