Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Fu, M.D

Q: What is the NPI number for Karen Fu?

The National Provider Identifier (NPI) for Karen Fu is 1528007861, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Laguna Niguel, CA · enumerated 2006.

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

National Provider Identifier

1528007861

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Registry record

Entity type Individual (Type 1)

Name Karen Fu

Credential M.D

Sex Female

Practice address 30131 Town Center Dr, Suite #135, Laguna Niguel, CA, 92677

Phone (949) 363-9595

Fax (949) 363-7055

Enumeration date Jun 5, 2006

Last updated in NPPES Oct 22, 2021

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A69169 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Karen Fu practice?

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

What is the NPI number for Karen Fu?

The National Provider Identifier (NPI) for Karen Fu is 1528007861, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-22.