Mackenzie Mullen Ross, NP - Medicare Nurse Practitioner in Portland, ME

Mackenzie Mullen Ross, NP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Portland, Maine. She graduated from nursing school in 2018 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Reliant Medical Group Inc and her current practice location is 165 Lancaster St, Portland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 874-1030.

Mackenzie Mullen Ross is licensed to practice in Maine (license number CNP191293) 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 1033627237.

Contact Information

Mackenzie Mullen Ross, NP
165 Lancaster St,
Portland, ME 04101-2406
(207) 874-1030
(207) 874-1044

Map and Direction




Provider's Profile

Full NameMackenzie Mullen Ross
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location165 Lancaster St, 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:
  • Mackenzie Mullen Ross graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1033627237
  • Provider Enumeration Date: 01/22/2018
  • Last Update Date: 01/13/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3274878509
  • Enrollment ID: I20181214001193

Medical Identifiers

Medical identifiers for Mackenzie Mullen Ross such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033627237NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WP0808XRegistered Nurse - Psychiatric/mental Health RN2312246 (Massachusetts)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health 2312246 (Massachusetts)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health CNP191293 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Reliant Medical Group Inc5597755322546

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. Mackenzie Mullen Ross allows following entities to bill medicare on her behalf.
Entity NameReliant Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720017528
PECOS PAC ID: 5597755322
Enrollment ID: O20040708000650

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. Mackenzie Mullen Ross 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
Mackenzie Mullen Ross, NP
165 Lancaster St,
Portland, ME 04101-2406

Ph: (207) 874-1030
Mackenzie Mullen Ross, NP
165 Lancaster St,
Portland, ME 04101-2406

Ph: (207) 874-1030

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.