Thomas L. Franzen, MD
Family Medicine Physician · Rantoul, IL
Thomas L. Franzen, MD is a family medicine physician with a practice address in Rantoul, Illinois, and NPI 1609895499, issued on Jul 19, 2006. Check the license (Illinois 036094375, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas L. Franzen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036094375 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1540 E. Grove Street, Rantoul, IL 61866
- Phone
- (217) 893-7700
- Enumerated
- Jul 19, 2006
- Record last updated
- Nov 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (217) 893-7801
- Medicaid ID
- 6447860007 IL
- Medicare enrollment
- Enrolled (PECOS I20100601000584); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1993
- Entity
- Type 1 · individual
Also registered at 1540 E. Grove Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naser Jahanbiglar, PAPhysician Assistant1548347263
- Bruce Kaplan, MDFamily Medicine Physician1790700110
- Erich Slocum, D.O.Family Medicine Physician1356625362
- Erica Sutton, PA-CPhysician Assistant1265872790
Verify Thomas L. Franzen 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 036094375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,231 Medicare Part D claims for 665 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium470 claims
- Amlodipine Besylate374 claims
- Lisinopril323 claims
- Losartan Potassium283 claims
- Levothyroxine Sodium272 claims
- Omeprazole272 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: $930.71
55 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Bills Medicare through one group practice
- Carle Health Care IncorporatedRantoul, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
6 family medicine physician records list a practice address in Rantoul
They are 6 of the 67 NPPES records with a practice address in Rantoul, and 6,215 family medicine physician records in Illinois.
All 6 in Rantoul → All 6,215 in Illinois → Every provider in Rantoul →
Other family medicine physician records in Illinois
- Jon Aagaard, MDWheaton, IL1750496923
- Napoleon Abando, MDWoodstock, IL1003972753
- Nikka Abaricia, MDChicago, IL1790366342
- Mohemmed AbbasChicago, IL1609612522
- Muhammad AbbasAlton, IL1588341556
- Syed AbbasWest Dundee, IL1972733103
- Stefanie AbbottMaywood, IL1861137457
- Roann Abdeladl, MDEvanston, IL1437087103
- Ahmed Abdelkader, MDChicago, IL1659104230
- Guy Abderholden, MDAntioch, IL1902899792
Common questions
What is Thomas L. Franzen, MD's NPI number?
Thomas L. Franzen, MD's National Provider Identifier (NPI) is 1609895499, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas L. Franzen, MD located?
The NPPES record lists a practice address at 1540 E. Grove Street, Rantoul, IL, 61866. Phone: (217) 893-7700. Providers update this record themselves, so call before visiting.
How can I verify Thomas L. Franzen, MD's license?
NPPES lists Illinois license number 036094375, 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 Thomas L. Franzen, MD prescribe under Medicare Part D?
In 2024, Thomas L. Franzen, MD had 8,231 Medicare Part D claims for 665 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.