William F. Oppat, MD

Medicare activity in 2024

Official CMS public-use data for William F. Oppat, 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 low level od decision making, if using time, 20 minutes or more (99213)327 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)104 services
3. Complete ultrasound study of arm and leg arteries (93923)92 services
4. Ultrasound of both sides of head and neck blood flow (93880)87 services
5. Ultrasound study of arm or leg veins with compression and maneuvers (93970)69 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%
• Arthritis59%
• Ischemic heart disease48%
• Diabetes42%
• Chronic kidney disease32%

Hospitals where William F. Oppat works

Medicare's Facility Affiliation Data lists William F. Oppat 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 Hospital, Southfield and NoviSouthfield, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230019
• Ascension Providence Rochester HospitalRochester, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230254
• Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230053

Practice locations

Addresses where William F. Oppat is enrolled with Medicare (CMS data updated October 2, 2026).

• 26850 Providence Pkwy, Suite 405Novi, MI 48374 (248) 465‑4820

Group practices

Medicare enrollment lists William F. Oppat as a member of this group (CMS data updated October 2, 2026).

• Comprehensive Vascular Care PC4 clinicians in the group

Specialties

• Vascular Surgeryprimary

Find other Vascular Surgery doctors in Michigan →

Other vascular surgeons in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

• Satvik Jhamb, MD
• William R. Ranger, MD
• Anton A. Sharapov, MD
• Jennifer M. Baker, MD
• Sadiq Hussain, MD
• Nicolas J. Mouawad, MD
• Zachary Virgin, DO
• Adnan H. Matta, MD

All vascular surgeons in Michigan →

Other clinicians in Comprehensive Vascular Care PC

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

• Kevin D. Nolan, MD

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