Quick answers
- Which hospitals does Sherryl A. De Leon work at?
- Medicare's official clinician data lists Sherryl A. De Leon at 3 hospitals: Northwestern Lake Forest Hospital, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sherryl A. De Leon see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Sherryl A. De Leon's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sherryl A. De Leon accept Medicare assignment?
- Yes. Medicare's clinician data says Sherryl A. De Leon 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.
- Does Sherryl A. De Leon offer telehealth?
- Medicare's clinician data says Sherryl A. De Leon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sherryl A. De Leon?
- (312) 694-4101, as listed in official Medicare / NPI Registry data.
- What is Sherryl A. De Leon's NPI number?
- 1841652369. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sherryl A. De Leon works
Medicare's Facility Affiliation Data lists Sherryl A. De Leon 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
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Sherryl A. De Leon is enrolled with Medicare (CMS data updated 2026-10-02).
- 676 N Saint Clair St, Suite 415Chicago, IL 60611 (312) 694‑4101
Group practices
Medicare enrollment lists Sherryl A. De Leon as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841652369 |
| 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