Quick answers
- Which hospitals does Margaret M. Barnes work at?
- Medicare's official clinician data lists Margaret M. Barnes at 2 hospitals: Campbell County Health and Firelands Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret M. Barnes see patients?
- Medicare's clinician data lists 1 practice location in Gillette, WY. Call before your visit to confirm the address.
- What is Margaret M. Barnes's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Margaret M. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret M. Barnes 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 Margaret M. Barnes offer telehealth?
- Medicare's clinician data says Margaret M. Barnes offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Margaret M. Barnes?
- (307) 688-1000, as listed in official Medicare / NPI Registry data.
- What is Margaret M. Barnes's NPI number?
- 1699726349. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret M. Barnes works
Medicare's Facility Affiliation Data lists Margaret M. Barnes 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
- Firelands Regional Medical CenterSandusky, OH · Acute Care Hospital · CCN 360025
Practice locations
Addresses where Margaret M. Barnes is enrolled with Medicare (CMS data updated 2026-10-02).
- 501 S Burma AveGillette, WY 82716 (307) 688‑1000
Group practices
Medicare enrollment lists Margaret M. Barnes as a member of this group (CMS data updated 2026-10-02).
- Campbell County Hospital District131 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Gillette
Clinicians with the same Medicare primary specialty in Gillette, WY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699726349 |
| 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