Quick answers
- Does Zakwan Mahjoub accept Medicare assignment?
- Yes. Medicare's clinician data says Zakwan Mahjoub 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 Zakwan Mahjoub see?
- In 2024, CMS data shows 1,618 Original Medicare patients and 9,534 services for Zakwan Mahjoub. This counts Original Medicare only and measures volume, not quality.
- What is Zakwan Mahjoub's NPI number?
- 1316916729. 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 Zakwan Mahjoub, 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 | 1,618 |
|---|---|
| Services billed to Medicare | 9,534 |
| Different services or procedures | 95 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,289 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,203 services
- Injection, regadenoson, 0.1 mg (J2785)920 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)738 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)614 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%
- Arthritis53%
- Ischemic heart disease52%
- Diabetes42%
- Atrial fibrillation41%
Hospitals where Zakwan Mahjoub works
Medicare's Facility Affiliation Data lists Zakwan Mahjoub 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 - 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
- Henry Ford Health Warren HospitalWarren, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230195
Practice locations
Addresses where Zakwan Mahjoub is enrolled with Medicare (CMS data updated October 2, 2026).
- 1101 W University DrRochester, MI 48307
- 1101 W University Dr, Crittenton CenterRochester Hills, MI 48307 (248) 652‑5000
- 42755 Mound RdSterling Heights, MI 48314 (586) 323‑0400
- 811 S Blvd E, Suite 105Rochester Hills, MI 48307
Group practices
Medicare enrollment lists Zakwan Mahjoub as a member of these groups (CMS data updated October 2, 2026).
- Henry Ford Health Rochester Hospital112 clinicians in the group
- Associates in Family Practice PLLC7 clinicians in the group
- Michigan Imaging Group PC2 clinicians in the group
Specialties
- Internal Medicineprimary
- Interventional Cardiologyalso
Other internal medicine doctors in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MI — not a recommendation.
Other clinicians in Henry Ford Health Rochester Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316916729 |
| 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