Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen An Callera Ronquillo, DO

Family Medicine Physician in El Cajon, CA · enumerated 2020.

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

National Provider Identifier

1275160012

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Registry record

Entity type Individual (Type 1)

Name Karen An Callera Ronquillo

Credential DO

Sex Female

Practice address 855 E Madison Ave, El Cajon, CA, 92020

Phone (619) 440-2751

Enumeration date Mar 23, 2020

Last updated in NPPES Sep 26, 2023

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 20A20865 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
93427222G	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 An Ronquillo?

The National Provider Identifier (NPI) for Karen An Ronquillo is 1275160012, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen An Ronquillo practice?

The practice location on file with NPPES is in El Cajon, 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 2023-09-26.