William Lutz, MD
NPI 1346237625 · Internal Medicine Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lutz, MD is a Internal Medicine Physician provider in Waukesha, WI (NPI 1346237625).
Provider details
- NPI number
- 1346237625
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 28551 (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
682 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 | 455 | $120 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 130 | $122 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 29 | $11 |
| Administration of Influenza Virus VaccineG0008 | 27 | $30 |
| X-Ray of Chest, 2 Views71046 | 18 | $22 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 12 | $194 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 583 | 164 |
| Atorvastatin Calcium | 552 | 156 |
| Pantoprazole Sodium | 370 | 99 |
| Levothyroxine Sodium | 369 | 88 |
| Amlodipine Besylate | 362 | 102 |
| Lisinopril | 305 | 88 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-03
- Last updated
- 2015-09-25
Frequently asked questions
- What is William Lutz's NPI number?
- William Lutz's National Provider Identifier (NPI) is 1346237625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lutz's specialty?
- William Lutz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Lutz located?
- William Lutz's practice location on file with NPPES is 2130 Big Bend Rd, Waukesha, WI 53189-7624.
- What is William Lutz's phone number?
- The practice phone number listed in the NPPES registry for William Lutz is (262) 928-7555.
- Does William Lutz accept Medicare?
- William Lutz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lutz's NPI active?
- Yes — William Lutz's NPI (1346237625) is active in the NPPES registry as of the last update on 2015-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.