Quick answers
- Which hospitals does Abraham Thomas work at?
- Medicare's official clinician data lists Abraham Thomas at 5 hospitals: Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital, OSF Little Company of Mary Medical Center, Palos Community Hospital 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 7 practice locations, including South Holland, IL, Alsip, IL and Orland Park, IL. Call before your visit to confirm the address.
- What is Abraham Thomas's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- 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?
- (708) 730-2200, as listed in official Medicare / NPI Registry data.
- What is Abraham Thomas's NPI number?
- 1255356689. 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.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
- 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). The first 5 of 7; the Medicare profile lists all.
- 100 W 162nd St, Advocate Med Grp S HollandSouth Holland, IL 60473 (708) 730‑2200
- 12250 S Cicero Ave, Suite 112Alsip, IL 60803 (708) 371‑5308
- 16605 S 107th CtOrland Park, IL 60467 (708) 422‑7715
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 4440 W 95th StOak Lawn, IL 60453
Group practices
Medicare enrollment lists Abraham Thomas as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Nephrology Associates of Northern Illinois Ltd117 clinicians in the group
- Southwest Nephrology Associates, S.C.13 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in South Holland
Clinicians with the same Medicare primary specialty in South Holland, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255356689 |
| 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