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John Schallenkamp MD

Radiation Oncology Physician · Oncologist in Billings, MT

2825 8th Avenue N # 4

Billings, MT 59101

(406) 238-2500

Provider details

Specialty
Radiation Oncology Physician
Credentials
MD
NPI number
1265455018

Checked against the CMS National Provider Identifier registry on October 2, 2026.

Medicare information

Medical school
Medical College of Wisconsin, graduated 2000
Also practices
Hematology/oncology
Also sees patients at
  • Memorial Hospital of Laramie County
    214 E 23rd St, Cheyenne, WY 82001 · (307) 634-2273
Hospital affiliations
  • Cheyenne Regional Medical Center, Cheyenne, WY · Medicare rating 3 out of 5 stars
  • Billings Clinic Hospital, Billings, MT · Medicare rating 4 out of 5 stars
  • Platte County Hospital, Wheatland, WY · Medicare rating 4 out of 5 stars
  • Poudre Valley Hospital, Fort Collins, CO · Medicare rating 5 out of 5 stars
Medicare
Accepts Medicare assignment (the Medicare-approved amount as full payment)
Telehealth
Offers telehealth visits

From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare

About

John Schallenkamp MD is a radiation oncology physician in Billings, Montana, registered with the federal National Provider Identifier (NPI) registry. They attended Medical College of Wisconsin, graduating in 2000. Contact the provider directly to confirm services, hours and accepted insurance.

Other care in Billings

Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.