Gregory Deters, M.D.
Family Medicine Physician · Mattoon, IL
Gregory Deters, M.D. is a family medicine physician with a practice address in Mattoon, Illinois, and NPI 1497861702, issued on Aug 21, 2006. Check the license (Illinois 036-087539, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory Deters
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-087539 IL
Self-reported in NPPES; status is on the state search - Practice location
- 200 Richmond Ave E, Mattoon, IL 61938
- Phone
- (217) 234-7000
- Enumerated
- Aug 21, 2006
- Record last updated
- Sep 21, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (217) 238-5484
- Medicare enrollment
- Enrolled (PECOS I20050919000033); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 200 Richmond Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kiran Joag, M.D.Internal Medicine Physician1013023258
- Lori Nottmeyer, APNFamily Nurse Practitioner1700215928
Verify Gregory Deters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-087539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average family medicine physician in 2024
20,280 Medicare Part D claims for 809 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 880 claims were for opioids.
Most prescribed
- Atorvastatin Calcium936 claims
- Amlodipine Besylate729 claims
- Levothyroxine Sodium635 claims
- Gabapentin622 claims
- Lisinopril582 claims
- Furosemide577 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $857.41
53 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gregory Deters among 6,215 family medicine physician records in Illinois
Gregory Deters, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 3,714 with a school on file
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Mattoon
They are 18 of the 803 NPPES records with a practice address in Mattoon, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Mattoon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jagan Mohan Bokka, M.DMattoon, IL 619381124274063
- Kristine Carpenter, M.D.Mattoon, IL 619381215198189
- Lucas Catt, MDMattoon, IL 619381912174970
- Matthew Dorner, M.D.Mattoon, IL 619381528176880
- Andrew Gage, M.D.Mattoon, IL 619381013931567
- Jeffrey Jenson, M.D.Mattoon, IL 619381740211390
- Marlene Kremer, M.D.Mattoon, IL 619381831205749
- Aja Lystila, MDMattoon, IL 619381215159744
Common questions
What is Gregory Deters, M.D.'s NPI number?
Gregory Deters, M.D.'s National Provider Identifier (NPI) is 1497861702, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Deters, M.D. located?
The NPPES record lists a practice address at 200 Richmond Ave E, Mattoon, IL, 61938. Phone: (217) 234-7000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Deters, M.D.'s license?
NPPES lists Illinois license number 036-087539, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Deters, M.D. prescribe under Medicare Part D?
In 2024, Gregory Deters, M.D. had 20,280 Medicare Part D claims for 809 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Gregory Deters, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.