Summary

Dr. Gregory Machiko is a gastroenterologist who also practices internal medicine, bringing four decades of clinical experience to his patients. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and completed his residency at Allegheny General Hospital. Dr. Machiko communicates with patients in English.

Dr. Machiko is affiliated with Canonsburg General Hospital and practices at locations in McMurray and Canonsburg, Pennsylvania. He specializes in treating conditions such as colon polyps, abdominal pain, and constipation. His expertise includes performing colonoscopies, interpreting pathology tests, and conducting abdominal X-rays to help diagnose digestive health concerns. Patients have given him an average rating of 2.7 out of 5 on Vitals.

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Quick Facts

  • 2.7
  • 41 years of experience
  • 24 insurance plans accepted
  • speaks English
  • Allegheny General Hospital
  • 15 written reviews
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Gregory George Machiko has 2 locations

Allegheny Center Of Digestive Health

161 Waterdam Rd Apt 120McMurray, PA 15317
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Canonsburg General Hospital

100 Medical BlvdCanonsburg, PA 15317

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Dr. Gregory George Machiko, MDChimdi Mfebe, APRNJi Soo Choi, APRNAshley Anderson, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
2.7 
41 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
McMurray , PALittle Rock , ARSACRAMENTO , CASACRAMENTO , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Chamberlain University College of Nursing Med School: New York University Med School: East Tennessee State University - Quillen College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Gregory George Machiko

  • Aetna
  • AmeriHealth - Medicaid (Managed)
  • AmeriHealth Caritas - Medicaid (Managed)
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • Gateway Health
  • Gateway Health - Medicaid
  • Gateway Health - Medicaid (Managed)
  • Gateway Health - Medicare
  • Gateway Health - Medicare (Advantage HMO)
  • GEHA
  • Geisinger Health Plan - Medicaid (Managed)
  • Health Partners Plans (Pennsylvania)
  • HealthPartners
  • HealthPartners - Medicaid (Managed)
  • Medicaid
  • Medicaid - Medicaid
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Tricare
  • UnitedHealthcare
  • UPMC Health Plan

Medical Specialties

Dr. Gregory George Machiko has the following 2 specialties

Specialty Expertise

Dr. Gregory George Machiko has the following 12 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroparesis
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

41 Years Experience

MEDICAL LICENSE

Medical Doctor, Pennsylvania, 2026, Active

EDUCATION & TRAINING

Residency

Allegheny General Hospital

Medical School

Sidney Kimmel Medical College At Thomas Jefferson UniversityGraduated in 1985

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Frequently Asked Questions

Which hospitals is Dr. Gregory Machiko affiliated with?
Dr. Gregory Machiko is affiliated with Canonsburg General Hospital.
Does Dr. Gregory Machiko accept my insurance?
You can see the insurance plans that Dr. Gregory Machiko accepts on their Vitals profile.
Does Dr. Gregory Machiko accept virtual/telehealth appointments?
Dr. Gregory Machiko has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Gregory Machiko accepting new patients?
Dr. Gregory Machiko has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Gregory Machiko?
You can find contact information for Dr. Gregory Machiko here on Vitals.

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