Vivian Chau, OD
- Medicare patients, 2024
- 65
- Part D claims, 2024
- 565
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2400 N Broadway, Los Angeles, CA 90031
- Practice phone
- Call (800) 898-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Acuity Eye Group
Los Angeles, California
Find Vivian Chau'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.
Vivian Chau is an optometrist in Los Angeles, California
Vivian Chau practices at Acuity Eye Group in Los Angeles, California.
Vivian Chau's NPI, 1558052951, was assigned on May 16, 2023. Vivian Chau graduated from Southern California College of Optometry in 2022. Vivian Chau holds California license 35427.
- NPI
- 1558052951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698138097
- NPI enumeration date
- May 16, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 898-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Vivian Chau practices at Acuity Eye Group in Los Angeles, California
Vivian Chau's primary practice is Acuity Eye Group, at 2400 N Broadway, Los Angeles, CA 90031 in Los Angeles County. The practice phone is (800) 898-2020.
- Acuity Eye Group2400 N Broadway, Los Angeles, CA 90031 · Los Angeles CountyPhone(800) 898-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Vivian Chau is affiliated with 2 sites of care and 1 medical group
Vivian Chau's primary practice is Acuity Eye Group in Los Angeles, California. Dmand AI also links Vivian Chau 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 Vivian Chau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vivian Chau practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Acuity Eye Group | 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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Vivian Chau is one of 7,206 optometrists in California
Optometrist is Vivian Chau's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Vivian Chau is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Vivian Chau
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
Vivian Chau treated 65 Medicare patients in 2024, average age 71
CMS counts 65 Medicare patients who saw Vivian Chau in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 75% are also on Medicaid. Their average risk score is 1.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Vivian Chau's median patient age at 62, with 58% women.
Vivian Chau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Vivian Chau's Medicare patients by sex, 2024
- Women3757%
- Men2843%
Chronic conditions among Vivian Chau's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Diabetes46%
- Arthritis42%
- Ischemic heart disease26%
- Chronic kidney disease25%
- Depression25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Vivian Chau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Vivian Chau wrote 565 Medicare Part D claims in 2024
In 2024, Vivian Chau wrote 565 Medicare Part D claims for 173 patients. 52% of them were for generic drugs.
Vivian Chau's Part D claims by kind of drug, 2024
- Generic294 claims52%
- Brand-name271 claims48%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Vivian Chau takes part in Medicare
Vivian Chau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Vivian Chau graduated from Southern California College of Optometry
Vivian Chau graduated from Southern California College of Optometry in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Vivian Chau'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Vivian Chau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vivian Chau's NPI number?
Vivian Chau's NPI number is 1558052951. It was assigned on May 16, 2023, and it is active in the NPI Registry.
What does Vivian Chau specialize in?
Vivian Chau is an optometrist in Los Angeles, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Vivian Chau practice?
Vivian Chau practices at 2400 N Broadway, Los Angeles, CA 90031. Vivian Chau's primary practice is Acuity Eye Group in Los Angeles, California. Dmand AI also links Vivian Chau to 1 group practice or clinic and 1 medical group.
What is Vivian Chau's office phone number?
The practice phone on file for Vivian Chau is (800) 898-2020.
What is Vivian Chau's medical license number?
Vivian Chau holds California license 35427.
Does Vivian Chau accept Medicare?
Yes. CMS lists Vivian Chau as accepting Medicare assignment.
How many Medicare patients does Vivian Chau see?
CMS counts 65 Medicare patients who saw Vivian Chau in 2024, with an average age of 71.
Where did Vivian Chau go to medical school?
Vivian Chau graduated from Southern California College of Optometry in 2022.
How long has Vivian Chau been practicing?
Vivian Chau graduated from medical school in 2022, 4 years ago.
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