John Carlo Mercado, MD
NPI 1861889495ActiveIndividual· Emergency Medicine· Baton Rouge, LA
Emergency Medicine (MD) with Belle Chasse Emergency Group LLC and 1 other group, practicing in Baton Rouge, Louisiana. 116 Medicare patients in 2024, $16,036 paid; nearly all of their 227 Part D prescriptions were generic (90%). Lists Ochsner Medical Center Acute and 1 other hospital as hospital affiliations.
Overview
| NPI | 1861889495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 21, 2015 |
| Last updated in NPPES | May 23, 2024 |
| Certified by provider | May 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 80153 | GA |
| Emergency Medicine | 207P00000X | 308621 | LA |
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 (GA); Practitioner - Emergency Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 129 across 8 procedure codes |
| Paid by Medicare | $16,036 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 229 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $7,492 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Belle Chasse Emergency Group LLCNew Orleans, LA · 100 clinicians
- Kenner Emergency Group LLCKenner, LA · 56 clinicians
Hospital affiliations
- Ochsner Medical Center AcuteNew Orleans, LA
- Ochsner Medical Center-KennerKenner, 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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All 183 emergency medicine physicians in Baton Rouge · All emergency medicine physicians in Louisiana