Malgorzata Krystyna Mierzejewski, MSN,RN,FNP-BC - Medicare Nurse Practitioner in East Northport, NY

Malgorzata Krystyna Mierzejewski, MSN,RN,FNP-BC is a medicare enrolled "Nurse Practitioner - Family" in East Northport, New York. 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 North Shore - Lij Medical Pc and her current practice location is 7 Pulaski Rd, East Northport, New York. You can reach out to her office (for appointments etc.) via phone at (631) 261-3322.

Malgorzata Krystyna Mierzejewski is licensed to practice in New York (license number F343483-1) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1750858288.

Contact Information

Malgorzata Krystyna Mierzejewski, MSN,RN,FNP-BC
7 Pulaski Rd,
East Northport, NY 11731-2442
(631) 261-3322
Not Available

Map and Direction




Provider's Profile

Full NameMalgorzata Krystyna Mierzejewski
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location7 Pulaski Rd, East Northport, New York
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Malgorzata Krystyna Mierzejewski graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1750858288
  • Provider Enumeration Date: 11/02/2018
  • Last Update Date: 11/16/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 0345581336
  • Enrollment ID: I20190329001969

Medical Identifiers

Medical identifiers for Malgorzata Krystyna Mierzejewski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750858288NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family F343483-1 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
North Shore - Lij Medical Pc33757015685120

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. Malgorzata Krystyna Mierzejewski allows following entities to bill medicare on her behalf.
Entity NameNorth Shore - Lij Medical Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053688572
PECOS PAC ID: 3375701568
Enrollment ID: O20120220000262

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. Malgorzata Krystyna Mierzejewski 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
Malgorzata Krystyna Mierzejewski, MSN,RN,FNP-BC
1105 Saint Johnland Rd,
Kings Park, NY 11754-3238

Ph: (631) 338-2732
Malgorzata Krystyna Mierzejewski, MSN,RN,FNP-BC
7 Pulaski Rd,
East Northport, NY 11731-2442

Ph: (631) 261-3322

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.