Quick answers
- Which hospitals does John D. Purviance work at?
- Medicare's official clinician data lists John D. Purviance at 5 hospitals: Banner Wyoming Medical Center, Ivinson Memorial Hospital, Memorial Hospital of Converse County, North Platte Valley Medical Center and Sagewest Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. Purviance see patients?
- Medicare's clinician data lists 2 practice locations, including Lander, WY and Casper, WY. Call before your visit to confirm the address.
- What is John D. Purviance's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does John D. Purviance accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Purviance 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 John D. Purviance offer telehealth?
- Medicare's clinician data says John D. Purviance offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John D. Purviance?
- (307) 332-0324, as listed in official Medicare / NPI Registry data.
- What is John D. Purviance's NPI number?
- 1437279692. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John D. Purviance works
Medicare's Facility Affiliation Data lists John D. Purviance at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner Wyoming Medical CenterCasper, WY · Acute Care Hospital · CCN 530012
- Ivinson Memorial HospitalLaramie, WY · Acute Care Hospital · CCN 530025
- Memorial Hospital of Converse CountyDouglas, WY · Critical Access Hospital · CCN 531302
- North Platte Valley Medical CenterSaratoga, WY · Critical Access Hospital · CCN 531317
- Sagewest Health CareRiverton, WY · Acute Care Hospital · CCN 530008
Practice locations
Addresses where John D. Purviance is enrolled with Medicare (CMS data updated 2026-10-02).
- 15 Shrine Club RdLander, WY 82520 (307) 332‑0324
- 6501 E 2nd StCasper, WY 82609 (307) 235‑5433
Group practices
Medicare enrollment lists John D. Purviance as a member of this group (CMS data updated 2026-10-02).
- Rocky Mountain Oncology Center LLC10 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Wyoming
Clinicians with the same Medicare primary specialty in Wyoming — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437279692 |
| 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