William Maus, MD
NPI 1366543407 · Family Medicine Physician · Chaska, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1366543407
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30283 (MN)
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
19 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
1,386 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 | 208 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 178 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 98 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 87 | $16 |
| Hemoglobin A1c Level83036 | 81 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 76 | $127 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 368 | 103 |
| Atorvastatin Calcium | 300 | 79 |
| Lisinopril | 254 | 72 |
| Omeprazole | 213 | 43 |
| Levothyroxine Sodium | 211 | 61 |
| Metoprolol Succinate | 181 | 51 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2020-11-10
- Certified
- 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.