Mark A Olson, MD - Medicare Family Practice in Williston, ND

Mark A Olson, MD is a medicare enrolled "Family Medicine" physician in Williston, North Dakota. He went to University Of North Dakota School Of Medicine and graduated in 1991 and has 33 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Trinity Health, Hot Springs County Hospital District and his current practice location is 1321 W Dakota Pkwy, Williston, North Dakota. You can reach out to his office (for appointments etc.) via phone at (701) 572-7711.

Mark A Olson is licensed to practice in North Dakota (license number 6450) 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 1023182110.

Contact Information

Mark A Olson, MD
1321 W Dakota Pkwy,
Williston, ND 58801-3807
(701) 572-7711
(701) 572-2283

Map and Direction




Physician's Profile

Full NameMark A Olson
GenderMale
SpecialityFamily Practice
Experience33 Years
Location1321 W Dakota Pkwy, Williston, North Dakota
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 A Olson attended and graduated from University Of North Dakota School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1023182110
  • Provider Enumeration Date: 11/20/2006
  • Last Update Date: 12/26/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2860533593
  • Enrollment ID: I20100104000332

Medical Identifiers

Medical identifiers for Mark A Olson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023182110NPI-NPPES
1451763MedicaidND

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 6450 (North Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Chi Health At HomeWilliston, NDHome health agency
Trinity HospitalsMinot, NDHospital
Chi St Alexius Health WillistonWilliston, NDHospital
Sidney Health CenterSidney, MTHospital
Bethel Lutheran Nursing & Rehabilitation CenterWilliston, NDNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Trinity Health7911816020277
Hot Springs County Hospital District923402043919

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 A Olson allows following entities to bill medicare on his behalf.
Entity NameTrinity Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083653752
PECOS PAC ID: 7911816020
Enrollment ID: O20031106000316

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 A Olson 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 A Olson, MD
Po Box 5010,
Minot, ND 58702-5010

Ph: (701) 418-8000
Mark A Olson, MD
1321 W Dakota Pkwy,
Williston, ND 58801-3807

Ph: (701) 572-7711

Reviews and Comments


Family Medicine Doctors in Williston, ND

William J Brunsman, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1102 Main, Williston, ND 58801
Phone: 701-572-7711    Fax: 701-572-2283
James A Kennedy, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1321 W Dakota Pkwy, Williston, ND 58801
Phone: 701-572-7711    Fax: 701-572-2283
William E Code, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1102 Main, Williston, ND 58801
Phone: 701-572-7711    Fax: 701-572-2283
Dr. Lynn M Nyquist, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 15th Ave W, Williston, ND 58801
Phone: 701-774-7470    Fax: 701-774-7479
Brittany Bertsch, DO
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1321 W Dakota Pkwy, Williston, ND 58801
Phone: 701-418-8000    
Ryan M Siewert, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1321 W Dakota Pkwy, Williston, ND 58801
Phone: 701-572-7711    Fax: 701-572-2283

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.