Doctor profile · Federal record

Dr. Steven Thoma, M.D.

Urology Physician (CMS: Urology) · Ames, IA

  • NPI 1598021131
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1215 Duff Ave
Ames, IA 50010
(515) 239-4490
fax (515) 239-4771

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
March 2, 2026
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
Iowa #44576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598021131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,573
Distinct HCPCS
10
Medicare allowed
$140,974
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 334 236 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 326 221 $91
52000 Diagnostic exam of bladder and urethra using an endoscope 144 132 $73
51798 Ultrasound measurement of bladder capacity after voiding 118 87 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 76 61 $111
52442 Insertion of implant in urethra within prostate gland using an endoscope, each additional implant 72 17 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 72 57 $83
99204 New patient office or other outpatient visit, 45-59 minutes 71 71 $124
99203 New patient office or other outpatient visit, 30-44 minutes 59 59 $77
52287 Exam with injections of chemical for destruction of bladder using an endoscope 37 30 $150

In context: peer comparison

Among 2 peers in Ames Urology Physician, average services per provider: 132. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$378
Transactions
17
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Urogen Pharma, INC. 4 $69.95
Procept BioRobotics Corporation 1 $68.07
Teleflex LLC 2 $54.93
Coloplast Corp 2 $36.74
Sumitomo Pharma America, INC. 2 $31.01
Conmed Corporation 1 $24.97
Dendreon Pharmaceuticals LLC 1 $24.81
Janssen Biotech, INC. 1 $18.45
Axonics, INC. 1 $16.65
Tolmar, INC. 1 $16.14
Laborie Medical Technologies Corp. 1 $16.04

By nature of payment

Food and Beverage
$378

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,884
Patients
574
Total drug cost
$210,135
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 573 140 $7,387
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 242 56 $5,843
Gemtesa (Vibegron) Brand 182 25 $90,819
Myrbetriq (Mirabegron) Brand 173 40 $88,109
Finasteride Generic 157 45 $2,274
Ciprofloxacin Hcl Generic 155 104 $1,223
Nitrofurantoin (Nitrofurantoin Macrocrystal) Brand 131 25 $4,210
Cephalexin Generic 71 53 $483
Oxybutynin Chloride Generic 44 24 $868
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 44 24 $395

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Thoma's medical specialty?
Dr. Steven Thoma practices Urology Physician in Ames, IA.
Where does Dr. Steven Thoma practice?
Dr. Steven Thoma practices at 1215 Duff Ave, Ames, IA 50010. Office phone: 5152394490.
What is Dr. Steven Thoma's NPI?
Dr. Steven Thoma's National Provider Identifier (NPI) is 1598021131, issued by NPPES.
Does Dr. Steven Thoma accept Medicare assignment?
Yes. Dr. Steven Thoma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Thoma commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Diagnostic exam of bladder and urethra using an endoscope (HCPCS 52000). Source: CMS Medicare Physician & Other Practitioners file.