Dr Erin K Ly, MD - Medicare Internal Medicine in Buffalo, NY

Dr Erin K Ly, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Buffalo, New York. Her current practice location is 462 Grider St, Buffalo, New York. You can reach out to her office (for appointments etc.) via phone at (716) 898-3000.

Dr Erin K Ly is licensed to practice in New York (license number 320787) 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 1740638725.

Contact Information

Dr Erin K Ly, MD
462 Grider St,
Buffalo, NY 14215-3021
(716) 898-3000
Not Available

Map and Direction




Physician's Profile

Full NameDr Erin K Ly
GenderFemale
SpecialityInternal Medicine - Gastroenterology
Location462 Grider St, Buffalo, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740638725
  • Provider Enumeration Date: 05/31/2016
  • Last Update Date: 02/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5193052348
  • Enrollment ID: I20230221000526

Medical Identifiers

Medical identifiers for Dr Erin K Ly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740638725NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 320787 (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. Dr Erin K Ly allows following entities to bill medicare on her behalf.
Entity NameAcademic Medicine Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255394763
PECOS PAC ID: 0941105241
Enrollment ID: O20040429000839
Entity NameErie County Medical Center Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528233616
PECOS PAC ID: 1456308907
Enrollment ID: O20050715000538

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. Dr Erin K Ly 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
Dr Erin K Ly, MD
4498 Main St Ste 23,
Amherst, NY 14226-3826

Ph: () -
Dr Erin K Ly, MD
462 Grider St,
Buffalo, NY 14215-3021

Ph: (716) 898-3000

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.