Mrs Isabel Margarita Lemasters, APRN - Medicare Nurse Practitioner in Medford, OR

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Mrs Isabel Margarita Lemasters, APRN is a medicare enrolled "Nurse Practitioner - Family" physician in Medford, Oregon. She graduated from medical school in 2013 and has 12 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Rogue Valley Physicians and her current practice location is 2500 E Barnett Rd, Medford, Oregon. You can reach out to her office (for appointments etc.) via phone at (541) 646-9400.

Mrs Isabel Margarita Lemasters is licensed to practice in Oregon (license number 202010826NP-PP) 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 1811514961.

Contact Information

Mrs Isabel Margarita Lemasters, APRN
2500 E Barnett Rd,
Medford, OR 97504-8345
(541) 646-9400
(541) 646-9414

Map and Direction




Physician's Profile

Full NameMrs Isabel Margarita Lemasters
GenderFemale
SpecialityNurse Practitioner
Experience12 Years
Location2500 E Barnett Rd, Medford, Oregon
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:
  • Mrs Isabel Margarita Lemasters graduated from medical school in 2013
  NPI Data:
  • NPI Number: 1811514961
  • Provider Enumeration Date: 07/05/2020
  • Last Update Date: 04/01/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4082081583
  • Enrollment ID: I20240717001023

Medical Identifiers

Medical identifiers for Mrs Isabel Margarita Lemasters such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811514961NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 202010826NP-PP (Oregon)Secondary
363LF0000XNurse Practitioner - Family 24068 (South Carolina)Secondary
363LF0000XNurse Practitioner - Family 202010826NP-PP (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Asante Rogue Regional Medical CenterMedford, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rogue Valley Physicians185037424021

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 Isabel Margarita Lemasters allows following entities to bill medicare on her behalf.
Entity NameRogue Valley Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699761932
PECOS PAC ID: 1850374240
Enrollment ID: O20040608000628

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 Isabel Margarita Lemasters 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 Isabel Margarita Lemasters, APRN
2500 E Barnett Rd,
Medford, OR 97504-8345

Ph: (541) 646-9400		Mrs Isabel Margarita Lemasters, APRN
2500 E Barnett Rd,
Medford, OR 97504-8345

Ph: (541) 646-9400

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.