Quick answers
- Which hospitals does Sara J. Keiler work at?
- Medicare's official clinician data lists Sara J. Keiler at 1 hospital: Northwestern Lake Forest Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara J. Keiler see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Sara J. Keiler's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Sara J. Keiler accept Medicare assignment?
- Yes. Medicare's clinician data says Sara J. Keiler 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 Sara J. Keiler?
- (773) 907-3400, as listed in official Medicare / NPI Registry data.
- What is Sara J. Keiler's NPI number?
- 1578618286. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara J. Keiler works
Medicare's Facility Affiliation Data lists Sara J. Keiler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
Practice locations
Addresses where Sara J. Keiler is enrolled with Medicare (CMS data updated 2026-10-02).
- 2740 W Foster Ave, Suite 401Chicago, IL 60625 (773) 907‑3400
Group practices
Medicare enrollment lists Sara J. Keiler as a member of this group (CMS data updated 2026-10-02).
- Infectious Disease Consultants, Ltd.7 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Florida College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578618286 |
| 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