Bret Pasiuk, M.D.
NPI 1447242490 · Nephrology Physician · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bret Pasiuk, M.D. is a Nephrology Physician provider in Fond Du Lac, WI (NPI 1447242490).
Provider details
- NPI number
- 1447242490
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61078 (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
21 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
797 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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 213 | $326 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 189 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $120 |
| 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 | 111 | $15 |
| 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 | 94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 357 | 107 |
| Lisinopril | 114 | 37 |
| Furosemide | 106 | 39 |
| Amlodipine Besylate | 103 | 36 |
| Carvedilol | 70 | 26 |
| Potassium Chloride | 61 | 17 |
| Hydrochlorothiazide | 57 | 18 |
| Allopurinol |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2020-10-26
- Certified
- 2020-10-26
Frequently asked questions
- What is Bret Pasiuk's NPI number?
- Bret Pasiuk's National Provider Identifier (NPI) is 1447242490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bret Pasiuk's specialty?
- Bret Pasiuk is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Bret Pasiuk located?
- Bret Pasiuk's practice location on file with NPPES is 305 Camelot Drive, Fond Du Lac, WI 54935-3871.
- What is Bret Pasiuk's phone number?
- The practice phone number listed in the NPPES registry for Bret Pasiuk is (920) 923-2333.
- Does Bret Pasiuk accept Medicare?
- Bret Pasiuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bret Pasiuk's NPI active?
- Yes — Bret Pasiuk's NPI (1447242490) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.