Steven Thoma, M.D.
NPI 1598021131 · Urology Physician · Ames, IA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Thoma, M.D. is a Urology Physician provider in Ames, IA (NPI 1598021131).
Provider details
- NPI number
- 1598021131
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 44576 (IA)
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
14 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
1,533 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 320 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 288 | $61 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 142 | $10 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 114 | $72 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 576 | 139 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 219 | 57 |
| Finasteride | 216 | 51 |
| Vibegronbrand: Gemtesa | 191 | 33 |
| Ciprofloxacin Hcl | 176 | 126 |
| Mirabegronbrand: Myrbetriq | 155 | 35 |
| Nitrofurantoin Macrocrystalbrand: Nitrofurantoin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$378 across 17 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
- 2012-04-09
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Steven Thoma's NPI number?
- Steven Thoma's National Provider Identifier (NPI) is 1598021131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Thoma's specialty?
- Steven Thoma is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Thoma located?
- Steven Thoma's practice location on file with NPPES is 1215 Duff Ave, Ames, IA 50010.
- What is Steven Thoma's phone number?
- The practice phone number listed in the NPPES registry for Steven Thoma is (515) 239-4490.
- Does Steven Thoma accept Medicare?
- Steven Thoma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Thoma's NPI active?
- Yes — Steven Thoma's NPI (1598021131) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.