Trenton Grimm, MD
Internal Medicine Physician · Springfield, IL
Trenton Grimm, MD is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1255746509, issued on Jun 25, 2014. Check the license (Illinois 125.064986, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Trenton Grimm
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125.064986 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62702
- Phone
- (217) 545-0182
- Enumerated
- Jun 25, 2014
- Record last updated
- Jun 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (217) 545-4735
- Medicare enrollment
- Enrolled (PECOS I20170728000309); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 701 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Trenton Grimm 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 125.064986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
469 Medicare Part D claims for 192 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Furosemide21 claims
- Hydrocodone-Acetaminophen21 claims
- Metoprolol Succinate20 claims
- Prednisone19 claims
- Eliquis18 claims
- Losartan Potassium17 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.
Industry payments in 2024: $99.00
1 payment: education; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Good Samaritan Regional Health CenterMount Vernon, IL
- St Marys Hospital Centralia IllinoisCentralia, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trenton Grimm among 7,238 internal medicine physician records in Illinois
Trenton Grimm, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 59% of them.
- NPI issued2014 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · median 2003 among the 3,580 with a school on file
- Record last updated2014 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Springfield
They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Benning, M.D.Springfield, IL 627021689672289
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- Alan Deckard, M.D.Springfield, IL 627021104801190
- Nicole Florence, M.D.Springfield, IL 627021811983851
- Susan Hingle, MDSpringfield, IL 627021124003124
- Larry Holder, M.D.Springfield, IL 627021417914326
- Praveen Kandula, M.D.Springfield, IL 627021912982919
- Regina Kovach, M.D.Springfield, IL 627021164407169
Common questions
What is Trenton Grimm, MD's NPI number?
Trenton Grimm, MD's National Provider Identifier (NPI) is 1255746509, issued on Jun 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Trenton Grimm, MD located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62702. Phone: (217) 545-0182. Providers update this record themselves, so call before visiting.
How can I verify Trenton Grimm, MD's license?
NPPES lists Illinois license number 125.064986, 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 Trenton Grimm, MD prescribe under Medicare Part D?
In 2024, Trenton Grimm, MD had 469 Medicare Part D claims for 192 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.