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

Alaina Castro, PA-C

Individual provider Surgical Physician Assistant · NPI 1679283469

Alaina Castro, PA-C is a Physician Assistant in Stanford, California. Qualified in 2022, 4 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Washington.

Years since qualifying
4
Licensed in
CA, WA
In the registry since
2022
Specialties on file
3
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1959 Ne Pacific St Fl 3, Seattle, WA 98195-0001 — (206) 598-4022

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 64827 (CA)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence 64827 (CA)
Physician Assistant Taxonomy 363A00000X · Licence PA61397064 (WA)

Record details

NPI number1679283469
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedDecember 1, 2022
Last updated in NPPESDecember 19, 2025
Certification dateDecember 19, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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