Samer Mossallam, DO
NPI 1578545638ActiveIndividual· Obstetrics & Gynecology· Monroe, MI
Obstetrics & Gynecology (DO) in Monroe, Michigan, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $26,567 for 350 claims, against $15,733 paid for services in 2024. Astellas Pharma US Inc was the largest of 8 companies reporting payments in 2025, $375.74 in all, mostly food and beverage.
Overview
| NPI | 1578545638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 15, 2005 |
| Last updated in NPPES | Oct 1, 2025 |
| Certified by provider | Oct 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 5101012934 | 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 - Obstetrics/Gynecology (MI); Practitioner - Obstetrics/Gynecology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 222 across 34 procedure codes |
| Paid by Medicare | $15,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 350 · 672 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $26,567 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Ascension Medical Group PromedKalamazoo, MI · 262 clinicians
Hospital affiliations
- Promedica Monroe Regional HospitalMonroe, MI
- Promedica Toledo HospitalToledo, OH
Industry payments (Open Payments)
- 2025$375.74 · 16 payments from 8 companies
- 2024$218.83 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $101.34 | 4 |
| Hologic Sales and Service, LLC | $75.62 | 1 |
| Sage Therapeutics, LLC | $53.59 | 2 |
| Sumitomo Pharma America, Inc. | $48.06 | 3 |
| Novo Nordisk Inc | $44.10 | 2 |
What the 2025 payments were for
- Food and Beverage$375.74 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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