Mrs Teresa Frey, DO - Medicare Hospitalist in Great Falls, MT

Mrs Teresa Frey, DO is a medicare enrolled "Hospitalist" physician in Great Falls, Montana. Her current practice location is 1101 26th St S, Great Falls, Montana. You can reach out to her office (for appointments etc.) via phone at (406) 731-8888.

Mrs Teresa Frey is licensed to practice in Montana (license number 126723) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1336536291.

Contact Information

Mrs Teresa Frey, DO
1101 26th St S,
Great Falls, MT 59405-5161
(406) 731-8888
(406) 731-8318

Map and Direction




Physician's Profile

Full NameMrs Teresa Frey
GenderFemale
SpecialityHospitalist
Location1101 26th St S, Great Falls, Montana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1336536291
  • Provider Enumeration Date: 04/17/2015
  • Last Update Date: 06/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981910395
  • Enrollment ID: I20181114000958

Medical Identifiers

Medical identifiers for Mrs Teresa Frey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336536291NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 15241 (North Dakota)Secondary
208M00000XHospitalist PT15241 (North Dakota)Secondary
208M00000XHospitalist 126723 (Montana)Primary

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. Mrs Teresa Frey allows following entities to bill medicare on her behalf.
Entity NameSanford Clinic North
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942241351
PECOS PAC ID: 4284546151
Enrollment ID: O20031112000221
Entity NameSanford Medical Center Fargo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184917924
PECOS PAC ID: 8426967803
Enrollment ID: O20110331000495

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. Mrs Teresa Frey 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
Mrs Teresa Frey, DO
Po Box 6010,
Great Falls, MT 59406-6010

Ph: (406) 731-8888
Mrs Teresa Frey, DO
1101 26th St S,
Great Falls, MT 59405-5161

Ph: (406) 731-8888

Reviews and Comments


Hospitalist Doctors in Great Falls, MT

Chu Shei Hong, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 406-455-5319    Fax: 406-455-4173
Dr. James Tennent Geren, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 406-731-8888    Fax: 406-731-8876
Dr. Michael Shun Yeen Yu, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 406-731-8888    Fax: 406-731-8318
Mr. Don Stuart Wipf, FNP-BC
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1609 41st St S, Great Falls, MT 59405
Phone: 605-360-8477    
Tauqeer Rahat, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 443-851-6886    
Swati Pandey, MBBS
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1101 26th St S, Great Falls, MT 59405
Phone: 406-731-8888    

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.