Wai Yin Teresa Chang, - Medicare Optometrist in Hagerstown, MD

Wai Yin Teresa Chang, is a medicare enrolled "Optometrist" provider in Hagerstown, Maryland. She went to New England College Of Optometry and graduated in 2019 and has 5 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Myeyedr Optometry Of Maryland Llc and her current practice location is 1725 Dual Hwy # B, Hagerstown, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 739-6573.

Wai Yin Teresa Chang is licensed to practice in Maryland (license number 2695) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1104478445.

Contact Information

Wai Yin Teresa Chang,
1725 Dual Hwy # B,
Hagerstown, MD 21740-6653
(301) 739-6573
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameWai Yin Teresa Chang
GenderFemale
SpecialityOptometry
Experience5 Years
Location1725 Dual Hwy # B, Hagerstown, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Wai Yin Teresa Chang attended and graduated from New England College Of Optometry in 2019
  NPI Data:
  • NPI Number: 1104478445
  • Provider Enumeration Date: 07/16/2019
  • Last Update Date: 03/29/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6406187095
  • Enrollment ID: I20191014000206

Medical Identifiers

Medical identifiers for Wai Yin Teresa Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104478445NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 2695 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Myeyedr Optometry Of Maryland Llc600203762961

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. Wai Yin Teresa Chang allows following entities to bill medicare on her behalf.
Provider NameMyeyedr Optometry Of Maryland Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1609204437
PECOS PAC ID: 6002037629
Enrollment ID: O20141024000821

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. Wai Yin Teresa Chang 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
Wai Yin Teresa Chang,
5957 Whelan Lane,
Frederick, MD 21703

Ph: () -
Wai Yin Teresa Chang,
1725 Dual Hwy # B,
Hagerstown, MD 21740-6653

Ph: (301) 739-6573

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.