Quick answers
- Does Sulaiman Alhassan accept Medicare assignment?
- Yes. Medicare's clinician data says Sulaiman Alhassan 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 Sulaiman Alhassan see?
- In 2024, CMS data shows 177 Original Medicare patients and 796 services for Sulaiman Alhassan. This counts Original Medicare only and measures volume, not quality.
- What is Sulaiman Alhassan's NPI number?
- 1043442486. 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 Sulaiman Alhassan, 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 | 177 |
|---|---|
| Services billed to Medicare | 796 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)287 services
- Critical care, first 30-74 minutes (99291)188 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)138 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)45 services
- Critical care, each additional 30 minutes (99292)45 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%
- Heart failure71%
- Diabetes63%
- COPD62%
- Arthritis58%
Hospitals where Sulaiman Alhassan works
Medicare's Facility Affiliation Data lists Sulaiman Alhassan 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.
- Sinai-Grace HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230024
Practice locations
Addresses where Sulaiman Alhassan is enrolled with Medicare (CMS data updated October 2, 2026).
- 6071 W Outer DrDetroit, MI 48235 (313) 966‑4946
Group practices
Medicare enrollment lists Sulaiman Alhassan as a member of this group (CMS data updated October 2, 2026).
- John Haapaniemiand Barry Lesser PTR, Haapaniemi Lesser Associated4 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Other clinicians in John Haapaniemiand Barry Lesser PTR, Haapaniemi Lesser Associated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043442486 |
| 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