Calvin Chan, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 251 W Bencamp St, San Gabriel, CA 91776
- Practice phone
- Call (626) 282-2567
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye On Design Optometry, APC
San Gabriel, California
Find Calvin Chan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Calvin Chan is an optometrist in San Gabriel, California
Calvin Chan practices at Eye On Design Optometry, APC in San Gabriel, California.
Calvin Chan's NPI, 1639067457, was assigned on June 27, 2025. Calvin Chan holds California license OPT35953-TLG.
- NPI
- 1639067457NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2025
- NPI status
- Active
- Practice phone
- (626) 282-2567
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Calvin Chan practices at Eye on Design Optometry, APC in San Gabriel, California
Calvin Chan's primary practice is Eye on Design Optometry, APC, at 251 W Bencamp St, San Gabriel, CA 91776 in Los Angeles County. The practice phone is (626) 282-2567.
- Eye on Design Optometry, APC251 W Bencamp St, San Gabriel, CA 91776 · Los Angeles CountyPhone(626) 282-2567
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Calvin Chan is affiliated with 2 sites of care and 1 medical group
Calvin Chan's primary practice is Eye On Design Optometry, APC in San Gabriel, California. Dmand AI also links Calvin Chan to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Calvin Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Calvin Chan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye On Design Optometry, APC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Calvin Chan is one of 7,206 optometrists in California
Optometrist is Calvin Chan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Calvin Chan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Calvin Chan
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Calvin Chan's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Calvin Chan's median patient age at 71, with 52% women.
Calvin Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women52%
- Men47%
Source: Dmand AI Patient Panel Data
Sources for Calvin Chan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Calvin Chan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Calvin Chan's NPI number?
Calvin Chan's NPI number is 1639067457. It was assigned on June 27, 2025, and it is active in the NPI Registry.
What does Calvin Chan specialize in?
Calvin Chan is an optometrist in San Gabriel, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Calvin Chan practice?
Calvin Chan practices at 251 W Bencamp St, San Gabriel, CA 91776. Calvin Chan's primary practice is Eye On Design Optometry, APC in San Gabriel, California. Dmand AI also links Calvin Chan to 1 group practice or clinic and 1 medical group.
What is Calvin Chan's office phone number?
The practice phone on file for Calvin Chan is (626) 282-2567.
What is Calvin Chan's medical license number?
Calvin Chan holds California license OPT35953-TLG.
How long has Calvin Chan been practicing?
Calvin Chan's NPI was assigned in 2025.
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