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

Dr. Lauren Mestayer Barfield, MD

Individual provider Internal Medicine Physician · NPI 1437341252

Dr. Lauren Mestayer Barfield, 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 Our Lady of the Lake Physician Group LLC, a 635-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
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

7777 Hennessy Blvd Ste 7000
Baton Rouge, LA 70808-4300
Phone: (225) 765-8829
Fax: (225) 765-8283
Show map & directions

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

Additional practice locations (1)

  • 7777 Hennessy Blvd Ste 1000, Baton Rouge, LA 70808-4370 — (225) 767-3900

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD200981 (LA)

Record details

NPI number1437341252
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 15, 2007
Last updated in NPPESJanuary 7, 2021
Certification dateJanuary 7, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2005 (21 years in practice)
Group practice Our Lady Of The Lake Physician Group Llc — 635 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Baton Rouge