Quick answers
- Which hospitals does Kareen R. Simpson work at?
- Medicare's official clinician data lists Kareen R. Simpson at 3 hospitals: Advocate Christ Hospital & Medical Center, Advocate Trinity Hospital and Ingalls Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kareen R. Simpson see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL and Munster, IN. Call before your visit to confirm the address.
- What is Kareen R. Simpson's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Kareen R. Simpson accept Medicare assignment?
- Yes. Medicare's clinician data says Kareen R. Simpson 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 Kareen R. Simpson?
- (773) 967-2000, as listed in official Medicare / NPI Registry data.
- What is Kareen R. Simpson's NPI number?
- 1780663963. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kareen R. Simpson works
Medicare's Facility Affiliation Data lists Kareen R. Simpson 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
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · CCN 140048
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · CCN 140191
Practice locations
Addresses where Kareen R. Simpson is enrolled with Medicare (CMS data updated 2026-10-02).
- 2320 E 93rd StChicago, IL 60617 (773) 967‑2000
- 314 Ridge RdMunster, IN 46321 (219) 836‑9317
Group practices
Medicare enrollment lists Kareen R. Simpson as a member of this group (CMS data updated 2026-10-02).
- Associates in Nephrology SC52 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780663963 |
| 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