Quick answers
- Which hospitals does William P. Egbert work at?
- Medicare's official clinician data lists William P. Egbert at 1 hospital: Campbell County Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William P. Egbert see patients?
- Medicare's clinician data lists 2 practice locations, including Gillette, WY. Call before your visit to confirm the address.
- What is William P. Egbert's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does William P. Egbert accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Egbert 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 P. Egbert?
- (307) 688-1000, as listed in official Medicare / NPI Registry data.
- What is William P. Egbert's NPI number?
- 1134684509. 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 P. Egbert works
Medicare's Facility Affiliation Data lists William P. Egbert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Campbell County HealthGillette, WY · Acute Care Hospital · CCN 530002
Practice locations
Addresses where William P. Egbert is enrolled with Medicare (CMS data updated 2026-10-02).
- 501 S Burma AveGillette, WY 82716 (307) 688‑1000
- 501 S Burma Ave, Fl 3Gillette, WY 82716
Group practices
Medicare enrollment lists William P. Egbert as a member of this group (CMS data updated 2026-10-02).
- Campbell County Hospital District131 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Gillette
Clinicians with the same Medicare primary specialty in Gillette, WY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134684509 |
| 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