Nicholas Andrew Chang, OD

  • Long Beach, CA
  • Optometrist
NPI1083580146PAC ID8022594936
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2025
Practice address
3800 Kilroy Airport Way, Long Beach, CA 90806
Practice phone
Call (713) 644-2375
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Gold Optical Inc

Long Beach, California

See all 3 affiliations

Find Nicholas Chang'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

Nicholas Andrew Chang is an optometrist in Long Beach, California

Nicholas Chang practices at Gold Optical Inc in Long Beach, California.

Nicholas Chang's NPI, 1083580146, was assigned on October 15, 2025. Nicholas Chang graduated from University of Houston - College of Optometry in 2025. Nicholas Chang holds Texas license 11538.

NPI and contact details
Medicare PAC ID
8022594936
NPI enumeration date
October 15, 2025
NPI status
Active
Practice phone
(713) 644-2375
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
27
Medical school graduation
2025

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Nicholas Andrew Chang practices at Gold Optical Inc in Long Beach, California

Nicholas Chang's primary practice is Gold Optical Inc, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (713) 644-2375.

  • Gold Optical Inc
    3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(713) 644-2375

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Nicholas Andrew Chang is affiliated with 2 sites of care and 1 medical group

Nicholas Chang's primary practice is Gold Optical Inc in Long Beach, California. Dmand AI also links Nicholas Chang to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Nicholas Chang

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Nicholas Andrew Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Chang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gold Optical IncAvailable 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 Nicholas Chang 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.

Nicholas Andrew Chang is one of 7,206 optometrists in California

Optometrist is Nicholas Chang's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Nicholas Chang is licensed in Texas.

Specialties and state licenses

  • Optometrist, TexasPrimaryLicense 11538 · taxonomy 152W00000X

Optometrists near Nicholas Chang

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

Nicholas Andrew Chang's patients have a median age of 72

Across all payers, Dmand AI patient panel data puts Nicholas Chang's median patient age at 72, with 64% women.

Nicholas Chang's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women64%
  • Men36%

Source: Dmand AI Patient Panel Data

Nicholas Andrew Chang graduated from University of Houston - College of Optometry

Nicholas Chang graduated from University of Houston - College of Optometry in 2025.

  1. Medical schoolUniversity of Houston - College of Optometry

Source: Dmand AI Professional Profile Data

Sources for Nicholas Andrew Chang'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Training, board certification and membershipsDmand AI Professional Profile Data
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 Nicholas Andrew Chang

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

What is Nicholas Andrew Chang's NPI number?

Nicholas Andrew Chang's NPI number is 1083580146. It was assigned on October 15, 2025, and it is active in the NPI Registry.

What does Nicholas Andrew Chang specialize in?

Nicholas Andrew Chang is an optometrist in Long Beach, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Nicholas Andrew Chang practice?

Nicholas Chang practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. Nicholas Chang's primary practice is Gold Optical Inc in Long Beach, California. Dmand AI also links Nicholas Chang to 1 group practice or clinic and 1 medical group.

What is Nicholas Andrew Chang's office phone number?

The practice phone on file for Nicholas Chang is (713) 644-2375.

What is Nicholas Andrew Chang's medical license number?

Nicholas Chang holds Texas license 11538.

Where did Nicholas Andrew Chang go to medical school?

Nicholas Chang graduated from University of Houston - College of Optometry in 2025.

How long has Nicholas Andrew Chang been practicing?

Nicholas Chang graduated from medical school in 2025, 1 years ago.

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)