Qing Ren, M.D.
NPI 1316137722ActiveIndividual· Internal Medicine, Nephrology· San Marcos, TX
Internal Medicine, Nephrology (M.D.) with The Austin Diagnostic Clinic PLLC, practicing in San Marcos, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,726,626 for 2,464 claims, against $156,472 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 5 companies reporting payments in 2025, $355.94 in all, mostly food and beverage. Lists Ascension Seton Hays and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1316137722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 1, 2007 |
| Last updated in NPPES | Feb 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | P7973 | TX |
| Internal Medicine, Nephrology | 207RN0300X | MD.202116 | LA |
| Internal Medicine, Nephrology | 207RN0300X | 0101240430 | VA |
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 | 261 |
|---|---|
| Services billed | 1,462 across 34 procedure codes |
| Paid by Medicare | $156,472 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,464 · 4,784 30-day fills |
|---|---|
| Patients | 241 |
| Total drug cost | $1,726,626 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- The Austin Diagnostic Clinic PLLCCedar Park, TX · 86 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- St David's South Austin Medical CenterAustin, TX
Other facilities
- Fresenius Medical Care KyleDialysis facility · Kyle, TX
- Nna San MarcosDialysis facility · San Marcos, TX
Industry payments (Open Payments)
- 2025$355.94 · 15 payments from 5 companies
- 2024$354.86 · 16 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $112.45 | 4 |
| Astrazeneca Pharmaceuticals LP | $104.26 | 5 |
| Ani Pharmaceuticals, Inc. | $51.49 | 2 |
| Ardelyx, Inc. | $46.87 | 2 |
| Fresenius USA Marketing, Inc. | $40.87 | 2 |
What the 2025 payments were for
- Food and Beverage$355.94 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in San Marcos
- 1275500100