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

Dr. Merrill Harpe Stewart III, MD

Individual provider Cardiovascular Disease Physician · NPI 1679830111

Dr. Merrill Harpe Stewart III, MD is a Cardiovascular Disease (Cardiology) in New Orleans, Louisiana. Graduated from University of Alabama School of Medicine in 2012, 14 years ago. Practices with Ochsner Clinic LLC, a 2,842-clinician group and accepts Medicare assignment. Licensed in Louisiana and Mississippi.

Years since qualifying
14
Trained at
University of Alabama School of Medicine
Licensed in
LA, MS
In the registry since
2012
Specialties on file
3
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

1514 Jefferson Highway Ochsner Clinic Foundation - Cardiology Fellowship Progr
New Orleans, LA 70121
Phone: (504) 842-0879
Fax: (504) 842-3278
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD.207586 (LA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 25729 (MS)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (LA)

Record details

NPI number1679830111
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2012
Last updated in NPPESAugust 6, 2021
Certification dateAugust 6, 2021

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Ochsner Clinic Llc — 2842 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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