Quick answers
- Does William J. Nazzaro Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Nazzaro Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does William J. Nazzaro Iii see?
- In 2024, CMS data shows 1,670 Original Medicare patients and 4,300 services for William J. Nazzaro Iii. This counts Original Medicare only and measures volume, not quality.
- What is William J. Nazzaro Iii's NPI number?
- 1306008586. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for William J. Nazzaro Iii, 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.
| Original Medicare patients | 1,670 |
|---|---|
| Services billed to Medicare | 4,300 |
| Different services or procedures | 55 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,100 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)473 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)460 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)364 services
- Injection, regadenoson, 0.1 mg (J2785)304 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%
- Ischemic heart disease60%
- Arthritis58%
- Heart failure48%
- Diabetes45%
Hospitals where William J. Nazzaro Iii works
Medicare's Facility Affiliation Data lists William J. Nazzaro Iii 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.
- Ascension Providence Rochester HospitalRochester, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230254
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230165
- Henry Ford Health Warren HospitalWarren, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230195
- Henry Ford Macomb HospitalClinton Township, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230047
Practice locations
Addresses where William J. Nazzaro Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1101 W University DrRochester, MI 48307
- 1101 W University Dr, Crittenton CenterRochester Hills, MI 48307 (248) 652‑5000
- 11800 E 12 Mile RdWarren, MI 48093 (586) 573‑5000
- 15855 19 Mile RdClinton Township, MI 48038 (586) 263‑2300
- 27351 Dequindre RdMadison Heights, MI 48071 (248) 967‑7000
Group practices
Medicare enrollment lists William J. Nazzaro Iii as a member of these groups (CMS data updated October 2, 2026).
- Henry Ford Macomb Hospital Corporation355 clinicians in the group
- Henry Ford Health Macomb Oakland Hospital172 clinicians in the group
- Henry Ford Health Rochester Hospital112 clinicians in the group
- Cardiovascular Consultants PC10 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MI — not a recommendation.
Other clinicians in Henry Ford Macomb Hospital Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306008586 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians