Quick answers
- Which hospitals does William E. Greer Iv work at?
- Medicare's official clinician data lists William E. Greer Iv at 1 hospital: Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Greer Iv see patients?
- Medicare's clinician data lists 1 practice location in Springfield, IL. Call before your visit to confirm the address.
- What is William E. Greer Iv's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William E. Greer Iv accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Greer Iv 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 E. Greer Iv offer telehealth?
- Medicare's clinician data says William E. Greer Iv offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William E. Greer Iv?
- (217) 522-4300, as listed in official Medicare / NPI Registry data.
- What is William E. Greer Iv's NPI number?
- 1336397355. 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 E. Greer Iv works
Medicare's Facility Affiliation Data lists William E. Greer Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · CCN 140148
Practice locations
Addresses where William E. Greer Iv is enrolled with Medicare (CMS data updated 2026-10-02).
- 775 Engineering AveSpringfield, IL 62703 (217) 522‑4300
Group practices
Medicare enrollment lists William E. Greer Iv as a member of this group (CMS data updated 2026-10-02).
- Springfield Clinic, LLP687 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Clinician information
| Medical school | Southern Illinois University School Of Medicine |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336397355 |
| 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