Quick answers
- Which hospitals does Abraham Thomas work at?
- Medicare's official clinician data lists Abraham Thomas at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Presence St Marys Hospital, Riverside Medical Center and Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Abraham Thomas see patients?
- Medicare's clinician data lists 1 practice location in New Lenox, IL. Call before your visit to confirm the address.
- What is Abraham Thomas's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Abraham Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says Abraham Thomas 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 Abraham Thomas?
- (815) 727-4292, as listed in official Medicare / NPI Registry data.
- What is Abraham Thomas's NPI number?
- 1063423655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Abraham Thomas works
Medicare's Facility Affiliation Data lists Abraham Thomas 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
- Presence St Marys HospitalKankakee, IL · Acute Care Hospital · CCN 140155
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · CCN 140186
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
Practice locations
Addresses where Abraham Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1890 Silver Cross Blvd, Suite 265New Lenox, IL 60451 (815) 727‑4292
Group practices
Medicare enrollment lists Abraham Thomas as a member of this group (CMS data updated 2026-10-02).
- Health Service Systems, Inc68 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in New Lenox
Clinicians with the same Medicare primary specialty in New Lenox, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063423655 |
| 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