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Become a member and receive career-enhancing benefits

Our top priority is providing value to members. Your Member Services team is here to ensure you maximize your ACS member benefits, participate in College activities, and engage with your ACS colleagues. It's all here.

Become a Member
Become a member and receive career-enhancing benefits

Our top priority is providing value to members. Your Member Services team is here to ensure you maximize your ACS member benefits, participate in College activities, and engage with your ACS colleagues. It's all here.

Membership Benefits
ACS Fellow Since 1998

Konstantinos M. Konstantinidis, MD FACS

Board Certification

  • American Board of Surgery - General Surgery

Society Memberships

  • Soc of Am Gast End Surgs
  • Am Soc for Metabolic & Bariatric Surg
  • Am Soc of Breast Surgeons
  • Intl Soc, Surg/Soc Int Ch
  • Soc for Surg Alim Tract

Additional Information



General Surgery

8 A Louki Akrita Street




Contact Information


Konstantinos M. Konstantinidis, MD,PhD.FACS. MAMSE Adjunct Professor of Surgery, Ohio State University, USA Governor,American College of Surgeons, Greek Chapter,ACS-GC Member, Academy of Master Surgeon Educators of the American College of Surgeons Chairman of General, Oncologic, Laparoscopic & Robotic Surgery, Athens Medical Center Scientific Medical Director, Athens Medical Center Board Member, Secretary, Clinical Robotic Surgical Association, CRSA International Board Member, Society of Robotic Surgery, SRS Honorary President of South Eastern European Surgical Society, SEERSS 3,Distomou Str. Athens 15125 Greece (+30)210-6107189 (+30)210-6107165 www.kkonstantinidis.com Practice Description: Personal experience of over 17000 laparoscopic and over 4000 robotic operations at Athens Medical Center, Greece. ADVANCED LAPAROSCOPIC & ROBOTIC PROCEDURES: Esophageal(Gerd, Diaphragmatic& Paraesophageal Hernia,Achalasia,Cancer). Gastric(Ulcer,Benign and Malignant Tumors,etc). Gallbladder and Common Bile Duct Surgery. Whipple and Distal Pancreatectomy. Small Bowel surgery(enterectomy,bypass,ileus,adhesions,etc.). Colorectal(Colectomies:Right,Transverse,Left,Low Anterior,Abdominoperineal,Rectal prolapse,etc.). Splenectomy,Adrenalectomy. Obesity Surgery(Gastric Bypass,LAPBAND,Sleeve Gastrectomy, Redo Bariatric Surgery).Hernia Surgery, TEP, TAPP(Inguinal,Ventral,etc.). Appendectomy, Hepatic Surgery(RFA for cancer,simple cysts,echinococcus cysts,partial hepatectomies etc.). Gynecologic Surgery:(Hysterectomy,Ovarian Cysts,Endometriosis,Pelvic pain,Uterine Fibroids,Adhesions,Pelvic lymphadenectomy,etc). Peritoneal dialysis catheter placement. OPEN SURGERY: Major Abdominal Trauma&Cancer Surgery. Hemorrhoid Surgery(Laser,THD,HAL,technique)Pilonidal cysts. Thyroid,Parathyroid,Breast,Adrenal.

Subspecialties and Areas of Clinical Concentration

Bariatric (Severe Obesity) Procedures

  • biliopancreatic diversion
  • gastric banding
  • gastroplasty
  • jejunoilial bypass
  • laparoscopic gastric banding
  • laparoscopic gastric bypass
  • roux-en-Y gastric bypass

Breast Disease/Cancer

  • axillary dissection
  • benign breast disease
  • breast biopsy
  • breast cancer
  • breast cancer reconstruction
  • breast cryoablation
  • breast radiotherapy
  • core needle biopsy
  • duct excision/microdochotomy
  • lumpectomy
  • lymph node biopsy
  • mastectomy
  • radical mastectomy
  • sentinel node

Endocrine (Gland)

  • adrenal cancers/tumors
  • adrenal surgery
  • hyperparathyroidism
  • pancreatic endocrine tumors
  • parathyroid cancer
  • parathyroid surgery
  • pheochromocytoma
  • thyroid nodules/cancer
  • thyroid surgery

Abdomen and Digestion Disorder/Procedure

  • abdominal pain
  • adhesion removal
  • anti-reflux procedures
  • appendectomy
  • esophagus perforation
  • feeding tubes
  • fundoplication
  • fundoplication - laparoscopic
  • gastric cancer
  • gastroesophageal reflux disease
  • malrotation
  • peptic ulcer disease
  • peritonitis
  • splenectomy

