ALAINA CASTRO PA-C
NPI 1679283469
Physician Assistant in Stanford, CA
About Alaina Castro Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALAINA CASTRO PA-C (NPI 1679283469) is an individual physician assistant in Stanford, California, licensed in California (64827) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alaina Castro Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Alaina Castro's NPI number?
The NPI number for Alaina Castro is 1679283469. It was assigned to this individual provider in the NPPES registry on December 1, 2022. The provider is also known as Alaina Grotte.
Where is Alaina Castro located?
Alaina Castro practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Alaina Castro's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Alaina Castro enrolled in Medicare?
Yes. Alaina Castro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Alaina Castro was last updated on December 19, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
