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

Austin Trevor Williams, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1265994222

Austin Trevor Williams, MD is a Family Practice in Marksville, Louisiana. Graduated from Louisiana State University School of Medicine in Shreveport in 2019, 7 years ago. Practices with Derussy Emergency Group LLC, a 14-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
7
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
LA
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

597 Tunica Dr W
Marksville, LA 71351-2628
Phone: (318) 253-0677
Fax: (318) 253-0679
Show map & directions

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

Additional practice locations (1)

  • 1541 Kings Highway, Shreveport, LA 71130-3932 — (318) 626-0014

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 328634 (LA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1265994222
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2019
Last updated in NPPESNovember 17, 2022
Certification dateNovember 17, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 2019 (7 years in practice)
Group practice Derussy Emergency Group Llc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare