Lena Brenda Chang, OD

  • Stockton, CA
  • Optometrist
NPI1932120540
Part D claims, 2024
13
Industry payments
$503
Affiliated sites
2
Medical group
1
State license
1
Practice address
517 E. Fulton Street, Stockton, CA 95204
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Del Monte Assisted Living & Memory Care

Continuing Care Retirement Community (CCRC) · Stockton, California

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Lena Brenda Chang is an optometrist in Stockton, California

Lena Chang practices at Del Monte Assisted Living & Memory Care in Stockton, California.

Lena Chang's NPI, 1932120540, was assigned on July 21, 2006. Lena Chang holds California license 10106T.

NPI and contact details
NPI enumeration date
July 21, 2006
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Lena Brenda Chang practices at Del Monte Assisted Living & Memory Care in Stockton, California

Lena Chang's primary practice is Del Monte Assisted Living & Memory Care, at 517 E. Fulton Street, Stockton, CA 95204 in San Joaquin County.

  • Del Monte Assisted Living & Memory Care
    517 E. Fulton Street, Stockton, CA 95204 · San Joaquin County

Source: Dmand AI Affiliation Data

Lena Brenda Chang is affiliated with 2 sites of care and 1 medical group

Lena Chang's primary practice is Del Monte Assisted Living & Memory Care in Stockton, California. Dmand AI also links Lena Chang to 1 group practice or clinic and 1 medical group, each named with a free account.

Del Monte Assisted Living & Memory CareContinuing Care Retirement Community (CCRC) · Stockton, CaliforniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free accountParent health systemName with a free account
See all 3 affiliations for Lena Chang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Lena Brenda Chang's practice

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

EHR by site
SiteEHR vendor and product
Del Monte Assisted Living & Memory CareAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Lena Brenda Chang is one of 7,206 optometrists in California

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

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 10106T · taxonomy 152W00000X

Optometrists near Lena 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

Lena Brenda Chang's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Lena Chang's median patient age at 73, with 56% women.

Lena 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 73

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Lena Brenda Chang wrote 13 Medicare Part D claims in 2024

In 2024, Lena Chang wrote 13 Medicare Part D claims.

Part D claims, 202413

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Lena Brenda Chang received $503 in industry payments in 2025

CMS Open Payments shows 4 general payments to Lena Chang from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $317.

Companies that paid Lena Chang the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Lena Chang

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

Sources for Lena Brenda 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
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 Lena Brenda 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 Lena Brenda Chang's NPI number?

Lena Brenda Chang's NPI number is 1932120540. It was assigned on July 21, 2006, and it is active in the NPI Registry.

What does Lena Brenda Chang specialize in?

Lena Brenda Chang is an optometrist in Stockton, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Lena Brenda Chang practice?

Lena Chang practices at 517 E. Fulton Street, Stockton, CA 95204. Lena Chang's primary practice is Del Monte Assisted Living & Memory Care in Stockton, California. Dmand AI also links Lena Chang to 1 group practice or clinic and 1 medical group.

What is Lena Brenda Chang's medical license number?

Lena Chang holds California license 10106T.

Has Lena Brenda Chang received payments from drug or device companies?

CMS Open Payments shows $503 in general payments to Lena Chang from 3 companies from 2025 to 2025. The largest total came from Glaukos Corporation.

How long has Lena Brenda Chang been practicing?

Lena Chang's NPI was assigned in 2006.

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