James Benjamin Mikeworth, M.D.
Internal Medicine Physician · Pontiac, IL
James Benjamin Mikeworth, M.D. is an internal medicine physician with a practice address in Pontiac, Illinois, and NPI 1790927309, issued on Mar 27, 2009. Check the license (Illinois 036-132877, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James Benjamin Mikeworth
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-132877 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2500 W Reynolds St, Pontiac, IL 61764
- Phone
- (815) 844-2001
- Enumerated
- Mar 27, 2009
- Record last updated
- Dec 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130809000734); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2500 W Reynolds St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nabila AshrafHospice and Palliative Medicine (Internal Medicine) Physician1730676099
- Catherine BachtoldNurse Practitioner1376926832
- Erin BakerPhysical Therapist1154868685
- Haiven Baker, OTD; OTR/LOccupational Therapist1285500777
- Adair BartosikPhysical Therapist1982140497
- Brittany Bursott, APNFamily Nurse Practitioner1699325514
Verify James Benjamin Mikeworth 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 036-132877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,526 Medicare Part D claims for 525 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 378 claims were for opioids.
Most prescribed
- Atorvastatin Calcium267 claims
- Lisinopril241 claims
- Levothyroxine Sodium236 claims
- Hydrocodone-Acetaminophen228 claims
- Omeprazole216 claims
- Metformin Hcl195 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.
2 hospitals and group practices
- Saint James HospitalPontiac, IL · Acute Care Hospitals4 of 5 stars
- Osf Multi-Specialty GroupPontiac, IL
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.
James Benjamin Mikeworth among 7,238 internal medicine physician records in Illinois
James Benjamin Mikeworth, M.D. 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 2009, is newer than 49% of them.
- NPI issued2009 · 49% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2009 · median 2003 among the 3,580 with a school on file
- Record last updated2013 · 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).
4 internal medicine physician records list a practice address in Pontiac
They are 4 of the 266 NPPES records with a practice address in Pontiac, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Pontiac → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marissa Batayola, M.D.Pontiac, IL 617641487643730
- Jayme Kwak, M.D.Pontiac, IL 617641750776233
- John Rinker, M.D.Pontiac, IL 617641316173636
- Kerline Ductan, M.D.Normal, IL 617611073826715
- Marlito Favila, M.D.Normal, IL 617611114945912
- Sam Gaines, M.D.Normal, IL 617611730115643
- Caroline Halperin, D.O.Normal, IL 617611912928805
- Dru Hauter, M.D.Normal, IL 617611255353660
Common questions
What is James Benjamin Mikeworth, M.D.'s NPI number?
James Benjamin Mikeworth, M.D.'s National Provider Identifier (NPI) is 1790927309, issued on Mar 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James Benjamin Mikeworth, M.D. located?
The NPPES record lists a practice address at 2500 W Reynolds St, Pontiac, IL, 61764. Phone: (815) 844-2001. Providers update this record themselves, so call before visiting.
How can I verify James Benjamin Mikeworth, M.D.'s license?
NPPES lists Illinois license number 036-132877, 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 James Benjamin Mikeworth, M.D. prescribe under Medicare Part D?
In 2024, James Benjamin Mikeworth, M.D. had 7,526 Medicare Part D claims for 525 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.