Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Michael Jeffery O'Neill, MD

Individual provider Internal Medicine Physician · NPI 1598704678

Michael Jeffery O'Neill, MD is an Internal Medicine Physician in Marietta, Georgia. Works from 2 locations. Licensed in Georgia.

Licensed in
GA
In the registry since
2006
Specialties on file
2
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

677 Church St NE
Marietta, GA 30060-1101
Phone: (770) 793-7750
Fax: (770) 793-7755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1365 Clifton Road, Atlanta, GA 30322-1064 — (404) 778-7717

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence 30175 (GA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 30175 (GA)

Record details

NPI number1598704678
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESOctober 11, 2019

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