James L. Napier Jr., MD

Medicare activity in 2024

Official CMS public-use data for James L. Napier Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)475 services
2. 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's (G2211)281 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)137 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)106 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)90 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis55%
• Chronic kidney disease36%
• Depression34%
• Diabetes31%

Hospitals where James L. Napier Jr. works

Medicare's Facility Affiliation Data lists James L. Napier Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Aurora BayCare Medical CenterGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520193
• Aurora Medical Center Bay AreaMarinette, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520113
• Aurora Medical Center Manitowoc CountyTwo Rivers, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520034
• Bellin Memorial HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520049
• St Vincent HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520075

Practice locations

Addresses where James L. Napier Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
• 2845 Greenbrier RdGreen Bay, WI 54311 (920) 288‑8000
• 2890 Lineville RdGreen Bay, WI 54313 (920) 662‑2100

Group practices

Medicare enrollment lists James L. Napier Jr. as a member of these groups (CMS data updated October 2, 2026).

• Aurora Medical Group, Inc.3,813 clinicians in the group
• BayCare Aurora LLC194 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Wisconsin →

Other neurologists in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

• Marek Cierny, MD
• Bernd F. Remler, MD
• Brandon L. Overholt, DO
• Brian-Fred M. Fitzsimmons, MD
• Mohammad Abdul Azeem, MD
• Thulasirman P. Ravichandran, MD
• Kelsey Andrews, MD
• Rizwanullah Arain, MD

All neurologists in Milwaukee →

Other clinicians in Aurora Medical Group, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Melissa Whitehouse, PA
• Cynthia M. Williams, NP
• Mohd N. Mohiuddin, MD
• Eyob A. Tadesse, MD
• Mirela Sturzu, MD
• Jessica A. Mee, NP

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians