Sean Michael Rardin, M.D.
Family Medicine Physician · Naperville, IL
Sean Michael Rardin, M.D. is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1225020076, issued on Aug 18, 2005. Check the license (Illinois 036-114032, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sean Michael Rardin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036-114032 IL
Self-reported in NPPES; status is on the state search - Practice location
- 445 Aurora Ave, Naperville, IL 60540
- Phone
- (630) 355-8844
- Enumerated
- Aug 18, 2005
- Record last updated
- Jul 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 355-8848
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 445 Aurora Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nakiesha Pearson, DC, NDChiropractor1760808307
Verify Sean Michael Rardin 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 036-114032Check 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 family medicine physician in 2024
531 Medicare Part D claims for 46 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Prednisone31 claims
- Hydrocodone-Acetaminophen27 claims
- Levothyroxine Sodium27 claims
- Alprazolam21 claims
- Azithromycin20 claims
- Pantoprazole Sodium18 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.
Sean Michael Rardin among 6,215 family medicine physician records in Illinois
Sean Michael Rardin, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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).
86 family medicine physician records list a practice address in Naperville
They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Naperville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Carducci, M.D.Naperville, IL 605401093762338
- Karla Dorsey-Johnson, MDNaperville, IL 605401245205731
- Stephanie Dressler, PA CNaperville, IL 605401629068234
- Hiam Eldewek, D.O.Naperville, IL 605401639128309
- Michael Fitzgerald, MDNaperville, IL 605401346215407
- Fowzia Ghouse, MDNaperville, IL 605401215923826
- Ronald Glas, MDNaperville, IL 605401720075484
- Kaleem Khan, M.D.Naperville, IL 605401619917713
Common questions
What is Sean Michael Rardin, M.D.'s NPI number?
Sean Michael Rardin, M.D.'s National Provider Identifier (NPI) is 1225020076, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sean Michael Rardin, M.D. located?
The NPPES record lists a practice address at 445 Aurora Ave, Naperville, IL, 60540. Phone: (630) 355-8844. Providers update this record themselves, so call before visiting.
How can I verify Sean Michael Rardin, M.D.'s license?
NPPES lists Illinois license number 036-114032, 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 Sean Michael Rardin, M.D. prescribe under Medicare Part D?
In 2024, Sean Michael Rardin, M.D. had 531 Medicare Part D claims for 46 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.