Quick answers
- Which hospitals does Derek A. Ewell work at?
- Medicare's official clinician data lists Derek A. Ewell at 2 hospitals: Ivinson Memorial Hospital and Memorial Hospital of Carbon County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derek A. Ewell see patients?
- Medicare's clinician data lists 1 practice location in Laramie, WY. Call before your visit to confirm the address.
- What is Derek A. Ewell's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Derek A. Ewell accept Medicare assignment?
- Yes. Medicare's clinician data says Derek A. Ewell 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 Derek A. Ewell offer telehealth?
- Medicare's clinician data says Derek A. Ewell offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Derek A. Ewell?
- (307) 742-2142, as listed in official Medicare / NPI Registry data.
- What is Derek A. Ewell's NPI number?
- 1114283124. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derek A. Ewell works
Medicare's Facility Affiliation Data lists Derek A. Ewell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ivinson Memorial HospitalLaramie, WY · Acute Care Hospital · CCN 530025
- Memorial Hospital of Carbon CountyRawlins, WY · Critical Access Hospital · CCN 531316
Practice locations
Addresses where Derek A. Ewell is enrolled with Medicare (CMS data updated 2026-10-02).
- 255 N 30th StLaramie, WY 82072 (307) 742‑2142
Group practices
Medicare enrollment lists Derek A. Ewell as a member of this group (CMS data updated 2026-10-02).
- Ivinson Memorial Hospital63 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Laramie
Clinicians with the same Medicare primary specialty in Laramie, WY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114283124 |
| 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