National Provider Identifier Database

JOHN M SCHALLENKAMP, MD – NPI #1265455018
Radiation Oncology

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.


Contact Information

JOHN M SCHALLENKAMP, MD
801 N 29TH ST
BILLINGS, MT59101-0905
Phone: 406-238-2500
Fax:
Website:
Specialty Taxonomy Code
* Radiation Oncology 2085R0001X

* Indicates primary specialty

NPI Profile & details for JOHN M SCHALLENKAMP

NPI Number 1265455018
Credentials MD
Entity Individual
Enumeration date 07/25/2006
Last updated 07/15/2025 - About 11 months ago
Sole proprietor1 No
Identifiers
  • CO License #: DR.0075716
  • MT License #: 10809
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

Reviews for JOHN M SCHALLENKAMP, MD

There are currently no reviews for JOHN M SCHALLENKAMP, MD


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