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Family Practice

Brian L. Casaclang, DO

Works at hospitals in Oak Lawn, IL · Downers Grove, IL · Chicago, IL … · Illinois

Summary

Brian L. Casaclang, DO (Family Practice) is listed by Medicare at 5 hospitals in Oak Lawn, IL, Downers Grove, IL and Chicago, IL and other places. NPI 1093740490. 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 Brian L. Casaclang, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
Midwestern University, Chicago College Of Osteopathic MedMedical school
MaleGender (as listed)
Premise Health of Illinois Medical PCGroup practice

Quick answers

Which hospitals does Brian L. Casaclang work at?
Medicare's official clinician data lists Brian L. Casaclang at 5 hospitals: Advocate Christ Hospital & Medical Center, Advocate Good Samaritan Hospital, Advocate Trinity Hospital, Silver Cross Hospital and Medical Centers and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Brian L. Casaclang see patients?
Medicare's clinician data lists 1 practice location in Countryside, IL. Call before your visit to confirm the address.
What is Brian L. Casaclang's specialty?
Medicare lists Family Practice as the primary specialty.
Does Brian L. Casaclang accept Medicare assignment?
Yes. Medicare's clinician data says Brian L. Casaclang 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.
Does Brian L. Casaclang offer telehealth?
Medicare's clinician data says Brian L. Casaclang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Brian L. Casaclang?
(708) 485-2273, as listed in official Medicare / NPI Registry data.
What is Brian L. Casaclang's NPI number?
1093740490. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brian L. Casaclang works

Medicare's Facility Affiliation Data lists Brian L. Casaclang 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 Brian L. Casaclang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian L. Casaclang as a member of this group (CMS data updated 2026-10-02).

  • Premise Health of Illinois Medical PC26 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All family doctors in Illinois →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093740490
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