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DR. SEAN MICHAEL RARDIN M.D.
NPI 1225020076
Family Medicine in Naperville, IL

Active since August 18, 2005PECOS Enrolled
445 AURORA AVE, NAPERVILLE, IL 60540(630) 355-8844(630) 355-8848 Get Directions Write a Review

NPPES record last updated: July 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2021, Jan 14, 2016 (2 updates tracked since 2016).

About Dr. Sean Michael Rardin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SEAN MICHAEL RARDIN M.D. (NPI 1225020076) is an individual family medicine provider in Naperville, Illinois, licensed in Illinois (036-114032) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Willowbrook.

NPPES Registry Identity

NPI1225020076
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. SEAN MICHAEL RARDINCredential: M.D.
Location Address445 AURORA AVENaperville, IL 60540-6274
Mailing Address445 Aurora AveNaperville, IL 60540-6274 · (630) 355-8844 · Fax (630) 355-8848
Phone(630) 355-8844
Fax(630) 355-8848
Sole ProprietorNo
Enumeration DateAugust 18, 2005
Last NPPES UpdateJuly 30, 20212 updates tracked since enumeration
NPPES CertifiedJuly 30, 2021
✔ NPI 1225020076 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036-114032
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
445 AURORA AVE, Naperville, IL 60540
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Secondary Practice Location 1

Location 140 75th StWillowbrook, IL 60527-2325 · Phone (630) 581-5372

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sean Michael Rardin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Sean Rardin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Dupage Hospital Association
7.2 mi
General Acute Care Hospital
25 NORTH WINFIELD RD.
Winfield, IL 60190
  • Reassigned Medicare billing, Illinois enrollment
  • 129 clinicians in this Medicare group
NPI 1003864810 (630) 933-1600
National University Of Health Sciences
9.8 mi
Chiropractor
200 E ROOSEVELT RD
Lombard, IL 60148
  • Reassigned Medicare billing, Illinois enrollment
  • 6 clinicians in this Medicare group
NPI 1316079775 (630) 889-9664
Midwest Express Care 2, Inc
11 mi
Urgent Care
40 75TH ST
Willowbrook, IL 60527
  • Reassigned Medicare billing, Illinois enrollment
  • 410 clinicians in this Medicare group
NPI 1548692890 (630) 400-4060
Osf Healthcare System
24 mi
General Acute Care Hospital
2800 W 95TH ST
Evergreen Park, IL 60805
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1871919381 (Illinois)
  • 183 clinicians in this Medicare group
NPI 1215572045 (708) 422-6200
Valley West Community Hospital
25 mi
Critical Access
11 E PLEASANT AVE
Sandwich, IL 60548
  • Reassigned Medicare billing, Illinois enrollment
  • 12 clinicians in this Medicare group
NPI 1316002520 (815) 786-8484

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NAKIESHA PEARSON DC, ND
Chiropractor
445 AURORA AVE
NAPERVILLE, IL 60540
Dupage County (630) 355-8844

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Rardin's NPI number?

The NPI number for Sean Rardin is 1225020076. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is Sean Rardin located?

Sean Rardin practices at 445 Aurora Ave, Naperville, IL 60540. The listed phone number is (630) 355-8844.

What is Sean Rardin's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sean Rardin enrolled in Medicare?

Yes. Sean Rardin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sean Rardin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Rardin reassigns Medicare benefits to 5 organizations: Central Dupage Hospital Association (Winfield, IL), National University Of Health Sciences (Lombard, IL), Midwest Express Care 2, Inc (Willowbrook, IL), Osf Healthcare System (Evergreen Park, IL) and Valley West Community Hospital (Sandwich, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Rardin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sean Rardin was last updated on July 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.