Quick answers
- Which hospitals does Ammar Y. Divan work at?
- Medicare's official clinician data lists Ammar Y. Divan at 5 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine McHenry, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ammar Y. Divan see patients?
- Medicare's clinician data lists 2 practice locations, including Bloomingdale, IL and Glenview, IL. Call before your visit to confirm the address.
- What is Ammar Y. Divan's specialty?
- Medicare lists Pain Management as the primary specialty, and also Anesthesiology.
- Does Ammar Y. Divan accept Medicare assignment?
- Yes. Medicare's clinician data says Ammar Y. Divan 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.
- Does Ammar Y. Divan offer telehealth?
- Medicare's clinician data says Ammar Y. Divan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ammar Y. Divan?
- (630) 933-4550, as listed in official Medicare / NPI Registry data.
- What is Ammar Y. Divan's NPI number?
- 1588977557. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ammar Y. Divan works
Medicare's Facility Affiliation Data lists Ammar Y. Divan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Ammar Y. Divan is enrolled with Medicare (CMS data updated 2026-10-02).
- 245 S Gary Ave, Suite 100Bloomingdale, IL 60108 (630) 933‑4550
- 2600 Compass RdGlenview, IL 60026
Group practices
Medicare enrollment lists Ammar Y. Divan as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Select Rehabilitation, LLC2,046 clinicians in the group
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Pain Managementprimary
- Anesthesiologyalso
Other pain management doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588977557 |
| 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