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Our Doctors
Maureen Olivier, M.D. Clinical Trials of SWLA

Maureen Olivier, M.D.

 A board certified dermatologist and member of the American Academy of Dermatology, has  practiced medicine in the Lake Area for over 30 years.  Raised in New Orleans, she attended University of New Orleans for her undergraduate degree and received her medical degree from Tulane University. She completed her residency at Charity Hospital in New Orleans.  

Mohammad Khan, M.D. Clinical Trials of SWLA
Mohammad Khan, M.D.

A board certified physician in Internal Medicine and Medical Oncology. 
Dr. Khan recently returned to the Lake Charles Medical Community after practicing hematology and oncology in Houston for the past four years. He served as the Assistant Professor of Medicine in the Division of Oncology at the University of Texas. He was also the head of the Neurological Oncology, Head and Neck Cancer and Thoracic Oncology divisions for UT Medical School at Houston Medical Center, conducting research, treating oncology patients and training physicians who are now practicing at the medical center. Dr. Khan will continue his academic affiliation with UT Medical School at Houston Medical Center as he resumes his practice in Lake Charles. Dr. Khan is also a member of the CHRISTUS St. Patrick Hospital Medical Staff. 

Kelly Calloway, N.P. Clinical Trials of SWLA
Kelly Calloway, N.P.

A family nurse practitioner, who is also certified in dermatology. She has worked as a Medical/Surgical and I.C.U. registered nurse.  A Lake Charles native, she  is  a honors graduate from McNeese State University, where she received her bachelors and masters of science in nursing. She is a member of the American Academy of Nurse Practitioners, the Dermatology Nurse's Association, and the National Academy of Dermatology Nurse Practitioners.

Ricardo McCall, M.D. Clinical Trials of SWLA
Ricardo McCall, M.D.

Dr. McCall graduated from the Louisiana State University School of Medicine at Shreveport in 1992. Has been in practice for over 17 years, conducts clinical trials in Gastroenterology. 

Richard Sanders, M.D. Clinical Trials of SWLA
Richard Sanders, M.D.

A board-certified family medicine physician with over 30 years of experience. He earned a medical degree from the University of Arkansas College of Medicine in Little Rock. He completed an internship at Touro Infirmary in New Orleans and a residency in family medicine at W.O. Moss Regional Hospital in Lake Charles. Dr. Sanders was in private practice in Creole, Louisiana for 25 years before Hurricane Rita struck the Southwest Louisiana coast in 2005.  He's been practicing medicine in the Moss Bluff area since that time. 

Gregory Richard, M.D. Clinical Trials of SWLA
Gregory Richard, M.D.

Originally from Eunice, Louisiana, Dr. Richard received his undergraduate degree from Louisiana State University in Baton Rouge. He earned his medical degree from LSU School of Medicine in Shreveport. He completed a four year residency in Ophthalmology at the University of Mississippi Medical Center in Jackson, Mississippi. Dr. Richard specializes in the medical and surgical treatment of eye diseases and disorders. He is skilled in all phases of medical and surgical Ophthalmology, including Cataract Surgery, Lasik Surgery, Glaucoma, Macular Degeneration and Diabetic Retinopathy.

Our Practice


Founded in 2015 we have already successfully completed several clinical trials that range in length from one month to full year trials. Our site is available to handle patient visits from fifteen minutes to eight hour stays. With recliners and televisions in all patient rooms safety, privacy and comfort are priority.


Latest Clinic News:


Approval Of New Trial



We have just received site approval on yet another trial making this the eighth trial already awarded to us for the upcoming year!


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