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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

JOHN M. SCHALLENKAMP, MD

Active

JOHN M. SCHALLENKAMP, MD is a Radiation Oncology healthcare provider located in BILLINGS, Montana. NPI 1265455018 is currently active in the NPPES registry. Verify at CMS.

Radiation Oncology · BILLINGS, MT

Registration Details

NPI Number
1265455018
Provider Type
Individual
Gender
Male
NPI Issued
Jul 25, 2006 (20.080008675604 yrs)
Last Updated
Jul 15, 2025
Licenses
10809 (MT)
DR.0075716 (CO)

Practice Information

Address
801 N 29TH ST
BILLINGS, MT, 591010905
Browse MT providers · Browse ZIP 59101
Phone
4062382500
Primary Specialty
Radiation Oncology
2085R0001X
Additional Specialty
Radiation Oncology

Other Radiation Oncology Providers in BILLINGS, MT

Name Credential NPI
FRANK R LAMM MD 1417949033
CHRISTOPHER C GOULET M.D. 1437137155
REBECCA SUSAN TARLTON MD 1083655393
DR. TRENT DONALD MIHALICK M.D. 1942306063
MRS. BREANNE ELIZABETH TERAKEDIS M.D. 1609010578
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.