Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Thomas Chao, OD

Individual provider Optometrist · NPI 1801974860

Thomas Chao, OD is an Optometry in Brooklyn, New York. Qualified in 1989, 37 years ago. Practices with Open Door Family Medical Center Inc, a 56-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Licensed in
NY
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

7801 4th Ave
Brooklyn, NY 11209-3701
Phone: (718) 836-6661
Fax: (718) 836-0801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 004983 (NY)

Record details

NPI number1801974860
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address6254 97th Pl, Apt 3h, Rego Park, NY 11374-1346

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Open Door Family Medical Center Inc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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