Brian Frederick, M.D.
NPI 1992025605 · Hospitalist Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Frederick, M.D. is a Hospitalist Physician provider in Eau Claire, WI (NPI 1992025605).
Provider details
- NPI number
- 1992025605
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61029-20 (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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
906 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 490 | $109 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 99 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 93 | $73 |
| Advance Care Planning, First 30 Minutes99497 | 89 | $70 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 57 | $28 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 34 | — |
| Furosemide | 31 | 16 |
| Atorvastatin Calcium | 30 | — |
| Apixabanbrand: Eliquis | 30 | 14 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 29 | — |
| Metoprolol Succinate | 27 | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 700 S Park StMadison, WI 53715-1830Phone: (608) 251-6100Fax: (608) 258-6259
Registry dates
- Enumerated
- 2010-06-03
- Last updated
- 2022-10-04
- Certified
- 2022-10-04
Frequently asked questions
- What is Brian Frederick's NPI number?
- Brian Frederick's National Provider Identifier (NPI) is 1992025605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Frederick's specialty?
- Brian Frederick is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Frederick located?
- Brian Frederick's practice location on file with NPPES is 1221 Whipple St, Eau Claire, WI 54703-5200.
- What is Brian Frederick's phone number?
- The practice phone number listed in the NPPES registry for Brian Frederick is (715) 838-5222.
- Does Brian Frederick accept Medicare?
- Brian Frederick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Frederick's NPI active?
- Yes — Brian Frederick's NPI (1992025605) is active in the NPPES registry as of the last update on 2022-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.