Quick answers
- Which hospitals does Muhammad B. Abushaer work at?
- Medicare's official clinician data lists Muhammad B. Abushaer at 5 hospitals: Lawrence County Memorial Hospital, Loyola University Medical Center, Northwestern Medicine Central Dupage Hospital, UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Muhammad B. Abushaer see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL and Hinsdale, IL. Call before your visit to confirm the address.
- What is Muhammad B. Abushaer's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine.
- Does Muhammad B. Abushaer accept Medicare assignment?
- Yes. Medicare's clinician data says Muhammad B. Abushaer 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 Muhammad B. Abushaer?
- (773) 826-6300, as listed in official Medicare / NPI Registry data.
- What is Muhammad B. Abushaer's NPI number?
- 1942258983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Muhammad B. Abushaer works
Medicare's Facility Affiliation Data lists Muhammad B. Abushaer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lawrence County Memorial HospitalLawrenceville, IL · Critical Access Hospital · CCN 141344
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · CCN 140065
Practice locations
Addresses where Muhammad B. Abushaer is enrolled with Medicare (CMS data updated 2026-10-02).
- 3435 W Van Buren StChicago, IL 60624 (773) 826‑6300
- 5601 S County Line RdHinsdale, IL 60521 (630) 286‑4000
Group practices
Medicare enrollment lists Muhammad B. Abushaer as a member of this group (CMS data updated 2026-10-02).
- RML Health Providers Limited Partnership11 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942258983 |
| 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