Quick answers
- Which hospitals does William J. Upton work at?
- Medicare's official clinician data lists William J. Upton at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine McHenry, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Upton see patients?
- Medicare's clinician data lists 4 practice locations, including Chicago, IL and Bloomington, IL. Call before your visit to confirm the address.
- What is William J. Upton's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does William J. Upton accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Upton 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 William J. Upton offer telehealth?
- Medicare's clinician data says William J. Upton offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William J. Upton?
- (309) 664-9104, as listed in official Medicare / NPI Registry data.
- What is William J. Upton's NPI number?
- 1477315273. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Upton works
Medicare's Facility Affiliation Data lists William J. Upton at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where William J. Upton is enrolled with Medicare (CMS data updated 2026-10-02).
- 1333 W Belmont AveChicago, IL 60657
- 135 N Williamsburg DrBloomington, IL 61704 (309) 664‑9104
- 675 N Saint Clair StChicago, IL 60611
- 675 N St ClairChicago, IL 60611
Group practices
Medicare enrollment lists William J. Upton as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Advanced Physical Therapy Services, Ltd.223 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477315273 |
| 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