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

Individual provider Family Medicine Physician · NPI 1497861702

Gregory Deters, MD is a Family Practice in Mattoon, Illinois. Graduated from Southern Illinois University School of Medicine in 1991, 35 years ago. Practices with Sarah Bush Lincoln Health Center, a 410-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
35
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

200 Richmond Ave E
Mattoon, IL 61938-4652
Phone: (217) 234-7000
Fax: (217) 238-5484
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036-087539 (IL)

Record details

NPI number1497861702
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESSeptember 21, 2018
Mailing address1005 Health Center Dr Ste 201, Mattoon, IL 61938-4693

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Sarah Bush Lincoln Health Center — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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