John M Schallenkamp, MD - Medicare Radiation Oncology in Billings, MT

John M Schallenkamp, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Billings, Montana. He went to Medical College Of Wisconsin and graduated in 2000 and has 24 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Billings Clinic, Billings Clinic, Memorial Hospital Of Sheridan County and his current practice location is 801 N 29th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-2500.

John M Schallenkamp is licensed to practice in Montana (license number 10809) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1265455018.

Contact Information

John M Schallenkamp, MD
801 N 29th St,
Billings, MT 59101-0905
(406) 238-2500
Not Available

Map and Direction




Physician's Profile

Full NameJohn M Schallenkamp
GenderMale
SpecialityRadiation Oncology
Experience24 Years
Location801 N 29th St, Billings, Montana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John M Schallenkamp attended and graduated from Medical College Of Wisconsin in 2000
  NPI Data:
  • NPI Number: 1265455018
  • Provider Enumeration Date: 07/25/2006
  • Last Update Date: 02/07/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5092774109
  • Enrollment ID: I20050721000886

Medical Identifiers

Medical identifiers for John M Schallenkamp such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265455018NPI-NPPES
000099996OtherMTBCBS PIN
0144495OtherMTMDCD PIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 10809 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Billings ClinicBillings, MTHospital
Sheridan Memorial HospitalSheridan, WYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Billings Clinic6002993516641
Billings Clinic6002993516641
Memorial Hospital Of Sheridan County216340544054

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John M Schallenkamp allows following entities to bill medicare on his behalf.
Entity NameBillings Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326104845
PECOS PAC ID: 6002993516
Enrollment ID: O20080430000212

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John M Schallenkamp is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John M Schallenkamp, MD
Po Box 35100,
Billings, MT 59107-5100

Ph: (406) 238-2500
John M Schallenkamp, MD
801 N 29th St,
Billings, MT 59101-0905

Ph: (406) 238-2500

Reviews and Comments


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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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