John Russell Mercke Jr., MD
NPI 1821594763ActiveIndividual· Family Medicine· Leesville, LA
Family Medicine (MD) with Calcasieu Cameron Hospital Medicine Group LLC and 3 other groups, practicing in Leesville, Louisiana. 389 Medicare patients in 2024, $86,431 paid; nearly all of their 910 Part D prescriptions were generic (92%). Lists Christus St Frances Cabrini Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821594763 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2018 |
| Last updated in NPPES | Oct 8, 2021 |
| Certified by provider | Jul 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 328002 | LA |
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 - Family Practice (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 999 across 9 procedure codes |
| Paid by Medicare | $86,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 910 · 1,127 30-day fills |
|---|---|
| Patients | 307 |
| Total drug cost | $46,209 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Calcasieu Cameron Hospital Medicine Group LLCAlexandria, LA · 63 clinicians
- Central Louisiana Physicians, LLCAlexandria, LA · 54 clinicians
- Clhg-Oakdale LLCOakdale, LA · 38 clinicians
- Leatherwood Emergency Group LLCOakdale, LA · 13 clinicians
Hospital affiliations
- Christus St Frances Cabrini HospitalAlexandria, LA
- Oakdale Community HospitalOakdale, LA
- Rapides Regional Medical CenterAlexandria, LA
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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