Haeyoung Ko Hwang, MD - Medicare Allergy & Immunology in Croton, NY

Haeyoung Ko Hwang, MD is a medicare enrolled "Allergy & Immunology" physician in Croton, New York. Her current practice location is 130 Grand Street, Children's & Womens Physicians Of Westchester, Croton, New York. You can reach out to her office (for appointments etc.) via phone at (914) 271-4727.

Haeyoung Ko Hwang is licensed to practice in New York (license number 183534) 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 1235235318.

Contact Information

Haeyoung Ko Hwang, MD
130 Grand Street, Children's & Womens Physicians Of Westchester,
Croton, NY 10520
(914) 271-4727
(914) 271-5639

Map and Direction




Physician's Profile

Full NameHaeyoung Ko Hwang
GenderFemale
SpecialityAllergy & Immunology
Location130 Grand Street, Croton, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1235235318
  • Provider Enumeration Date: 09/15/2006
  • Last Update Date: 07/16/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 7113078528
  • Enrollment ID: I20090625000035

Medical Identifiers

Medical identifiers for Haeyoung Ko Hwang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235235318NPI-NPPES
01249018MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 183534 (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. Haeyoung Ko Hwang allows following entities to bill medicare on her behalf.
Entity NameBoston Children's Health Physicians Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467454967
PECOS PAC ID: 8325937014
Enrollment ID: O20040311000864

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. Haeyoung Ko Hwang 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
Haeyoung Ko Hwang, MD
6 Boulder Trl,
Chappaqua, NY 10514-3045

Ph: (914) 271-4727
Haeyoung Ko Hwang, MD
130 Grand Street, Children's & Womens Physicians Of Westchester,
Croton, NY 10520

Ph: (914) 271-4727

Reviews and Comments


Allergy & Immunology Doctors in Croton, NY


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.