Quick answers
- Which hospitals does Tom Klein work at?
- Medicare's official clinician data lists Tom Klein at 4 hospitals: Community First Medical Center, Northwest Community Hospital 1, Riverside Medical Center and Saint Francis Hospital-Evanston. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tom Klein see patients?
- Medicare's clinician data lists 2 practice locations, including Riverwoods, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Tom Klein's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Tom Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Tom Klein 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 Tom Klein?
- (847) 325-5110, as listed in official Medicare / NPI Registry data.
- What is Tom Klein's NPI number?
- 1326094194. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tom Klein works
Medicare's Facility Affiliation Data lists Tom Klein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community First Medical CenterChicago, IL · Acute Care Hospital · CCN 140251
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · CCN 140186
- Saint Francis Hospital-EvanstonEvanston, IL · Acute Care Hospital · CCN 140080
Practice locations
Addresses where Tom Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1105 Milwaukee AveRiverwoods, IL 60015 (847) 325‑5110
- 3825 N CentralChicago, IL 60634 (847) 325‑5110
Group practices
Medicare enrollment lists Tom Klein as a member of this group (CMS data updated 2026-10-02).
- Tamid Medical Group6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326094194 |
| 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