Sulaiman Alhassan, M.D.
NPI 1043442486ActiveIndividual· Internal Medicine· Detroit, MI
Internal Medicine (M.D.) with John Haapaniemiand Barry Lesser Ptr,haapaniemi Lesser Associated, practicing in Detroit, Michigan. Their prescriptions cost Medicare Part D more than their services did: $280,903 for 981 claims, against $79,822 paid for services in 2024. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $257.05 in all, mostly food and beverage. Lists Sinai-Grace Hospital as a hospital affiliation.
Overview
| NPI | 1043442486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2009 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301094246 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 796 across 19 procedure codes |
| Paid by Medicare | $79,822 |
Part D prescriptions in 2024
| Prescriptions (claims) | 981 · 1,135 30-day fills |
|---|---|
| Patients | 111 |
| Total drug cost | $280,903 |
| Generic share | 30% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- John Haapaniemiand Barry Lesser Ptr,haapaniemi Lesser AssociatedDetroit, MI · 4 clinicians
Hospital affiliation
- Sinai-Grace HospitalDetroit, MI
Industry payments (Open Payments)
- 2025$257.05 · 5 payments from 2 companies
- 2024$144.35 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $224.00 | 3 |
| Glaxosmithkline, LLC. | $33.05 | 2 |
What the 2025 payments were for
- Food and Beverage$257.05 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 750 internal medicine physicians in Detroit · All internal medicine physicians in Michigan