Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory George Machiko, MD

Individual provider Gastroenterology Physician · NPI 1831191618

Gregory George Machiko, MD is a Gastroenterology in Canonsburg, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 1985, 41 years ago. Practices with Allegheny Clinic, a 2,300-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
41
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

161 Waterdam Rd Ste 120
Canonsburg, PA 15317-2472
Phone: (412) 359-8900
Fax: (412) 359-8977
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD036665E (PA)

Record details

NPI number1831191618
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESNovember 18, 2020
Certification dateNovember 18, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1985 (41 years in practice)
Group practice Allegheny Clinic — 2300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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