Thomas Chao, OD - Medicare Optometrist in Brooklyn, NY

Thomas Chao, OD is a medicare enrolled "Optometrist" provider in Brooklyn, New York. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Open Door Family Medical Center Inc and his current practice location is 7801 4th Ave, Brooklyn, New York. You can reach out to his office (for appointments etc.) via phone at (718) 836-6661.

Thomas Chao is licensed to practice in New York (license number 004983) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1801974860.

Contact Information

Thomas Chao, OD
7801 4th Ave,
Brooklyn, NY 11209-3701
(718) 836-6661
(718) 836-0801

Map and Direction




Healthcare Provider's Profile

Full NameThomas Chao
GenderMale
SpecialityOptometry
Experience35 Years
Location7801 4th Ave, Brooklyn, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Thomas Chao graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1801974860
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7517862261
  • Enrollment ID: I20031204001094

Medical Identifiers

Medical identifiers for Thomas Chao such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801974860NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 004983 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Open Door Family Medical Center Inc711383538045

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. Thomas Chao allows following entities to bill medicare on his behalf.
Provider NameLombardo Ophthalmology Of Bay Ridge, P.c.
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1629248901
PECOS PAC ID: 0840269288
Enrollment ID: O20041001000238
Provider NameOpen Door Family Medical Center Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1285893719
PECOS PAC ID: 7113835380
Enrollment ID: O20150224001267

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. Thomas Chao 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
Thomas Chao, OD
6254 97th Pl, Apt 3h,
Rego Park, NY 11374-1346

Ph: (718) 836-6661
Thomas Chao, OD
7801 4th Ave,
Brooklyn, NY 11209-3701

Ph: (718) 836-6661

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.