Doctor profile · Federal record
Dr. John Mercado, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Baton Rouge, LA
- NPI 1861889495
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5000 Hennessy Blvd
Baton Rouge, LA 70808
(225) 765-6565 - Mailing address
-
5246 Brittany Dr
Baton Rouge, LA 708089136
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- May 23, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Georgia #80153 · Louisiana #308621
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861889495. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
146
Distinct HCPCS
3
Medicare allowed
$24,844
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 82 | 81 | $176 | |
99284 |
Emergency department visit with moderate level of medical decision making | 35 | 35 | $121 | |
99291 |
Critical care, first 30-74 minutes | 29 | 29 | $213 |
In context: peer comparison
Among 60 peers in Baton Rouge Emergency Medicine Physician, average services per provider: 94. This provider delivers 1.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
58
Patients
57
Total drug cost
$517
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefdinir | Generic | 21 | 20 | $296 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $85 |
| Ibuprofen | Generic | 12 | 12 | $78 |
| Methocarbamol | Generic | 12 | 12 | $58 |
Frequently asked questions
What is Dr. John Mercado's medical specialty?
Dr. John Mercado practices Emergency Medicine Physician in Baton Rouge, LA.
Where does Dr. John Mercado practice?
Dr. John Mercado practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Office phone: 2257656565.
What is Dr. John Mercado's NPI?
Dr. John Mercado's National Provider Identifier (NPI) is 1861889495, issued by NPPES.
Does Dr. John Mercado accept Medicare assignment?
Yes. Dr. John Mercado accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mercado commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.