Matthew J. Sebastian, DO

Medicare activity in 2024

Official CMS public-use data for Matthew J. Sebastian, 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)165 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)90 services
3. 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)65 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)28 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 cholesterol73%
• Diabetes40%
• Arthritis39%
• Chronic kidney disease32%
• Anxiety24%

Hospitals where Matthew J. Sebastian works

Medicare's Facility Affiliation Data lists Matthew J. Sebastian 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.

• Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
• Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
• Corewell Health Wayne HospitalWayne, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230142

Practice locations

Addresses where Matthew J. Sebastian is enrolled with Medicare (CMS data updated October 2, 2026).

• 201 3rd St, Suite 200Belleville, MI 48111 (734) 697‑9065

Group practices

Medicare enrollment lists Matthew J. Sebastian as a member of this group (CMS data updated October 2, 2026).

• Oakwood Ambulatory LLC274 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Michigan →

Other family doctors in Belleville

Clinicians with the same Medicare primary specialty in Belleville, MI — not a recommendation.

• Dana Achmar, MD
• Carl C. Sarnacki, MD
• Andrea E. Wudyka, MD
• Gavin M. Taylor, MD
• Badrea Elder, MD
• Amal Alqurneh, DO
• Elisa Kolk, MD
• Dana G. Kerges, MD

All family doctors in Belleville →

Other clinicians in Oakwood Ambulatory LLC

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

• Dana Achmar, MD
• Michael Francis, DO
• Michael V. Kurzawa, MD
• Jeremy F. Santamaria, MD
• Shari L. Maxwell, MD
• Andrea E. Wudyka, 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