Quick answers
- Which hospitals does Ronald A. Bloom work at?
- Medicare's official clinician data lists Ronald A. Bloom at 2 hospitals: Advocate Lutheran General Hospital and Northshore University Healthsystem - Evanston Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald A. Bloom see patients?
- Medicare's clinician data lists 2 practice locations, including Glenview, IL and Elgin, IL. Call before your visit to confirm the address.
- What is Ronald A. Bloom's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ronald A. Bloom accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald A. Bloom 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 Ronald A. Bloom?
- (847) 677-1170, as listed in official Medicare / NPI Registry data.
- What is Ronald A. Bloom's NPI number?
- 1659353779. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald A. Bloom works
Medicare's Facility Affiliation Data lists Ronald A. Bloom at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · CCN 140223
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · CCN 140010
Practice locations
Addresses where Ronald A. Bloom is enrolled with Medicare (CMS data updated 2026-10-02).
- 2501 Compass Rd, Suite 130Glenview, IL 60026 (847) 677‑1170
- 745 Fletcher Dr, Suite 202Elgin, IL 60123 (847) 888‑1300
Group practices
Medicare enrollment lists Ronald A. Bloom as a member of this group (CMS data updated 2026-10-02).
- Illinois Gastroenterology Group LLC115 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Glenview
Clinicians with the same Medicare primary specialty in Glenview, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659353779 |
| 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