Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Carlo Mercado, MD

Individual provider Emergency Medicine Physician · NPI 1861889495

John Carlo Mercado, MD is an Emergency Medicine in Baton Rouge, Louisiana. Qualified in 2015, 11 years ago. Practices with Kenner Emergency Group LLC, a 49-clinician group and accepts Medicare assignment. Licensed in Georgia and Louisiana.

Years since qualifying
11
Licensed in
GA, LA
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5000 Hennessy Blvd
Baton Rouge, LA 70808
Phone: (225) 765-6565
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 80153 (GA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 308621 (LA)

Record details

NPI number1861889495
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 21, 2015
Last updated in NPPESMay 23, 2024
Certification dateMay 23, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Kenner Emergency Group Llc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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