Patrick Arthur Dreis, PA - Medicare Physician Assistant in Big Stone City, SD

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Patrick Arthur Dreis, PA is a medicare enrolled "Physician Assistant" in Big Stone City, South Dakota. He graduated from nursing school in 2003 and has 23 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice Avera Mckennan, Sanford Medical Center and his current practice location is 451 Main St, Big Stone City, South Dakota. You can reach out to his office (for appointments etc.) via phone at (605) 862-7999.

Patrick Arthur Dreis is licensed to practice in South Dakota (license number 0568) 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 1245203132.

Contact Information

Patrick Arthur Dreis, PA
451 Main St,
Big Stone City, SD 57216
(605) 862-7999
(605) 862-7998

Map and Direction




Provider's Profile

Full NamePatrick Arthur Dreis
GenderMale
SpecialityPhysician Assistant
Experience23 Years
Location451 Main St, Big Stone City, South 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:
  • Patrick Arthur Dreis graduated from nursing school in 2003
  NPI Data:
  • NPI Number: 1245203132
  • Provider Enumeration Date: 02/10/2006
  • Last Update Date: 09/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8921996737
  • Enrollment ID: I20040515000197

Medical Identifiers

Medical identifiers for Patrick Arthur Dreis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245203132NPI-NPPES
0568OtherSDPA
6825640MedicaidSD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363AS0400XPhysician Assistant - Surgical 0568 (South Dakota)Secondary
363A00000XPhysician Assistant 0568 (South Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Milbank Area Hospital/avera HealthMilbank, SDHospital
Ortonville Municipal HospitalOrtonville, MNHospital
Prairie Lakes HospitalWatertown, SDHospital
Avera Mckennan Hospital & University Health CenterSioux falls, SDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Avera Mckennan0345157103957
Sanford Medical Center8325950215847

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. Patrick Arthur Dreis allows following entities to bill medicare on his behalf.
Entity NameAvera Mckennan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699009944
PECOS PAC ID: 0345157103
Enrollment ID: O20031110000117
Entity NameSanford Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396764254
PECOS PAC ID: 0244143824
Enrollment ID: O20031110000532
Entity NameSanford Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093090342
PECOS PAC ID: 8325950215
Enrollment ID: O20040115000388

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. Patrick Arthur Dreis 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
Patrick Arthur Dreis, PA
451 Main St,
Big Stone City, SD 57216

Ph: (605) 862-7999		Patrick Arthur Dreis, PA
451 Main St,
Big Stone City, SD 57216

Ph: (605) 862-7999

Reviews and Comments



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.