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JOHN CARLO MERCADO MD
NPI 1861889495
Emergency Medicine in Baton Rouge, LA

Active since April 21, 2015PECOS EnrolledAccepts Medicare Assignment
5000 HENNESSY BLVD, BATON ROUGE, LA 70808(225) 765-6565 Get Directions Write a Review

NPPES record last updated: May 23, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 11, 2018, Nov 9, 2015 (2 updates tracked since 2015).

About John Carlo Mercado Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN CARLO MERCADO MD (NPI 1861889495) is an individual emergency medicine provider in Baton Rouge, Louisiana, licensed in Georgia (80153) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1861889495
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOHN CARLO MERCADOCredential: MD
Location Address5000 HENNESSY BLVDBaton Rouge, LA 70808
Mailing Address5246 Brittany DrBaton Rouge, LA 70808-9136 · (225) 765-6565
Phone(225) 765-6565
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 21, 2015
Last NPPES UpdateMay 23, 20242 updates tracked since enumeration
NPPES CertifiedMay 23, 2024
✔ NPI 1861889495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in GA · 80153✔ Licensed in LA · 308621
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5000 HENNESSY BLVD, Baton Rouge, LA 70808
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CHRISTUS Health Plan, HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John Carlo Mercado Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032411533
PECOS Enrollment IDI20180720002778
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
79 services77 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
21 services21 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
20 services19 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

Ochsner Medical Center-Kenner

Acute Care Hospitals · Kenner, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190274
Location180 West Esplanade AvenueKenner, LA 70065 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. JESSICA LYNN BROUSSE NP
Nurse Practitioner
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 765-4050
CASEY M LEBLANC MPAS, PA-C
Physician Assistant
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 757-0552
DR. RAYMOND TUCKER PHD
Psychologist (Clinical)
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 765-6565
KEENAN JAMES BUIE
Student in an Organized Health Care Education/Training Program
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 281-0127
KEVIN PATRICK HAYNES JR. MD
Physical Medicine & Rehabilitation
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 765-8987
TAHA AHMED MD
Hospitalist
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 765-4050
DR. JON RICHARD JACKSON M.D.
Internal Medicine
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 765-4050
SERENA M AUNON-CHANCELLOR MD
Internal Medicine
5000 HENNESSY BLVD
BATON ROUGE, LA 70808
East Baton Rouge Parish (225) 757-4080

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mercado's NPI number?

The NPI number for John Mercado is 1861889495. It was assigned to this individual provider in the NPPES registry on April 21, 2015.

Where is John Mercado located?

John Mercado practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. The listed phone number is (225) 765-6565.

What is John Mercado's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is John Mercado enrolled in Medicare?

Yes. John Mercado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Mercado accept?

Health plans from CHRISTUS Health Plan and HMO Louisiana list John Mercado as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Mercado affiliated with any hospitals?

According to CMS data, John Mercado is affiliated with Ochsner Medical Center Acute and Ochsner Medical Center-Kenner.

When was this NPI record last updated?

The NPPES record for John Mercado was last updated on May 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.