Mark N Pierson, PA-C - Medicare Physician Assistant in Billings, MT

Mark N Pierson, PA-C is a medicare enrolled "Physician Assistant" in Billings, Montana. He graduated from nursing school in 2000 and has 24 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Ortho Montana, Psc and his current practice location is 2900 12th Ave N, Suite 140w, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-6540.

Mark N Pierson is licensed to practice in Montana (license number 414) 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 1508858234.

Contact Information

Mark N Pierson, PA-C
2900 12th Ave N, Suite 140w,
Billings, MT 59101-7506
(406) 238-6540
(406) 238-6599

Map and Direction




Provider's Profile

Full NameMark N Pierson
GenderMale
SpecialityPhysician Assistant
Experience24 Years
Location2900 12th Ave N, 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:
  • Mark N Pierson graduated from nursing school in 2000
  NPI Data:
  • NPI Number: 1508858234
  • Provider Enumeration Date: 08/18/2005
  • Last Update Date: 03/24/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 9234186453
  • Enrollment ID: I20050331000230

Medical Identifiers

Medical identifiers for Mark N Pierson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508858234NPI-NPPES
P00264425OtherMTRR MEDICARE
121839500MedicaidWY
000900873OtherMTBLUECROSS BLUESHIELD
4306705MedicaidMT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant 414 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Vincent HealthcareBillings, MTHospital
Central Montana Medical CenterLewistown, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ortho Montana, Psc519362740433

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 N Pierson 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 N Pierson, PA-C
2900 12th Ave N, Suite 140w,
Billings, MT 59101-7506

Ph: (406) 238-6540
Mark N Pierson, PA-C
2900 12th Ave N, Suite 140w,
Billings, MT 59101-7506

Ph: (406) 238-6540

Reviews and Comments


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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.