NPI age
19 years
Enumerated 2006-10-11
● Active
Type 1 · Individual
DR. George John Vassar, MD
Vassar is 1 of 97 urology providers in San Antonio and 1 of 1194 in Texas.
Primary specialty
Urology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-05-06
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1194 active urology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
22% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
18915 Meisner Dr
San Antonio, TX 782584223
Mailing address
7909 Fredericksburg Rd Ste 110
San Antonio, TX 782293400
Specialties
-
Urology PrimaryA urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of...
Practice context
Part of a multi-provider practice. 10 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new urology provider has been added in San Antonio in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 1194 Urology providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.