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

Mark Douglas Porta Jr.

Individual provider Internal Medicine Physician · NPI 1275890436

Mark Douglas Porta Jr. is an Internal Medicine in Shreveport, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2012, 14 years ago. Practices with Lsuhn Billing LLC, a 199-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
14
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2012
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Practice location Address checks out

1501 Kings Hwy Lsuhsc Dept OF Gastroenterology
Shreveport, LA 71130
Phone: (318) 813-2502
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 206897 (LA)

Record details

NPI number1275890436
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 12, 2012
Last updated in NPPESJuly 30, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE, GASTROENTEROLOGY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2012 (14 years in practice)
Group practice Lsuhn Billing Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Shreveport