Quick answers
- Which hospitals does William B. Weems work at?
- Medicare's official clinician data lists William B. Weems at 3 hospitals: Advocate Sherman Hospital, Javon Bea Hospital and Saint Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William B. Weems see patients?
- Medicare's clinician data lists 6 practice locations, including Quincy, IL, Elgin, IL and Buffalo Grove, IL. Call before your visit to confirm the address.
- What is William B. Weems's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does William B. Weems accept Medicare assignment?
- Yes. Medicare's clinician data says William B. Weems 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 William B. Weems?
- (217) 223-8400, as listed in official Medicare / NPI Registry data.
- What is William B. Weems's NPI number?
- 1003856295. 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 B. Weems works
Medicare's Facility Affiliation Data lists William B. Weems at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- Saint Joseph Medical CenterJoliet, IL · Acute Care Hospital · CCN 140007
Practice locations
Addresses where William B. Weems is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1005 Broadway StQuincy, IL 62301 (217) 223‑8400
- 1425 N Randall RdElgin, IL 60123 (847) 742‑9800
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 333 Madison StJoliet, IL 60435 (815) 725‑7133
- 5875 E Riverside BlvdRockford, IL 61114 (815) 398‑9491
Group practices
Medicare enrollment lists William B. Weems as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Orthomidwest, PLLC547 clinicians in the group
- Rockford Health Physicians521 clinicians in the group
- North American Partners in Anesthesia Illinois LLC431 clinicians in the group
- Blessing Hospital421 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Quincy
Clinicians with the same Medicare primary specialty in Quincy, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003856295 |
| 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