Quick answers
- Which hospitals does Devalingam Mahalingam work at?
- Medicare's official clinician data lists Devalingam Mahalingam at 5 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Devalingam Mahalingam see patients?
- Medicare's clinician data lists 14 practice locations, including Chicago, IL and Gurnee, IL. Call before your visit to confirm the address.
- What is Devalingam Mahalingam's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Devalingam Mahalingam accept Medicare assignment?
- Yes. Medicare's clinician data says Devalingam Mahalingam 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 Devalingam Mahalingam offer telehealth?
- Medicare's clinician data says Devalingam Mahalingam offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Devalingam Mahalingam?
- (312) 472-1234, as listed in official Medicare / NPI Registry data.
- What is Devalingam Mahalingam's NPI number?
- 1164650859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Devalingam Mahalingam works
Medicare's Facility Affiliation Data lists Devalingam Mahalingam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Devalingam Mahalingam is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1333 W Belmont AveChicago, IL 60657
- 233 E Superior St, Suite 1 051Chicago, IL 60611 (312) 472‑1234
- 250 E Superior, 2304 Nwmff Prent Wmn HospChicago, IL 60611 (312) 472‑3660
- 250 E Superior StChicago, IL 60611
- 251 E HuronChicago, IL 60611
Group practices
Medicare enrollment lists Devalingam Mahalingam as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164650859 |
| 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