NPI age
18 years
Enumerated 2007-08-01
● Active
Type 1 · Individual
Qing Ren, M.D.
Ren is 1 of 2 internal medicine providers in San Marcos and 1 of 1582 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, LA, VA
3 states
Status
Active
No deactivations on record
Last NPPES update
2022-02-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1582 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
3 states
Top 86% — 14% of peers are multi-state
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
1330 Wonder World Dr Ste 101
San Marcos, TX 786667567
Mailing address
12221 N Mopac Expy
Austin, TX 787582401
Specialties
-
Internal Medicine PrimaryAn internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 334817901 | |
| 01 (TX) | P01393814 | RRMDCR |
| 05 (MS) | 01253061 | |
| 05 (LA) | 1006891 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.