Physician Profile
George J. Vassar, MD
Unclaimed ProfileAbout Dr. Vassar
Based in San Antonio, TX, George J. Vassar, MD is listed in the NPI registry under urology. Medicare claims data shows George provided 14,437 services to 5,329 patients. The services billed most often include injection, denosumab, 1 mg, insertion of needle into vein for collection of blood sample, and manual urinalysis test with examination using microscope, automated.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (210) 499-5158
- Email not available
Practice Locations
18915 MEISNER DR
San Antonio, TX 78258
Conditions Commonly Evaluated or Treated
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Procedures & services
Most searched procedures
Office diagnosis
Bladder procedures
- Artificial Urinary Sphincter Implant
- Bladder Botox Injection
- Bladder instillation therapy
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
Prostate
Prostate procedures
- HoLEP Laser Prostate Surgery
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Transurethral resection of the prostate
Stone procedures
Procedures Most Often Billed to Medicare
14,437 services · 5,329 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
2,086 | More than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
427 | More often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
80 | As often as other peers in Urology |
| Simple change of bladder tube | Procedure | 51705 |
50 | More often than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
46 | More often than most peers in Urology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
147 | More often than most peers in Urology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
59 | More often than most peers in Urology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,480 | More often than most peers in Urology |
| Leuprolide acetate (for depot suspension), 7.5 mg | Drug given | J9217 |
102 | Less often than most peers in Urology |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
855 | More often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urologists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other urologists in San Antonio 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Medical Clinic of Houston, LLP
- The University of Texas Southwestern Medical Center at Dallas
Common questions
What does Dr. Vassar specialize in?
Dr. Vassar is an urologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where is Dr. Vassar located?
Dr. Vassar is listed at 18915 Meisner Dr, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Vassar's phone number?
The number on file is (210) 499-5158. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Vassar?
Dr. Vassar's National Provider Identifier is 1932297157. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Vassar go to medical school?
Dr. Vassar attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Vassar have?
Dr. Vassar has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Vassar do most often?
According to Medicare billing data, Dr. Vassar performs procedures including insertion of needle into vein for collection of blood sample, ultrasound measurement of bladder capacity after voiding and diagnostic exam of bladder and urethra using an endoscope; provides treatments such as injection of drug or substance under skin or into muscle and administration of hormonal anti-neoplastic chemotherapy under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Vassar's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Vassar. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.