Mrs Leeanne S Mather, APRN - Medicare Nurse Practitioner in Portland, ME

Mrs Leeanne S Mather, APRN is a medicare enrolled "Nurse Practitioner - Family" in Portland, Maine. She graduated from nursing school in 2012 and has 14 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Core Physicians Llc and her current practice location is 161 Marginal Way, Portland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 773-7964.

Mrs Leeanne S Mather is licensed to practice in Maine (license number CNP251652) 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 1669722013.

Contact Information

Mrs Leeanne S Mather, APRN
161 Marginal Way,
Portland, ME 04101-2438
(207) 773-7964
Not Available

Map and Direction




Provider's Profile

Full NameMrs Leeanne S Mather
GenderFemale
SpecialityNurse Practitioner
Experience14 Years
Location161 Marginal Way, Portland, Maine
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 Leeanne S Mather graduated from nursing school in 2012
  NPI Data:
  • NPI Number: 1669722013
  • Provider Enumeration Date: 09/13/2012
  • Last Update Date: 12/30/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3375796667
  • Enrollment ID: I20130117000467

Medical Identifiers

Medical identifiers for Mrs Leeanne S Mather such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669722013NPI-NPPES
3078641MedicaidNH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family CNP251652 (Maine)Primary
363L00000XNurse Practitioner 064302-23 (New Hampshire)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Exeter Hospital IncExeter, NHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Core Physicians Llc2769563253262

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 Leeanne S Mather allows following entities to bill medicare on her behalf.
Entity NameCore Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336330588
PECOS PAC ID: 2769563253
Enrollment ID: O20080123000205

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 Leeanne S Mather 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 Leeanne S Mather, APRN
161 Marginal Way,
Portland, ME 04101-2438

Ph: (207) 773-7964
Mrs Leeanne S Mather, APRN
161 Marginal Way,
Portland, ME 04101-2438

Ph: (207) 773-7964

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.