Quick answers
- Which hospitals does Peter R. Koenig work at?
- Medicare's official clinician data lists Peter R. Koenig at 1 hospital: Ann & Robert H Lurie Childrens Hospital of Chicago. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter R. Koenig see patients?
- Medicare's clinician data lists 3 practice locations, including Northbrook, IL, Chicago, IL and Westchester, IL. Call before your visit to confirm the address.
- What is Peter R. Koenig's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Peter R. Koenig accept Medicare assignment?
- Yes. Medicare's clinician data says Peter R. Koenig 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 Peter R. Koenig?
- (800) 543-7362, as listed in official Medicare / NPI Registry data.
- What is Peter R. Koenig's NPI number?
- 1922114297. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter R. Koenig works
Medicare's Facility Affiliation Data lists Peter R. Koenig at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ann & Robert H Lurie Childrens Hospital of ChicagoChicago, IL · Children's Hospital · CCN 143300
Practice locations
Addresses where Peter R. Koenig is enrolled with Medicare (CMS data updated 2026-10-02).
- 1131 Techny RdNorthbrook, IL 60062 (800) 543‑7362
- 225 E Chicago AveChicago, IL 60611 (312) 227‑6415
- 2301 Enterprise DrWestchester, IL 60154 (800) 543‑7362
Group practices
Medicare enrollment lists Peter R. Koenig as a member of this group (CMS data updated 2026-10-02).
- Lurie Children's Medical Group Inc.151 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Northbrook
Clinicians with the same Medicare primary specialty in Northbrook, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922114297 |
| 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