Gretchen Chan, FNP - Medicare Nurse Practitioner in Eastchester, NY

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Gretchen Chan, FNP is a medicare enrolled "Nurse Practitioner - Family" in Eastchester, New York. Her current practice location is 375 White Plains Rd, Eastchester, New York. You can reach out to her office (for appointments etc.) via phone at (512) 324-4780.

Gretchen Chan is licensed to practice in New York (license number 354799) 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 1538645957.

Contact Information

Gretchen Chan, FNP
375 White Plains Rd,
Eastchester, NY 10709-2826
(512) 324-4780
Not Available

Map and Direction




Provider's Profile

Full NameGretchen Chan
GenderFemale
SpecialityNurse Practitioner - Family
Location375 White Plains Rd, Eastchester, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538645957
  • Provider Enumeration Date: 07/18/2018
  • Last Update Date: 03/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6800140591
  • Enrollment ID: I20181115001998

Medical Identifiers

Medical identifiers for Gretchen Chan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538645957NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family AP137862 (Texas)Secondary
363LF0000XNurse Practitioner - Family 354799 (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. Gretchen Chan allows following entities to bill medicare on her behalf.
Entity NameSeton Family Of Doctors
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588997233
PECOS PAC ID: 0941333280
Enrollment ID: O20100806000260
Entity NameMedexpress Urgent Care Texas, P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194246884
PECOS PAC ID: 2961778790
Enrollment ID: O20171024000705
Entity NameCareathome Medical Practice Ky
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467040345
PECOS PAC ID: 6800202193
Enrollment ID: O20211103001213

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. Gretchen Chan 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
Gretchen Chan, FNP
375 White Plains Rd,
Eastchester, NY 10709-2826

Ph: () -		Gretchen Chan, FNP
375 White Plains Rd,
Eastchester, NY 10709-2826

Ph: (512) 324-4780

Reviews and Comments


Nurse Practitioner Nurses in Eastchester, NY

Ms. Mary Ellen Tracey, NP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 375 White Plains Rd, Eastchester, NY 10709
Phone: 914-337-5300    
Christina Stephenson,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 375 White Plains Rd, Eastchester, NY 10709
Phone: 866-389-2727    
Alexandra C Courtien,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 375 White Plains Rd, Eastchester, NY 10709
Phone: 914-337-5300    
Dominique Cartica, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1215 California Rd, Eastchester, NY 10709
Phone: 914-557-9852    
Edwin Duran, FNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 375 White Plains Rd, Eastchester, NY 10709
Phone: 914-337-5300    
Ms. Mary E Baptiste, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1203 California Rd, Eastchester, NY 10709
Phone: 914-779-8562    
Mrs. Krista Rose Albanese, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 375 White Plains Rd, Eastchester, NY 10709
Phone: 914-337-5300    Fax: 914-337-4753

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.