Doctor profile · Federal record
Dr. Donald Willis, M.D.
Urology Physician (CMS: Urology) · San Marcos, TX
- NPI 1316940372
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 43 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Redwood RD, Ste A
San Marcos, TX 786661423
(512) 396-4400
fax (512) 396-4403
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- July 6, 2010
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- Texas #G5783
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316940372. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
727
Distinct HCPCS
9
Medicare allowed
$117,149
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 200 | 152 | $123 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 193 | 136 | $171 | |
J9217 |
Leuprolide acetate (for depot suspension), 7.5 mg | 105 | 12 | $171 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 86 | 86 | $211 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 63 | 59 | $230 | |
76856 |
Complete ultrasound scan of pelvis | 25 | 17 | $102 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 24 | $87 | |
55700 |
Biopsy of prostate gland | 15 | 15 | $231 | |
76942 |
Ultrasonic guidance for needle placement | 15 | 15 | $56 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 80. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$456
Transactions
5
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 5 | $456.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,427
Patients
489
Total drug cost
$97,751
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 518 | 142 | $12,831 |
| Finasteride | Generic | 238 | 64 | $3,938 |
| Oxybutynin Chloride Er (Oxybutynin Chloride) | Brand | 108 | 32 | $3,958 |
| Alfuzosin Hcl Er (Alfuzosin Hcl) | Brand | 100 | 30 | $3,098 |
| Ciprofloxacin Hcl | Generic | 85 | 77 | $471 |
| Myrbetriq (Mirabegron) | Brand | 72 | 18 | $55,362 |
| Estradiol | Generic | 50 | 27 | $4,221 |
| Solifenacin Succinate | Generic | 49 | 12 | $2,445 |
| Bicalutamide | Generic | 47 | 13 | $1,994 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 42 | 24 | $1,375 |
Hospital affiliations
Frequently asked questions
What is Dr. Donald Willis's medical specialty?
Dr. Donald Willis practices Urology Physician in San Marcos, TX.
Where does Dr. Donald Willis practice?
Dr. Donald Willis practices at 1601 Redwood RD, San Marcos, TX 786661423. Office phone: 5123964400.
What is Dr. Donald Willis's NPI?
Dr. Donald Willis's National Provider Identifier (NPI) is 1316940372, issued by NPPES.
Does Dr. Donald Willis accept Medicare assignment?
Yes. Dr. Donald Willis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Willis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS J9217). Source: CMS Medicare Physician & Other Practitioners file.