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AHN Provider
Yoshihiro Komatsu, MD
star star star star star 4.7 (129)
Expertise: Achalasia, Advanced...See all...

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West Penn Hospital (Primary)
Mellon Pavilion
4815 Liberty Ave, Suite 439
Pittsburgh, PA 15224
Fax (412) 605-6364
Jefferson Hospital Medical Office Building
575 Coal Valley Rd, #574
Jefferson Hills, PA 15025
Fax (412) 605-6364
Forbes Hospital
2566 Haymaker Rd, POB1 #304
Monroeville, PA 15146
Fax (412) 605-6364

Dr. Komatsu is a fellowship-trained surgeon who treats patients with esophageal and gastric cancer, GERD/reflux disease, Barrett’s esophagus, hiatal hernia, paraesophageal hernia, achalasia, gastroparesis, esophageal and gastric motility disorders, Zenker’s diverticulum, and swallowing disorders.

Dr. Komatsu has fellowship training in minimally invasive esophageal and gastric surgery and advanced endoscopy. He is also certified in robotic surgery and offers this approach to many patients.

Dr. Komatsu completed his general surgery residency at Juntendo University Shizuoka Hospital in Shizuoka, Japan, where he also served as a clinical fellow. He continued his postdoctoral training as a research associate at the University of Pittsburgh Medical Center in Pittsburgh, Pennsylvania. His research work continued as a study coordinator at the Allegheny Singer Research Institute, Allegheny Health Network. He then completed his minimally invasive surgery and advanced endoscopy fellowship training at the Esophageal and Lung Institute at Allegheny Health Network.

He has published articles and book chapters of his research work and presented his findings to medical audiences at annual meetings and conferences.

Languages Spoken



Advanced Laparoscopic Surgery
Barrett’s Esophagus
Botulinum Toxin Treatment
Bowel Surgery
Dysphagia and Swallowing Disorders
Esophageal Cancer
Esophageal Diverticulum
Esophageal Motility Disorders
Esophageal Surgery
GERD/Reflux Surgery
Gastric Surgery
Gastroesophageal Reflux (GERD) and Laryngopharyngeal Reflux
Gastrointestinal Cancer
Gastrointestinal Surgery
Hiatal Hernia
Minimally Invasive Pyloroplasty
Paraesophageal Hernia
Robotic Surgery
Surgery, Gastroparesis
Zenker’s Diverticulum, Diverticular Disease


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Likelihood of recommending this care provider

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Concern shown for your questions or worries

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Explanations about your problem or condition

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Discussion of proposed treatments (options, risks, benefits, etc.)

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Efforts to include you in decisions about your care

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Recent Patient Comments


July 25, 2023

"My husband said it was like he had know my problems right away."

June 26, 2023

"Dr. Komatsu was the only doctor who knew what was wrong with me."

May 26, 2023

"[...] the doctor is fantastic. He thoroughly reviewed my test results and made sure I understood everything. I didn't feel rushed"

May 12, 2023

"I tell everyone about him he's 1 in a million."

May 12, 2023

"Very glad I found him."

April 18, 2023

"Keep up the good work!!!"

March 29, 2023

"Good provider. [...]"

March 11, 2023

"Very nice doctor."

February 08, 2023

"Dr. Had no idea why I was there. I was told it was to go over test results and he walked in talking about surgery. We were very confused about what was going on."

February 02, 2023



(non-ACGME) fellowship at AHN


Juntendo University School of Medicine


Japanese board certification in Surgery


Juntendo University Shizuoka Hospital
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