Quick answers
- Which hospitals does Maan M. Barhoum work at?
- Medicare's official clinician data lists Maan M. Barhoum at 5 hospitals: Advocate Condell Medical Center, Advocate Illinois Masonic Medical Center, Northshore University Healthsystem - Evanston Hospital, Northwestern Lake Forest Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maan M. Barhoum see patients?
- Medicare's clinician data lists 1 practice location in Libertyville, IL. Call before your visit to confirm the address.
- What is Maan M. Barhoum's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Maan M. Barhoum accept Medicare assignment?
- Yes. Medicare's clinician data says Maan M. Barhoum 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 Maan M. Barhoum?
- (847) 573-9455, as listed in official Medicare / NPI Registry data.
- What is Maan M. Barhoum's NPI number?
- 1114993979. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maan M. Barhoum works
Medicare's Facility Affiliation Data lists Maan M. Barhoum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · CCN 140202
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · CCN 140010
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Maan M. Barhoum is enrolled with Medicare (CMS data updated 2026-10-02).
- 755 S Milwaukee Ave, Suite 186Libertyville, IL 60048 (847) 573‑9455
Specialties
- Endocrinologyprimary
Other endocrinologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114993979 |
| 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