Mrs Melissa Ashley Fengler, NP - Medicare Nurse Practitioner in West Islip, NY

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Mrs Melissa Ashley Fengler, NP is a medicare enrolled "Nurse Practitioner - Adult Health" in West Islip, New York. Her current practice location is 540 Union Blvd, West Islip, New York. You can reach out to her office (for appointments etc.) via phone at (631) 669-2555.

Mrs Melissa Ashley Fengler is licensed to practice in New York (license number 306510) 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 1881034858.

Contact Information

Mrs Melissa Ashley Fengler, NP
540 Union Blvd,
West Islip, NY 11795-3105
(631) 669-2555
Not Available

Map and Direction




Provider's Profile

Full NameMrs Melissa Ashley Fengler
GenderFemale
SpecialityNurse Practitioner - Adult Health
Location540 Union Blvd, West 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: 1881034858
  • Provider Enumeration Date: 07/05/2013
  • Last Update Date: 07/05/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5395961452
  • Enrollment ID: I20140725000532

Medical Identifiers

Medical identifiers for Mrs Melissa Ashley Fengler such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1881034858NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 585449-1 (New York)Secondary
363LA2200XNurse Practitioner - Adult Health 306510 (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. Mrs Melissa Ashley Fengler allows following entities to bill medicare on her behalf.
Entity NameSt Francis Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760704811
PECOS PAC ID: 9234101221
Enrollment ID: O20040810001086
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. Mrs Melissa Ashley Fengler 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 Melissa Ashley Fengler, NP
364 Oakwood Ave,
West Islip, NY 11795-2913

Ph: (631) 680-0359		Mrs Melissa Ashley Fengler, NP
540 Union Blvd,
West Islip, NY 11795-3105

Ph: (631) 669-2555

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.