Thomas Fabricius, MD
NPI 1861475592 · Family Medicine Physician · Fond Du Lac, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Fabricius, MD is a Family Medicine Physician provider in Fond Du Lac, WI (NPI 1861475592).
Provider details
- NPI number
- 1861475592
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 45809 (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
362 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $61 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 52 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $121 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $120 |
| 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 348 | 129 |
| Amlodipine Besylate | 216 | 77 |
| Levothyroxine Sodium | 213 | 65 |
| Losartan Potassium | 201 | 74 |
| Rosuvastatin Calcium | 196 | 70 |
| Simvastatin | 187 | 65 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Thomas Fabricius's NPI number?
- Thomas Fabricius's National Provider Identifier (NPI) is 1861475592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Fabricius's specialty?
- Thomas Fabricius is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Fabricius located?
- Thomas Fabricius's practice location on file with NPPES is 420 E Division St, Fond Du Lac, WI 54935-4560.
- What is Thomas Fabricius's phone number?
- The practice phone number listed in the NPPES registry for Thomas Fabricius is (920) 926-8200.
- Does Thomas Fabricius accept Medicare?
- Thomas Fabricius is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Fabricius's NPI active?
- Yes — Thomas Fabricius's NPI (1861475592) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.