Marcus Ma, MD
NPI 1336102847ActiveIndividual· Emergency Medicine· Toledo, OH
Emergency Medicine (MD) with Green Valley Emergency Physicians, LLC and 1 other group, practicing in Toledo, Ohio. 236 Medicare patients in 2024, $23,164 paid; nearly all of their 245 Part D prescriptions were generic (97%). Lists Garden City Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336102847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2006 |
| Last updated in NPPES | Aug 17, 2026 |
| Certified by provider | Aug 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 35.074098 | OH |
| Emergency Medicine | 207P00000X | 15858C | WY |
| Emergency Medicine | 207P00000X | MD17582 | ME |
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 - Emergency Medicine (IL); Practitioner - Emergency Medicine (IN); Practitioner - Emergency Medicine (KY); Practitioner - Emergency Medicine (ME); Practitioner - Emergency Medicine (MI); Practitioner - Emergency Medicine (OH); Practitioner - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 236 |
|---|---|
| Services billed | 324 across 11 procedure codes |
| Paid by Medicare | $23,164 |
Part D prescriptions in 2024
| Prescriptions (claims) | 245 · 247 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $3,606 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Green Valley Emergency Physicians, LLCPaducah, KY · 36 clinicians
- Emergency Medicine Physicians of Lake County LtdWilloughby, OH · 14 clinicians
Hospital affiliations
- Garden City HospitalGarden City, MI
- Harlan Arh HospitalHarlan, KY
- Lake HealthConcord, OH
- Middlesboro Arh HospitalMiddlesboro, KY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 219 emergency medicine physicians in Toledo · All emergency medicine physicians in Ohio