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

Michael J. Grupka, MD

Individual provider Gastroenterology Physician · NPI 1497953467

Michael J. Grupka, MD is a Gastroenterology in Hiram, Georgia. Qualified in 2002, 24 years ago. Practices with Gastrointestinal Specialist of Georgia, a 35-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
24
Licensed in
GA
In the registry since
2007
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

148 Bill Carruth Pkwy Ste 200
Hiram, GA 30141
Phone: (678) 741-5000
Fax: (770) 445-9013
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 060588 (GA)

Record details

NPI number1497953467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2007
Last updated in NPPESMay 31, 2018
Mailing address711 Canton Rd Ne Ste 300, Marietta, GA 30060-8949

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Gastrointestinal Specialist Of Georgia — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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