Marcelina Migdalia Stewart, RN - Medicare Nurse Practitioner in Islip, NY

Marcelina Migdalia Stewart, RN is a medicare enrolled "Nurse Practitioner - Adult Health" in Islip, New York. Her current practice location is 61 Tamarack St, Islip, New York. You can reach out to her office (for appointments etc.) via phone at (917) 515-6271.

Marcelina Migdalia Stewart is licensed to practice in New York (license number F310272-01) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1386968550.

Contact Information

Marcelina Migdalia Stewart, RN
61 Tamarack St,
Islip, NY 11751-1909
(917) 515-6271
Not Available

Map and Direction




Provider's Profile

Full NameMarcelina Migdalia Stewart
GenderFemale
SpecialityNurse Practitioner - Adult Health
Location61 Tamarack St, Islip, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1386968550
  • Provider Enumeration Date: 03/17/2010
  • Last Update Date: 08/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9335503721
  • Enrollment ID: I20230919001442

Medical Identifiers

Medical identifiers for Marcelina Migdalia Stewart such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386968550NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 585456-1 (New York)Secondary
164W00000XLicensed Practical Nurse 284237-1 (New York)Secondary
363LA2200XNurse Practitioner - Adult Health F310272-01 (New York)Primary

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. Marcelina Migdalia Stewart allows following entities to bill medicare on her behalf.
Entity NameNew York University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285826438
PECOS PAC ID: 1355232422
Enrollment ID: O20090822000026

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. Marcelina Migdalia Stewart 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
Marcelina Migdalia Stewart, RN
61 Tamarack St,
Islip, NY 11751-1909

Ph: (917) 515-6271
Marcelina Migdalia Stewart, RN
61 Tamarack St,
Islip, NY 11751-1909

Ph: (917) 515-6271

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.