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

Dr. Ralph Cornell Lyons, MD

Individual provider Gastroenterology Physician · NPI 1740379866

Dr. Ralph Cornell Lyons, MD is a Gastroenterology in Riverdale, Georgia. Graduated from Perelman School of Med at the University of Pennsylvania in 1982, 44 years ago. Practices with Aga Clinical Services, LLC, a 36-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
44
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
GA
In the registry since
2006
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

34 Uppr Riverdale RD Ste 201
Riverdale, GA 30274-2635
Phone: (678) 904-0094
Fax: (678) 904-0098
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 025217 (GA)

Record details

NPI number1740379866
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address34 Upper Riverdale Rd Se, Suite 201, Riverdale, GA 30274-2635

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1982 (44 years in practice)
Group practice Aga Clinical Services, Llc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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