Quick answers
- Which hospitals does James A. Wallace work at?
- Medicare's official clinician data lists James A. Wallace at 4 hospitals: Ingalls Memorial Hospital, Northwestern Medicine Central Dupage Hospital, The University of Chicago Medical Center and UChicago Medicine Northwest Indiana. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James A. Wallace see patients?
- Medicare's clinician data lists 5 practice locations, including Harvey, IL, Calumet City, IL and Flossmoor, IL. Call before your visit to confirm the address.
- What is James A. Wallace's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Geriatric Medicine and Hematology/Oncology.
- Does James A. Wallace accept Medicare assignment?
- Yes. Medicare's clinician data says James A. Wallace 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 James A. Wallace offer telehealth?
- Medicare's clinician data says James A. Wallace offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James A. Wallace?
- (708) 333-2300, as listed in official Medicare / NPI Registry data.
- What is James A. Wallace's NPI number?
- 1669687307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James A. Wallace works
Medicare's Facility Affiliation Data lists James A. Wallace at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · CCN 140191
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · CCN 150195
Practice locations
Addresses where James A. Wallace is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Ingalls DrHarvey, IL 60426 (708) 333‑2300
- 1600 Torrence AveCalumet City, IL 60409 (708) 647‑7565
- 19550 Governors HwyFlossmoor, IL 60422 (708) 342‑3000
- 6701 159th St, Suite 1Tinley Park, IL 60477 (708) 798‑9475
- 71 W 156th StHarvey, IL 60426
Group practices
Medicare enrollment lists James A. Wallace as a member of this group (CMS data updated 2026-10-02).
- Ucm Medical Group Sub LLC109 clinicians in the group
Specialties
- Medical Oncologyprimary
- Geriatric Medicinealso
- Hematology/Oncologyalso
Other oncologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Vermont College Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669687307 |
| 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