Kristen Castro, PA-C
NPI 1194311852 · Medical Physician Assistant · San Antonio, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Castro, PA-C is a Medical Physician Assistant provider in San Antonio, TX (NPI 1194311852).
Provider details
- NPI number
- 1194311852
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 18130 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
324 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $111 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 49 | $112 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 48 | $17 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 47 | $17 |
| Advance Care Planning, First 30 Minutes99497 | 33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 298 | 122 |
| Atorvastatin Calcium | 255 | 104 |
| Losartan Potassium | 209 | 72 |
| Rosuvastatin Calcium | 165 | 57 |
| Metformin Hcl | 157 | 60 |
| Fluticasone Propionate | 114 | 61 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$243 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 7003 S New Braunfels Ave Ste 101San Antonio, TX 78223-4589Phone: (726) 201-5616
Registry dates
- Enumerated
- 2020-12-16
- Last updated
- 2025-10-03
- Certified
- 2025-10-03
Frequently asked questions
- What is Kristen Castro's NPI number?
- Kristen Castro's National Provider Identifier (NPI) is 1194311852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Castro's specialty?
- Kristen Castro is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kristen Castro located?
- Kristen Castro's practice location on file with NPPES is 1418 Walkers Way Ste 101, San Antonio, TX 78216-7752.
- What is Kristen Castro's phone number?
- The practice phone number listed in the NPPES registry for Kristen Castro is (210) 245-7933.
- Does Kristen Castro accept Medicare?
- Kristen Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Castro's NPI active?
- Yes — Kristen Castro's NPI (1194311852) is active in the NPPES registry as of the last update on 2025-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.