Gynecology Disorders/Procedures

  • ectopic pregnancy
  • hysterectomy
  • laparoscopic hysterectomy
  • ovarian cyst/mass
  • pelvic pain
  • rectal prolapse

Head and Neck

  • parathyroid surgery
  • thyroid surgery
  • Zenker's diverticulum

Liver, Gallbladder, Pancreas Disor/Proc

  • bile duct malignancies
  • bile duct surgery
  • biliary tract disease
  • cholecystectomy
  • gallbladder cancer
  • gallstone disease
  • hepatic artery infusion pumps
  • hepatobiliary surgery
  • laparoscopic cholecystectomy
  • liver biopsy
  • liver surgery
  • liver/hepatic disease
  • pancreatic cancer
  • pancreatic cysts
  • pancreatitis

Hernia Procedures

  • abdominal hernia
  • component separation
  • epigastric hernia
  • femoral hernia
  • inguinal hernia
  • laparoscopic hernia repair
  • paraesophageal hernia
  • umbilical hernia
  • ventral hernia

Minimal Access Surgery

Anal-rectal Disorders/Procedures

  • anal abscess
  • anal fissure
  • anal fistula
  • anal tears
  • anal warts
  • hemorrhoid problems
  • rectal bleeding
  • rectal prolapse
  • sphincter repair

Colon and Rectal Disorders/Cancer

  • anal abscess
  • anal cancer
  • biopsy of tumors
  • colectomy
  • colon cancer screening
  • colon surgery
  • colon/rectal cancer
  • colonic polyps
  • colonoscopy
  • colostomy
  • Crohn's disease
  • diverticular disease
  • gastrointestinal bleeding
  • gastrointestinal cancer
  • hemorrhoidectomy
  • ileostomy
  • intestinal failure management
  • intussusception
  • irritable bowel syndrome
  • laparoscopic colon surgery
  • Meckel's diverticulum
  • small bowel syndrome
  • spastic colon
  • stomach cancer
  • ulcerative colitis

Diagnostic Imaging/procedures

Bowel Control

  • constipation

Lower Extremity Ischemia

  • diabetic problems

Minimally Invasive Procedures

  • endoscopic surgery
  • fine needle aspiration/biopsy
  • laparoscopic surgery
  • laser surgery
  • radiosurgery
  • robotic surgery
  • tumor ablation

Surgical Oncology (Cancer/Tumors)

  • adrenal tumors
  • anal cancer/tumors
  • basal cell cancer
  • biopsy of tumors
  • breast cancer
  • breast masses
  • breast tumors in pregnancy
  • cervical cancer/tumors
  • colon cancer screening
  • colon cancer/polyps
  • colon/rectal cancer
  • endocrine cancer
  • endometrial cancer/tumors
  • esophagus cancer/tumors
  • fibroids
  • gastrointestinal cancer/tumors
  • gynecology cancer/tumors
  • kidney cancer
  • melanoma
  • ovarian cancer/tumors
  • ovarian cysts
  • pancreatic cancer/tumors
  • pelvic tumors
  • skin cancer
  • stomach cancer/tumors
  • thyroid cancer/nodules
  • Wilm's tumor

Venous Disorders/Procedures


  • achalasia
  • Barrett's esophagus
  • empyema
  • esophageal surgery
  • hiatal hernia
  • pleural effusion
  • pneumothorax

Trauma/Injury Procedures

  • abdominal injuries
  • abdominal wall reconstruction
  • amputation
  • bladder injury
  • blunt trauma
  • burns
  • cricothyroidotomy
  • female reproductive tract injury
  • intestine injuries
  • kidney injury
  • liver injury
  • liver resection
  • neck injuries
  • stomach injuries
  • tracheotomy
  • wound debridement

Urology (kidney, bladder, male reprod)

  • circumcision
  • nephrectomy
  • vasectomy

Vascular Disorders/Procedures

Hospital Appointments

Teaching Attending Surgeon Riverside Methodist Hospital, Columbus,Ohio,USA

General, Bariatric, Laparoscopic & Robotic Surgery Athens Medical Center,Athens, Greece.


Athens Medical Center

Athens, Greece,



Academic Appointments

Ohio State University College of Medicine

Columbus, OH

Adjunct Professor