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Dr. Jon Gray, MD

Dr. Jon Gray, MD

Internal Medicine
Willis-Knighton Physician Network

Office Locations

About Me

Jon Simon Gray, MD, is an internal medicine doctor at Bossier Internal Medicine Diagnostic and Treatment Clinic. He diagnoses and treats all kinds of illnesses of patients 18 and older. Dr. Gray has specialized training in infectious disease management and HIV care. His care philosophy of simple dialogue empowers patients with a shared understanding of their health condition and their treatment strategy.

Dr. Gray went to college at Ryerson University in Toronto, Ontario, Canada. He earned his medical degree at Saba University School of Medicine in the Caribbean. His internal medicine residency was at University of Maryland Medical Center Midtown Campus in Baltimore. Dr. Gray pursued specialty training with an infectious disease fellowship at University of Rochester’s Strong Memorial Hospital in New York. His professional affiliations include Infectious Disease Society of America, American College of Physicians and American Society of Tropical Medicine and Hygiene.  

Away from the clinic, Dr. Gray enjoys open water scuba diving and electric guitar. His languages include English and French, and he can communicate with patients in Spanish.  



  • Fellowship: Strong Memorial Hospital/NY
  • Residency: University of Maryland Midtown Campus
  • Internship: University of Maryland Midtown Campus
  • Medical School: Saba University School of Medicine

Insurance Accepted

Disclaimer: Not all physicians accept all insurance plans. Physicians move in and out of plans throughout the year. When you call for an appointment, confirm that the physician accepts your insurance.

AARP Medicare Supplemental Plans
Aetna Better Health of Louisiana
Aetna Coventry Advantra Louisiana
Aetna Coventry Medicare Dual Preferred
Aetna Medicare Freedom PPO
Amerihealth Caritas Louisiana
Beech Street (Multiplan)
Blue Cross/Blue Shield - PPO Preferred Care
Blue Cross/Blue Shield Federal Employees
Blue Cross/Blue Shield of Louisiana - HMO Louisiana
Blue Cross/Blue Shield OGB
Cigna HealthCare
Coventry Health Care (Aetna)
First Health
GEHA (Government Employees Health Association)
Health Plus of Louisiana
Humana Choice PPO
IMA of Louisiana
Louisiana Healthcare Connections
Louisiana Medicaid
Louisiana Medicaid CHIP
Mail Handler's Benefit Plan (Aetna)
Medicare Railroad
Medicare Traditional Part B
Mutual of Omaha Supplemental Plans
Novasys Health
PHCS (Private Healthcare Systems / Multiplan)
PPO Plus
Tricare for Life
Tricare Prime
Tricare Select / Standard
UMR (United Healthcare)
United Healthcare
United Healthcare Community Plan - Medicaid
Workers Compensation
People's Health
United Healthcare Dual Complete