Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Español Near me My list Help
US Patient GuideUSA
Surprise me
Physician Assistant

Kristen Castro, PA

Sees patients in San Antonio, TX · Texas

Summary

Kristen Castro, PA (Physician Assistant) is enrolled with Medicare at 1 practice location in San Antonio, TX. NPI 1194311852. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(210) 245‑7933 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen Castro, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Physician AssistantPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Advanced Internal Medicine Practice PLLCGroup practice

Quick answers

Where does Kristen Castro see patients?
Medicare's clinician data lists 1 practice location in San Antonio, TX. Call before your visit to confirm the address.
What is Kristen Castro's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Kristen Castro accept Medicare assignment?
Yes. Medicare's clinician data says Kristen Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Kristen Castro offer telehealth?
Medicare's clinician data says Kristen Castro offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Kristen Castro?
(210) 245-7933, as listed in official Medicare / NPI Registry data.
What is Kristen Castro's NPI number?
1194311852. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Kristen Castro is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kristen Castro as a member of this group (CMS data updated 2026-10-02).

  • Advanced Internal Medicine Practice PLLC3 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Texas →

Other physician assistants in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All physician assistants in San Antonio →

Clinician information

CredentialPA
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194311852
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians