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- 1601 Redwood Rd, Ste A, San Marcos, TX 78666
About Dr. Willis
Donald L. Willis, M.D. is a healthcare provider in San Marcos, TX specializing in urology. Donald trained at University of Texas Medical Branch at Galveston, graduating in 1983. According to Medicare claims data, Donald cared for 459 Medicare patients across 676 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, leuprolide acetate (for depot suspension), 7.5 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1316940372.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (512) 396-4400
- Email not available
Practice Locations
1601 REDWOOD RD STE A
San Marcos, TX 78666
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
Pediatric urology
- Hypospadias
- Posterior urethral valves
- Undescended testicle
Reconstructive and complex
- Urethral injury
- Urinary diversion complications
- Urinary tract fistula
- Urologic complications of kidney transplant
Most searched conditions
- Erectile dysfunction
- Kidney stones
- Overactive bladder
- Prostate cancer
- Urinary incontinence in women
- UTI
Bladder and urethra
- Bladder cancer
- Interstitial cystitis and bladder pain syndrome
- Urethral stricture
Kidney and ureter
- Kidney cancer
Male reproductive and sexual health
- Hydrocele
- Male infertility
- Peyronie's disease
- Testicular and scrotal pain
- Testicular cancer
- Testicular torsion
- Testosterone deficiency
- Varicocele
Prostate
- Elevated PSA
- Enlarged prostate
- Prostatitis
Urinary symptoms and infection
- Blood in the urine
- Kidney infection
- Painful urination
- Recurrent urinary tract infections
- Urinary retention
Bladder & Urination
Kidney health
- Kidney Cyst
Men's health
- Chronic Pelvic Pain in Men
Urinary symptoms
- Waking Up to Pee
Procedures & services
Bladder & bowel
- Catheter care and troubleshooting
Bladder and urinary
- Bladder Ultrasound Scan
- Catheter Removal and Bladder Voiding Trial
Bladder procedures
- Artificial Urinary Sphincter Implant
- Artificial urinary sphincter implantation
- Bladder Botox Injection
- Bladder instillation therapy
- Botulinum toxin injection into the bladder
- Percutaneous tibial nerve stimulation
- Radical bladder removal
- Sacral neuromodulation
- Sling surgery for stress incontinence
- Transurethral resection of bladder tumor
- Urinary diversion
Diagnostic imaging
- Prostate Ultrasound
Kidney & ureter procedures
- Ureteral Stent Removal
Kidney and ureter surgery
- Kidney and ureter removal
- Partial kidney removal
- Pyeloplasty
- Radical kidney removal
- Ureteral reconstruction
- Ureteral reimplantation
Male reproductive
- Hydrocele repair
- Penile implant surgery
- Surgical correction of penile curvature
- Testicle removal
- Varicocele repair
- Vasectomy reversal
Office diagnosis
- MRI-targeted fusion prostate biopsy
- Prostate biopsy
- Transrectal ultrasound of the prostate
- Urinary flow testing
- Urodynamic testing
- Urologic consultation
Prostate
- GreenLight Laser Prostate Surgery
Prostate procedures
- HoLEP Laser Prostate Surgery
- Laser enucleation of the prostate
- Laser vaporization of the prostate
- Prostatic urethral lift
- Rezum Water Vapor Therapy
- Robotic simple prostatectomy
- Transurethral resection of the prostate
- Water-vapor treatment for enlarged prostate
Reconstructive and pediatric
- Surgery for vesicoureteral reflux
- Urethral reconstruction
- Urinary fistula repair
Stone procedures
- Laser treatment of urinary stones
- Nephrostomy tube management
- Percutaneous kidney-stone removal
- Shock-wave treatment of kidney stones
- Ureteral stent placement
- Ureteroscopy
Most searched procedures
- Circumcision
- Cystoscopy
- Kidney stone removal
- Prostatectomy
- Vasectomy
Procedures Most Often Billed to Medicare
676 services · 459 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
60 | As often as other peers in Urology |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
20 | Less often than most peers in Urology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
11 | Less often than most peers in Urology |
| Leuprolide acetate (for depot suspension), 7.5 mg | Drug given | J9217 |
132 | As often as other peers in Urology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
243 | More than most peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
119 | Less often than most peers in Urology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
68 | More often than most peers in Urology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less 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.
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.
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Diagnostic exam of bladder and urethra using an endoscope 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Donald L. Willis's specialty?
Donald L. Willis is an urologist in San Marcos, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Where can I find Donald L. Willis?
Donald L. Willis is listed at 1601 Redwood Rd Ste A, San Marcos, TX 78666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Donald L. Willis?
The number on file is (512) 396-4400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Donald L. Willis's NPI number?
Donald L. Willis's National Provider Identifier is 1316940372. 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
What is Donald L. Willis's education?
Donald L. Willis attended University of Texas Medical Branch at Galveston, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Donald L. Willis been practicing?
Donald L. Willis has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Donald L. Willis known for?
According to Medicare billing data, Donald L. Willis performs procedures including diagnostic exam of bladder and urethra using an endoscope; reads or performs imaging such as complete ultrasound scan of pelvis and ultrasonic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Donald L. Willis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Donald L. Willis. If this is you, claiming it is free.
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