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

Individual provider Diagnostic Radiology Physician · NPI 1568575595

Dr. Gregory A. Gregg, MD is a Diagnostic Radiology in Springfield, Illinois. Graduated from Southern Illinois University School of Medicine in 1980, 46 years ago. Practices with Central Illinois Radiological Associates Ltd, a 204-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
46
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
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

800 E Carpenter St Dept OF Radiology
Springfield, IL 62702-5324
Phone: (217) 544-6464
Fax: (217) 525-5671
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036064294 (IL)

Record details

NPI number1568575595
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESJanuary 11, 2024
Certification dateJanuary 11, 2024
Mailing address611 N 6th St, Springfield, IL 62702-5327

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Central Illinois Radiological Associates Ltd — 204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations15 on file with Medicare

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