Quick answers
- Which hospitals does Sharon E. Larsen work at?
- Medicare's official clinician data lists Sharon E. Larsen at 3 hospitals: Advocate Good Shepherd Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sharon E. Larsen see patients?
- Medicare's clinician data lists 1 practice location in Crystal Lake, IL. Call before your visit to confirm the address.
- What is Sharon E. Larsen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sharon E. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Sharon E. Larsen 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 Sharon E. Larsen?
- (815) 459-7127, as listed in official Medicare / NPI Registry data.
- What is Sharon E. Larsen's NPI number?
- 1861785032. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sharon E. Larsen works
Medicare's Facility Affiliation Data lists Sharon E. Larsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · CCN 140291
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where Sharon E. Larsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 760 McArdle Dr, Suite ACrystal Lake, IL 60014 (815) 459‑7127
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Crystal Lake
Clinicians with the same Medicare primary specialty in Crystal Lake, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861785032 |
| 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