Quick answers
- Which hospitals does Oscar M. Sanchez work at?
- Medicare's official clinician data lists Oscar M. Sanchez 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 Oscar M. Sanchez see patients?
- Medicare's clinician data lists 1 practice location in McHenry, IL. Call before your visit to confirm the address.
- What is Oscar M. Sanchez's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Oscar M. Sanchez accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar M. Sanchez 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 Oscar M. Sanchez?
- (815) 578-0224, as listed in official Medicare / NPI Registry data.
- What is Oscar M. Sanchez's NPI number?
- 1164426094. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oscar M. Sanchez works
Medicare's Facility Affiliation Data lists Oscar M. Sanchez 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 Oscar M. Sanchez is enrolled with Medicare (CMS data updated 2026-10-02).
- 5435 Bull Valley RdMcHenry, IL 60050 (815) 578‑0224
Specialties
- Internal Medicineprimary
Other internal medicine doctors in McHenry
Clinicians with the same Medicare primary specialty in McHenry, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164426094 |
| 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