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Emergency Medicine

Matthew Weeks, MD

Works at hospitals in Rockford, IL · Janesville, WI · Crystal Lake, IL … · Illinois, Wisconsin

Summary

Matthew Weeks, MD (Emergency Medicine) is listed by Medicare at 5 hospitals in Rockford, IL, Janesville, WI and Crystal Lake, IL and other places. NPI 1619239936. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew Weeks, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
Northwestern Medical Faculty FoundationGroup practice (+5 more)

Quick answers

Which hospitals does Matthew Weeks work at?
Medicare's official clinician data lists Matthew Weeks at 5 hospitals: Javon Bea Hospital, Mercy Health System Corp, Mercyhealth Hospital & Physician Clinic-Crystal LA…, Mile Bluff Medical Center and Northwestern Medicine Kishwaukee Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew Weeks see patients?
Medicare's clinician data lists 7 practice locations, including Dekalb, IL, Sterling, IL and Janesville, WI. Call before your visit to confirm the address.
What is Matthew Weeks's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Matthew Weeks accept Medicare assignment?
Yes. Medicare's clinician data says Matthew Weeks accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Matthew Weeks?
(815) 766-7334, as listed in official Medicare / NPI Registry data.
What is Matthew Weeks's NPI number?
1619239936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew Weeks works

Medicare's Facility Affiliation Data lists Matthew Weeks at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Matthew Weeks is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Matthew Weeks as a member of these groups (CMS data updated 2026-10-02).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group
  • Mercy Health System Corporation753 clinicians in the group
  • Rockford Health Physicians521 clinicians in the group
  • CGH Medical Center197 clinicians in the group
  • Mile Bluff Medical Center Inc87 clinicians in the group
  • Emergency Physician Associates of Wisconsin SC19 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Illinois →

Other emergency medicine doctors in Dekalb

Clinicians with the same Medicare primary specialty in Dekalb, IL — not a recommendation.

All emergency medicine doctors in Dekalb →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619239936
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians