Terry Tsang, OD

  • Laguna Hills, CA
  • Optometrist
NPI1982755922
Industry payments
$91
Affiliated sites
2
Medical group
1
State license
1
Year NPI issued
2007
Practice address
4950 Barranca Pkwy Ste 101 Suite 101, Irvine, CA 92604-4630
Practice phone
Call (949) 733-1400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Family Tree Optometric

Eye care practice · Irvine, California

See all 3 affiliations

Find Terry Tsang'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.

View contacts for free

Terry Tsang is an optometrist in Laguna Hills, California

Terry Tsang practices at Family Tree Optometric in Irvine, California.

Terry Tsang's NPI, 1982755922, was assigned on January 16, 2007. Terry Tsang holds California license 10789.

NPI and contact details
NPI enumeration date
January 16, 2007
NPI status
Active
Practice phone
(949) 733-1400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Terry Tsang practices in Irvine and Laguna Hills

Terry Tsang's primary practice is Family Tree Optometric, at 4950 Barranca Pkwy Ste 101 Suite 101, Irvine, CA 92604-4630. The practice phone is (949) 733-1400. The NPI Registry lists Terry Tsang's practice address as 24422 Avenida De Carlota, Laguna Hills, CA 92653.

  • Family Tree OptometricPrimary
    4950 Barranca Pkwy Ste 101 Suite 101, Irvine, CA 92604-4630Phone(949) 733-1400
  • NPI Registry address
    24422 Avenida De Carlota, Laguna Hills, CA 92653 · Orange County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Terry Tsang is affiliated with 2 sites of care and 1 medical group

Terry Tsang's primary practice is Family Tree Optometric in Irvine, California. Dmand AI also links Terry Tsang to 1 physician office and 1 medical group, each named with a free account.

Family Tree OptometricEye care practice · Irvine, CaliforniaPrimary
1 physician officeName with a free account1 medical groupName with a free account
See all 3 affiliations for Terry Tsang

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Terry Tsang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Terry Tsang practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Family Tree OptometricAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Terry Tsang practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Terry Tsang is one of 7,206 optometrists in California

Optometrist is Terry Tsang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Terry Tsang is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 10789 · taxonomy 152W00000X

Optometrists near Terry Tsang

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

Terry Tsang's patients have a median age of 59

Across all payers, Dmand AI patient panel data puts Terry Tsang's median patient age at 59, with 67% women.

Terry Tsang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Terry Tsang received $91 in industry payments in 2025

CMS Open Payments shows 1 general payment to Terry Tsang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. RxSight Inc paid the most, $91.

Companies that paid Terry Tsang the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Terry Tsang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Terry Tsang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Terry Tsang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Terry Tsang's NPI number?

Terry Tsang's NPI number is 1982755922. It was assigned on January 16, 2007, and it is active in the NPI Registry.

What does Terry Tsang specialize in?

Terry Tsang is an optometrist in Laguna Hills, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Terry Tsang practice?

Terry Tsang practices at 4950 Barranca Pkwy Ste 101 Suite 101, Irvine, CA 92604-4630. Terry Tsang also practices at 24422 Avenida De Carlota, Laguna Hills, CA 92653. Terry Tsang's primary practice is Family Tree Optometric in Irvine, California. Dmand AI also links Terry Tsang to 1 physician office and 1 medical group.

What is Terry Tsang's office phone number?

The practice phone on file for Terry Tsang is (949) 733-1400.

What is Terry Tsang's medical license number?

Terry Tsang holds California license 10789.

Has Terry Tsang received payments from drug or device companies?

CMS Open Payments shows $91 in general payments to Terry Tsang from 1 company from 2025 to 2025. The largest total came from RxSight Inc.

How long has Terry Tsang been practicing?

Terry Tsang's NPI was assigned in 2007.

Selling to optometrist practices?

See optometrists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)