Sari Rey Kerslake, FNP - Medicare Nurse Practitioner in Stevensville, MT

Sari Rey Kerslake, FNP is a medicare enrolled "Nurse Practitioner - Family" physician in Stevensville, Montana. She graduated from medical school in 2018 and has 8 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Providence Health And Services Mt and her current practice location is 715 Main St, Stevensville, Montana. You can reach out to her office (for appointments etc.) via phone at (406) 777-5522.

Sari Rey Kerslake is licensed to practice in Montana (license number 143817) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1174081723.

Contact Information

Sari Rey Kerslake, FNP
715 Main St,
Stevensville, MT 59870-2846
(406) 777-5522
(406) 777-1175

Map and Direction




Physician's Profile

Full NameSari Rey Kerslake
GenderFemale
SpecialityNurse Practitioner
Experience8 Years
Location715 Main St, Stevensville, Montana
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sari Rey Kerslake graduated from medical school in 2018
  NPI Data:
  • NPI Number: 1174081723
  • Provider Enumeration Date: 03/03/2019
  • Last Update Date: 05/22/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4486980869
  • Enrollment ID: I20200317001835

Medical Identifiers

Medical identifiers for Sari Rey Kerslake such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174081723NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 143817 (Montana)Secondary
363LF0000XNurse Practitioner - Family 143817 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St. Patrick HospitalMissoula, MTHospital
Marcus Daly Memorial Hospital - CahHamilton, MTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Health And Services Mt6608786306293

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. Sari Rey Kerslake allows following entities to bill medicare on her behalf.
Entity NameProvidence Health & Services Mt
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144319138
PECOS PAC ID: 6608786306
Enrollment ID: O20031229000787
Entity NameRchp Billings - Missoula Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376946913
PECOS PAC ID: 8426370842
Enrollment ID: O20150312000492
Entity NameStorybrook Medicine Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720523798
PECOS PAC ID: 6709169097
Enrollment ID: O20170211000240

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. Sari Rey Kerslake 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
Sari Rey Kerslake, FNP
Po Box 31001-4110,
Pasadena, CA 91110-4110

Ph: (406) 777-5522
Sari Rey Kerslake, FNP
715 Main St,
Stevensville, MT 59870-2846

Ph: (406) 777-5522

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.