Quick answers
- Which hospitals does Thomas F. O'Connell work at?
- Medicare's official clinician data lists Thomas F. O'Connell at 4 hospitals: Alexian Brothers Medical Center 1, Northwest Community Hospital 1, Northwestern Medicine Central Dupage Hospital and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas F. O'Connell see patients?
- Medicare's clinician data lists 5 practice locations, including Hoffman Estates, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
- What is Thomas F. O'Connell's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Thomas F. O'Connell accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas F. O'Connell 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 Thomas F. O'Connell?
- (847) 843-2000, as listed in official Medicare / NPI Registry data.
- What is Thomas F. O'Connell's NPI number?
- 1639564347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas F. O'Connell works
Medicare's Facility Affiliation Data lists Thomas F. O'Connell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · CCN 140258
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- St Alexius Medical CenterHoffman Estates, IL · Acute Care Hospital · CCN 140290
Practice locations
Addresses where Thomas F. O'Connell is enrolled with Medicare (CMS data updated 2026-10-02).
- 1555 Barrington RdHoffman Estates, IL 60169 (847) 843‑2000
- 1650 Moon Lake BlvdHoffman Estates, IL 60169 (800) 432‑5005
- 800 Biesterfield RdElk Grove Village, IL 60007 (847) 437‑5500
- 935 Beisner RdElk Grove Village, IL 60007 (847) 640‑5600
- 955 Beisner RdElk Grove Village, IL 60007 (847) 952‑7200
Group practices
Medicare enrollment lists Thomas F. O'Connell as a member of this group (CMS data updated 2026-10-02).
- Alexian Brothers Specialty Group46 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Hoffman Estates
Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639564347 |
| 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