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

Dr. John Michael Smith Jr., MD

Individual provider Cardiovascular Disease Physician · NPI 1578753869

Dr. John Michael Smith Jr., MD is an Internal Medicine in Baton Rouge, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2005, 21 years ago. Practices with Cardiology Specialists of Acadiana, LLC, a 17-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
21
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2007
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

5825 Airline Hwy
Baton Rouge, LA 70805-2408
Phone: (225) 358-1065
Show map & directions

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

Additional practice locations (1)

  • 3311 Prescott Rd Ste 112, Alexandria, LA 71301-3917 — (318) 767-3346

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD.200953 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 200953 (LA)

Record details

NPI number1578753869
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 1, 2007
Last updated in NPPESAugust 11, 2025
Certification dateAugust 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2005 (21 years in practice)
Group practice Cardiology Specialists Of Acadiana, Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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