Mark Kenton Buck, MD - Medicare Family Practice in Helena, MT

Mark Kenton Buck, MD is a medicare enrolled "Family Medicine" physician in Helena, Montana. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Benefis Hospitals Inc and his current practice location is 2960 N Washington St, Helena, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 389-2555.

Mark Kenton Buck is licensed to practice in Montana (license number 8420) 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 1801887815.

Contact Information

Mark Kenton Buck, MD
2960 N Washington St,
Helena, MT 59602-1210
(406) 389-2555
(406) 443-2261

Map and Direction




Physician's Profile

Full NameMark Kenton Buck
GenderMale
SpecialityFamily Practice
Experience35 Years
Location2960 N Washington St, Helena, 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:
  • Mark Kenton Buck graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1801887815
  • Provider Enumeration Date: 10/31/2005
  • Last Update Date: 10/07/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2769374065
  • Enrollment ID: I20040415001173

Medical Identifiers

Medical identifiers for Mark Kenton Buck such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801887815NPI-NPPES
000032368MedicaidMT
810348783OtherMTBILLING TAX I.D.

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 8420 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Benefis Hospitals IncGreat falls, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Benefis Hospitals Inc1153235296279

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. Mark Kenton Buck allows following entities to bill medicare on his behalf.
Entity NameBenefis Hospitals Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780968974
PECOS PAC ID: 1153235296
Enrollment ID: O20100629000044

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. Mark Kenton Buck 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
Mark Kenton Buck, MD
1401 25th St S, Bmg Admin,
Great Falls, MT 59405-5183

Ph: (406) 731-8888
Mark Kenton Buck, MD
2960 N Washington St,
Helena, MT 59602-1210

Ph: (406) 389-2555

Reviews and Comments


Family Medicine Doctors in Helena, MT

John J Cassani, DO
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2550 E Broadway St, Helena, MT 59601
Phone: 406-457-4180    
Dr. William Christopher Snider, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1930 9th Ave, Helena, MT 59601
Phone: 406-457-0000    Fax: 406-500-2128
Diane M Eodice, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 820 N Montana Ave, Helena, MT 59601
Phone: 406-443-7733    Fax: 406-443-8292
Brian W Abbott, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3150 N Montana Ave Ste A, Helena, MT 59602
Phone: 406-422-5817    Fax: 406-422-5928
Holly Lee Hoffman, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2619 Colonial Dr, Suite A, Helena, MT 59601
Phone: 406-442-1231    Fax: 406-442-6857
Andrew P Gilbert, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2550 E Broadway St, Helena, MT 59601
Phone: 406-457-4180    
Dr. Heather Mcree, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1930 9th Ave, Helena, MT 59601
Phone: 406-457-0000    Fax: 406-500-2128

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.