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AHN Provider
AHN Provider
Gregory G Machiko, MD
star star star star star 4.6 (70)
Expertise: Abdominal Pain, Anemia,See all...

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Waterdam Commons Office Park (Primary)
161 Waterdam Rd, Suite 120
Canonsburg, PA 15317
Fax (412) 359-8977

Languages Spoken



Abdominal Pain
Celiac Disease
Colon Cancer Screening
Colon and Rectal Disease
Colorectal Cancer
Digestion Health Center
Digestive Conditions
Dyspepsia (Indigestion)
Esophageal Cancer
Gastrointestinal Cancer
Hiatal Hernia
Inflammatory Bowel Disease
Intestinal Gas
Irritable Bowel Syndrome
Lactose Intolerance
Laxatives For Constipation


4.6star star star star star

Likelihood of recommending this care provider

4.6star star star star star

Concern shown for your questions or worries

4.6star star star star star

Explanations about your problem or condition

4.7star star star star star

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

4.7star star star star star

Efforts to include you in decisions about your care

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Recent Patient Comments

"Dr Machiko had always been great - answers my questions, listens to me, tells me options if I ask. His staff is also super friendly and helpful."

April 25, 2023

"He directed his office to contact me In response to an Issue with one of the tests I took. That tells me he was following my treatment in real time and intervened with an immediate treatment before the follow up visit."

March 28, 2023

"I am quite pleased with time spent and interactions with Dr. Machiko"

March 21, 2023

"As I was having an acute problem, I had some anxiety about this visit. However, Dr. Machiko was compassionate, kind, clear in his explanations, direct in his communication and altogether humane."

December 04, 2022

"I have recommended Dr Machiko to others due to his caring attitude"

November 30, 2022

"Evaluated my situation well"

October 13, 2022



Allegheny General Hospital


Jefferson Medical College


American Board of Internal Med-Gastroenterology
American Board of Internal Medicine


Allegheny General Hospital
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