George Vassar, MD
NPI 1932297157 · Urology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Vassar, MD is a Urology Physician provider in San Antonio, TX (NPI 1932297157).
Provider details
- NPI number
- 1932297157
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J8813 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,269 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,086 | $9 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 855 | $3 |
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 780 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 777 | $121 |
| Psa (prostate Specific Antigen) Measurement, Total84153 | 547 | $18 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 717 | 228 |
| Finasteride | 478 | 150 |
| Mirabegronbrand: Myrbetriq | 178 | 62 |
| Solifenacin Succinate | 109 | 38 |
| Silodosin | 59 | 20 |
| Testosterone Cypionate | 50 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$952 across 27 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
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2025-05-06
- Certified
- 2025-05-06
Frequently asked questions
- What is George Vassar's NPI number?
- George Vassar's National Provider Identifier (NPI) is 1932297157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Vassar's specialty?
- George Vassar is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is George Vassar located?
- George Vassar's practice location on file with NPPES is 18915 Meisner Dr, San Antonio, TX 78258-4223.
- What is George Vassar's phone number?
- The practice phone number listed in the NPPES registry for George Vassar is (210) 499-5158.
- Does George Vassar accept Medicare?
- George Vassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Vassar's NPI active?
- Yes — George Vassar's NPI (1932297157) is active in the NPPES registry as of the last update on 2025-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.