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ROSALIE A DE GUZMAN M.D.
NPI 1386675452
Pediatrics in Corona, CA

Active since July 06, 2006CLIA 05D0930542 · Waiver
823 S MAIN ST STE 100, CORONA, CA 92882(951) 270-0067 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rosalie A De Guzman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSALIE A DE GUZMAN M.D. (NPI 1386675452) is an individual pediatrics provider in Corona, California, licensed in California (A39804) and active in the NPI registry since July 2006. She holds a CLIA Waiver certificate valid through July 14, 2027.

NPPES Registry Identity

NPI1386675452
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameROSALIE A DE GUZMANCredential: M.D.
Location Address823 S MAIN ST STE 100Corona, CA 92882-3421
Mailing Address823 S Main St Ste 100Corona, CA 92882-3421 · (951) 270-0067
Phone(951) 270-0067
Sole ProprietorYes
Enumeration DateJuly 6, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1386675452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A39804
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
823 S MAIN ST STE 100, Corona, CA 92882
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Other Identifiers 2

Medicaid00A398040CA
Medicare UPINF23803CA

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0930542

Rosalie A De Guzman MD Inc · Corona, CA
Active · expires Jul 14, 2027
CLIA Number05D0930542
Laboratory TypePhysician Office
Certificate Effective DateJuly 15, 2025
Certificate Expiration DateJuly 14, 2027
Laboratory DirectorRosalie A. De Guzman MD
Laboratory Phone(951) 270-0067
Laboratory LocationRosalie A De Guzman MD Inc823 South Main Street Suite 100, Corona, CA 92882
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rosalie De Guzman's NPI number?

The NPI number for Rosalie De Guzman is 1386675452. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Rosalie De Guzman located?

Rosalie De Guzman practices at 823 S Main St Ste 100, Corona, CA 92882. The listed phone number is (951) 270-0067.

What is Rosalie De Guzman's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Rosalie De Guzman hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0930542) is associated with this NPI, valid through July 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Rosalie De Guzman was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.