Physician Profile
John Carlo Mercado, MD
Unclaimed ProfileAbout Dr. Mercado
John Carlo Mercado, MD is a healthcare provider in Baton Rouge, LA specializing in emergency medicine. Medicare claims data shows John provided 120 services to 117 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (225) 765-6565
- Email not available
Practice Locations
5000 HENNESSY BLVD
Baton Rouge, LA 70808
Procedures Most Often Billed to Medicare
120 services · 117 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
79 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
21 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other emergency medicines in Baton Rouge 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Mercado?
Dr. Mercado is an emergency medicine in Baton Rouge, LA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Mercado's address?
Dr. Mercado is listed at 5000 HENNESSY BLVD, Baton Rouge, LA 70808. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mercado?
The number on file is (225) 765-6565. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Mercado?
Dr. Mercado's National Provider Identifier is 1861889495. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mercado train?
Dr. Mercado attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mercado have?
Dr. Mercado has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mercado perform?
According to Medicare billing data, Dr. Mercado the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mercado's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mercado. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.