Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Kathleen A Regacho, MD

Individual provider Emergency Medicine Physician · NPI 1023331865

Kathleen A Regacho, MD is an Emergency Medicine in Antioch, California. Graduated from University of California, Irvine, California College of Medicine in 2008, 18 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3901 Lone Tree Way
Antioch, CA 94509
Phone: (925) 779-3522
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A110697 (CA)

Record details

NPI number1023331865
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 8, 2010
Last updated in NPPESJanuary 24, 2022
Certification dateJanuary 24, 2022
Mailing address3901 Lone Tree Way, Antioch, CA 94509

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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