Quick answers
- Which hospitals does Ernest J. Buck work at?
- Medicare's official clinician data lists Ernest J. Buck at 3 hospitals: Ingalls Memorial Hospital, Lakeland Hospital, St Joseph and Midland Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ernest J. Buck see patients?
- Medicare's clinician data lists 3 practice locations, including Calumet City, IL, Flossmoor, IL and Niles, MI. Call before your visit to confirm the address.
- What is Ernest J. Buck's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Ernest J. Buck accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest J. Buck 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 Ernest J. Buck?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is Ernest J. Buck's NPI number?
- 1861504987. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernest J. Buck works
Medicare's Facility Affiliation Data lists Ernest J. Buck at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · CCN 140191
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · CCN 230021
- Midland Memorial HospitalMidland, TX · Acute Care Hospital · CCN 450133
Practice locations
Addresses where Ernest J. Buck is enrolled with Medicare (CMS data updated 2026-10-02).
- 1600 Torrence AveCalumet City, IL 60409 (954) 939‑5000
- 19550 Governors HwyFlossmoor, IL 60422 (954) 939‑5000
- 31 N Saint Joseph AveNiles, MI 49120 (954) 939‑5000
Group practices
Medicare enrollment lists Ernest J. Buck as a member of these groups (CMS data updated 2026-10-02).
- Harvey Emergency Physicians PLLC49 clinicians in the group
- Epmg Southwest Michigan PLLC45 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Calumet City
Clinicians with the same Medicare primary specialty in Calumet City, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861504987 |
| 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