Quick answers
- Which hospitals does Brian M. Oleary work at?
- Medicare's official clinician data lists Brian M. Oleary at 1 hospital: Edward Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian M. Oleary see patients?
- Medicare's clinician data lists 2 practice locations, including Valparaiso, IN and Naperville, IL. Call before your visit to confirm the address.
- What is Brian M. Oleary's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Brian M. Oleary accept Medicare assignment?
- Yes. Medicare's clinician data says Brian M. Oleary 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 M. Oleary offer telehealth?
- Medicare's clinician data says Brian M. Oleary offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Brian M. Oleary?
- (630) 946-2565, as listed in official Medicare / NPI Registry data.
- What is Brian M. Oleary's NPI number?
- 1295702439. 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 M. Oleary works
Medicare's Facility Affiliation Data lists Brian M. Oleary at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward HospitalNaperville, IL · Acute Care Hospital · CCN 140231
Practice locations
Addresses where Brian M. Oleary is enrolled with Medicare (CMS data updated 2026-10-02).
- 1300 LincolnwayValparaiso, IN 46383
- 1964 Springbrook Square Dr, Suite 104Naperville, IL 60564 (630) 946‑2565
Group practices
Medicare enrollment lists Brian M. Oleary as a member of these groups (CMS data updated 2026-10-02).
- Dupage Medical Group Ltd1,322 clinicians in the group
- Rci (WRS) LLC360 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Valparaiso
Clinicians with the same Medicare primary specialty in Valparaiso, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295702439 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians