Quick answers
- Does Mazin P. Yonan accept Medicare assignment?
- Yes. Medicare's clinician data says Mazin P. Yonan 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 Mazin P. Yonan see?
- In 2024, CMS data shows 175 Original Medicare patients and 2,613 services for Mazin P. Yonan. This counts Original Medicare only and measures volume, not quality.
- What is Mazin P. Yonan's NPI number?
- 1801888904. 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 Mazin P. Yonan, 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 | 175 |
|---|---|
| Services billed to Medicare | 2,613 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)873 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)389 services
- 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)347 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)223 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)140 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 cholesterol74%
- Arthritis63%
- Diabetes59%
- Ischemic heart disease47%
- Chronic kidney disease38%
Hospitals where Mazin P. Yonan works
Medicare's Facility Affiliation Data lists Mazin P. Yonan 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 - Grosse PointeGrosse Pointe, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230089
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
Practice locations
Addresses where Mazin P. Yonan is enrolled with Medicare (CMS data updated October 2, 2026).
- 2221 Livernois Rd, Suite 100Troy, MI 48083 (248) 250‑9474
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Troy
Clinicians with the same Medicare primary specialty in Troy, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801888904 |
| 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