Melissa O'Ryan Mekesa, M.D.
NPI 1083908602ActiveIndividual· Emergency Medicine· Marion, OH
Emergency Medicine (M.D.) with Flowers Hb Medical Services LLC and 3 other groups, practicing in Marion, Ohio. 171 Medicare patients in 2024, $19,151 paid; nearly all of their 224 Part D prescriptions were generic (94%). Lists Santa Rosa Medical Center as a hospital affiliation.
Overview
| NPI | 1083908602 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 31, 2011 |
| Last updated in NPPES | Mar 2, 2021 |
| Certified by provider | Mar 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | ME149190 | FL |
| Emergency Medicine | 207P00000X | 35-121848 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (AL); Practitioner - Emergency Medicine (FL); Practitioner - Family Practice (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 229 across 13 procedure codes |
| Paid by Medicare | $19,151 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 229 30-day fills |
|---|---|
| Patients | 125 |
| Total drug cost | $2,495 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Family Practice |
Medical groups
- Flowers Hb Medical Services LLCDothan, AL · 145 clinicians
- Santa Rosa Hb Medical Services LLCMelbourne, FL · 35 clinicians
- Md4er LLCKey West, FL · 13 clinicians
- Nw Florida Emergency Physicians LLCPace, FL · 13 clinicians
Hospital affiliation
- Santa Rosa Medical CenterMilton, FL
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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