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Mark R. Mainous, MD

Dr. Mark R. Mainous, MD

General Surgery
Willis-Knighton Physician Network

Office Locations



  • Medical School: University of Mississippi
  • Internship: LSUHSC Shreveport School of Medicine
  • Fellowship: LSUHSC Shreveport School of Medicine
  • Residency: LSUHSC Shreveport School of Medicine
  • Residency: University of Texas Medical Branch Hospitals
  • Fellowship: Johns Hopkins University Hospital

Board Certifications

  • American Board of Surgery: General Surgery

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
Healthy Blue
People's Health
United Healthcare Dual Complete

Conditions Treated

Lung Cancer
Liver Cancer
Partial Lung Collapse
Intestinal Abscess
Ductal Carcinoma in Situ
Incisional Hernia
Ulcerative Colitis
Anorectal Abscess
Capsular Contracture of Breast Implant
Varicose Veins
Inguinal Hernia
Inflammatory Bowel Disease
Benign Neoplasm of the Digestive System
Pleural Effusion
Thoracic Outlet Syndrome
Ventral Hernia
Barrett's Esophagus
Diaphragmatic and-or Hiatal Hernia
Soft Tissue Sarcoma
Intestinal Obstruction
Thyroid Nodule
Ruptured Aortic Aneurysm
Peripheral Vascular Disease (PAD, PVD)
Stomach and Small Intestine Cancer
Neuroendocrine Tumors
Meckel's Diverticulum
Colorectal Cancer
Hiatal Hernia
Anal Fissure
Anal and Rectal Cancer
Ischemic Colitis
Breast Cancer
Collapsed Lung (Pneumothorax)
Vascular Insufficiency of Intestines
Anal or Rectal Pain
Gastric Ulcer
Esophageal Diverticulum
Abdominal Pain
Gynecologic Cancer
Acute Bowel Infarction
Umbilical Hernia
Esophageal Cancer
Pyloric Stenosis
Small Intestine Cancer
Pelvic Abscess
Cholecystitis and Gallstones
Traumatic Brain Injury
Secondary Malignancies

Procedures Performed

Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Open Gastric Restrictive Procedure
Umbilical or Ventral Hernia Repair, Laparoscopic
Femoral Hernia Repair, Open
Duodenal Polypectomy
Gastric Bypass Surgery, Open
Arteriovenous Shunt Creation
Appendectomy, Laparoscopic
Tracheal Surgery
Abscess or Cyst Drainage or Aspiration
Excision of Rectal Tumor
Excision of Bile Duct Tumor
Gallbladder Removal (Cholecystectomy), Open
Inguinal Hernia Repair, Laparoscopic
Port Placements or Replacements
Bunion Surgery
Thyroidectomy or Thyroid Lobectomy
Wound Repair
Soft Tissue Tumor Removal
Gallbladder Removal (Cholecystectomy), Laparoscopic
Esophagectomy (Esophagogastrostomy, Esophagojejunostomy)
Inguinal Hernia Repair, Open
Excision of Esophageal Lesion
Arteriovenostomy for Renal Dialysis
Excision of Stomach Tumor
Open Diaphragmatic and-or Paraesophageal Hiatal Hernia Repair
Enterostomy (Laparoscopic or Open)
Incisional Hernia Repair, Laparoscopic
Splenectomy and Splenorrhaphy
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Abscess or Fluid Incision and Drainage
Hemorrhoidectomy or Excision of Anal Tags
Hernia Repair
Appendectomy, Open
Axillary Lymph Node Dissection
Excision of Breast Tumor
Open Incisional and-or Ventral Hernia Repair
Thyroid Lobectomy
Intestinal Transplant (incl. Enterectomy)
Gallbladder Removal
Pancreatectomy (incl. Pancreas Transplant and Whipple Procedure)
Bile Duct Procedure
Peripheral Artery Catheterization
Lymph Node Biopsy or Excision
Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)