Michael Rentzepis, MD
NPI 1184603037 · Urology Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Rentzepis, MD is a Urology Physician provider in Eau Claire, WI (NPI 1184603037).
Provider details
- NPI number
- 1184603037
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39683 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
662 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 304 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 76 | $16 |
| Imaging of Urinary Tract Following Injection of a Contrast Agent74420 | 68 | $24 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 66 | $76 |
| Insertion of Stent in Ureter Using an Endoscope52332 | 54 | $150 |
| Biopsy of Prostate Gland |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 280 | 79 |
| Finasteride | 137 | 39 |
| Ciprofloxacin Hcl | 49 | 37 |
| Tramadol Hcl | 40 | 38 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 40 | 36 |
| Cefdinir | 39 | 33 |
| Levofloxacin | 29 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-10
- Last updated
- 2020-09-14
- Certified
- 2020-09-14
Frequently asked questions
- What is Michael Rentzepis's NPI number?
- Michael Rentzepis's National Provider Identifier (NPI) is 1184603037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Rentzepis's specialty?
- Michael Rentzepis is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Rentzepis located?
- Michael Rentzepis's practice location on file with NPPES is 1400 Bellinger St, Eau Claire, WI 54703-5222.
- What is Michael Rentzepis's phone number?
- The practice phone number listed in the NPPES registry for Michael Rentzepis is (715) 838-5222.
- Does Michael Rentzepis accept Medicare?
- Michael Rentzepis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Rentzepis's NPI active?
- Yes — Michael Rentzepis's NPI (1184603037) is active in the NPPES registry as of the last update on 2020-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.