IndividualActive
Calvin Chan, OD
NPI 1659006120 · Optometrist · Brooklyn, NY
Calvin Chan, OD is a Optometrist provider in Brooklyn, NY (NPI 1659006120).
Provider details
- NPI number
- 1659006120
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 009619 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2071 86th St
Brooklyn, NY 11214-3203
Phone: (718) 355-9656
Street-level locationGet directions
Mailing address
2121 W 10th St
Brooklyn, NY 11223-3525
Registry dates
- Enumerated
- 2022-07-19
- Last updated
- 2022-07-19
- Certified
- 2022-07-19
Frequently asked questions
- What is Calvin Chan's NPI number?
- Calvin Chan's National Provider Identifier (NPI) is 1659006120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Chan's specialty?
- Calvin Chan is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Calvin Chan located?
- Calvin Chan's practice location on file with NPPES is 2071 86th St, Brooklyn, NY 11214-3203.
- What is Calvin Chan's phone number?
- The practice phone number listed in the NPPES registry for Calvin Chan is (718) 355-9656.
- Is Calvin Chan's NPI active?
- Yes — Calvin Chan's NPI (1659006120) is active in the NPPES registry as of the last update on 2022-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.