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

Dr. Michael J Oreilly, MD

Individual provider Surgery Physician · NPI 1548300015

Dr. Michael J Oreilly, MD is a General Surgery in Marietta, Georgia. Graduated from University of Texas Southwestern Medical School at Dallas in 1981, 45 years ago. Practices with Wellstar Medical Group LLC, a 3,072-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
45
Trained at
University of Texas Southwestern Medical School at Dallas
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

800 Canton Rd NE
Marietta, GA 30060-7260
Phone: (770) 424-4328
Fax: (770) 426-9924
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 34682 (GA)

Record details

NPI number1548300015
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2007
Last updated in NPPESOctober 11, 2019
Mailing address800 Canton Rd Ne, Marietta, GA 30060-7260

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1981 (45 years in practice)
Group practice Wellstar Medical Group Llc — 3072 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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