Nancy Tsui, OD
- Medicare patients, 2024
- 69
- Part D claims, 2024
- 1,476
- Industry payments
- $205
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 12888 Buaro St, Garden Grove, CA 92840
- Practice phone
- Call (714) 534-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Acuity Eye Group
Garden Grove, California
Find Nancy Tsui'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.
Nancy Tsui is an optometrist in Garden Grove, California
Nancy Tsui practices at Acuity Eye Group in Garden Grove, California.
Nancy Tsui's NPI, 1841785037, was assigned on June 29, 2018. Nancy Tsui holds California license OPT33944-TLG.
- NPI
- 1841785037NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486069895
- NPI enumeration date
- June 29, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 534-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Nancy Tsui practices at Acuity Eye Group in Garden Grove, California
Nancy Tsui's primary practice is Acuity Eye Group, at 12888 Buaro St, Garden Grove, CA 92840 in Orange County. The practice phone is (714) 534-8100.
- Acuity Eye Group12888 Buaro St, Garden Grove, CA 92840 · Orange CountyPhone(714) 534-8100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nancy Tsui is affiliated with 2 sites of care and 1 medical group
Nancy Tsui's primary practice is Acuity Eye Group in Garden Grove, California. Dmand AI also links Nancy Tsui 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 Nancy Tsui's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nancy Tsui 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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Nancy Tsui is one of 7,206 optometrists in California
Optometrist is Nancy Tsui's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Nancy Tsui is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Nancy Tsui
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
Nancy Tsui treated 69 Medicare patients in 2024, average age 74
CMS counts 69 Medicare patients who saw Nancy Tsui in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 70% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Nancy Tsui's median patient age at 66, with 55% women.
Nancy Tsui's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Nancy Tsui's Medicare patients by sex, 2024
- Women4464%
- Men2536%
Chronic conditions among Nancy Tsui's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes42%
- Depression30%
- Mood disorders30%
- Osteoporosis28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Nancy Tsui's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nancy Tsui wrote 1,476 Medicare Part D claims in 2024
In 2024, Nancy Tsui wrote 1,476 Medicare Part D claims for 434 patients. 49% of them were for generic drugs.
Nancy Tsui's Part D claims by kind of drug, 2024
- Generic726 claims49%
- Brand-name750 claims51%
Drug classes CMS tracks in Nancy Tsui's Part D claims, 2024
- Antibiotics1%11 of 1,476 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Nancy Tsui takes part in Medicare
Nancy Tsui 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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Nancy Tsui received $205 in industry payments in 2025
CMS Open Payments shows 4 general payments to Nancy Tsui from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $115.
Companies that paid Nancy Tsui the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Nancy Tsui'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Nancy Tsui
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nancy Tsui's NPI number?
Nancy Tsui's NPI number is 1841785037. It was assigned on June 29, 2018, and it is active in the NPI Registry.
What does Nancy Tsui specialize in?
Nancy Tsui is an optometrist in Garden Grove, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Nancy Tsui practice?
Nancy Tsui practices at 12888 Buaro St, Garden Grove, CA 92840. Nancy Tsui's primary practice is Acuity Eye Group in Garden Grove, California. Dmand AI also links Nancy Tsui to 1 group practice or clinic and 1 medical group.
What is Nancy Tsui's office phone number?
The practice phone on file for Nancy Tsui is (714) 534-8100.
What is Nancy Tsui's medical license number?
Nancy Tsui holds California license OPT33944-TLG.
Does Nancy Tsui accept Medicare?
Yes. CMS lists Nancy Tsui as accepting Medicare assignment.
How many Medicare patients does Nancy Tsui see?
CMS counts 69 Medicare patients who saw Nancy Tsui in 2024, with an average age of 74.
Has Nancy Tsui received payments from drug or device companies?
CMS Open Payments shows $205 in general payments to Nancy Tsui from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Nancy Tsui been practicing?
Nancy Tsui graduated from medical school in 2018, 8 years ago.
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