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Edit this profileAt a glance
- 3903 Lone Tree Way Ste 104, Antioch, CA 94509
About Katherine De Castro
Listed in the NPI registry as a physician assistant — medical, Katherine De Castro, PA-C practices in Antioch, CA. Katherine is also listed as specializing in student in an organized health care education program. NPI 1598501991 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (925) 755-1255
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3903 LONE TREE WAY STE 104
Antioch, CA 94509
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Antioch 4
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Katherine De Castro's specialty?
Katherine De Castro is a physician assistant in Antioch, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Where can I find Katherine De Castro?
Katherine De Castro is listed at 3903 Lone Tree Way Ste 104, Antioch, CA 94509. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Katherine De Castro?
The number on file is (925) 755-1255. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Katherine De Castro?
Katherine De Castro's National Provider Identifier is 1598501991. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Katherine De Castro's education?
Katherine De Castro attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine De Castro have?
Katherine De Castro has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Is Katherine De Castro's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine De Castro. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.