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

Katherine De Castro, PA-C

Individual provider Medical Physician Assistant · NPI 1598501991

Katherine De Castro, PA-C is a Physician Assistant in Antioch, California. Qualified in 2025, 1 year ago. Licensed in California.

Years since qualifying
1
Licensed in
CA
In the registry since
2024
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

3903 Lone Tree Way Ste 104
Antioch, CA 94509-6251
Phone: (925) 755-1255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1598501991
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 4, 2024
Last updated in NPPESOctober 29, 2025
Certification dateOctober 29, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated

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