Karina Vasquez, M.D.
NPI 1417191032ActiveIndividual· Internal Medicine, Nephrology· San Antonio, TX
Internal Medicine, Nephrology (M.D.) with San Antonio Kidney Disease Center Physicians Group, P.L.L.C., practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $562,546 for 3,401 claims, against $192,520 paid for services in 2024. Amgen Inc. was the largest of 24 companies reporting payments in 2025, $1,920 in all, mostly food and beverage. Lists Christus Santa Rosa Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1417191032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2009 |
| Last updated in NPPES | Nov 3, 2026 |
| Certified by provider | Nov 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | Q1321 | TX |
| Specialist | 174400000X | Q1321 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 438 |
|---|---|
| Services billed | 2,076 across 28 procedure codes |
| Paid by Medicare | $192,520 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,401 · 8,201 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $562,546 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- San Antonio Kidney Disease Center Physicians Group, P.L.L.C.San Antonio, TX · 33 clinicians
Hospital affiliations
- Christus Santa Rosa Medical CenterSan Antonio, TX
- Medina Regional HospitalHondo, TX
- Methodist HospitalSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
- Uvalde Memorial HospitalUvalde, TX
Other facilities
- Davita Roadrunner DialysisDialysis facility · San Antonio, TX
- Davita Westover DialysisDialysis facility · San Antonio, TX
- Warm Springs Rehab Hospital of San Antonio LLCInpatient rehabilitation facility · San Antonio, TX
Industry payments (Open Payments)
- 2025$1,920 · 99 payments from 24 companies
- 2024$1,867 · 90 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $217.77 | 14 |
| Fresenius USA Marketing, Inc. | $195.27 | 10 |
| Calliditas Therapeutics US Inc. | $187.33 | 7 |
| Travere Therapeutics, Inc. | $174.81 | 11 |
| Opko Pharmaceuticals, LLC | $147.90 | 15 |
What the 2025 payments were for
- Food and Beverage$1,920 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in San Antonio
- 1003913617
- 1013221274
- 1023397114
- 1053328336
- 1053365023
- 1053594994
- 1073598520
- 1083616197
- 1083667893
- 1093805863
- 1093951238
- 1104030865
All 168 nephrologists in San Antonio · All nephrologists in Texas