Vi Nguyen, OD
- Medicare patients, 2024
- 103
- Part D claims, 2024
- 43
- Industry payments
- $226
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 2619 E Colorado Blvd, Pasadena, CA 91107
- Practice phone
- Call (626) 793-4168
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Eye Specialists Medical Group Inc
Pasadena, California
Find Vi Nguyen'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.
Vi Nguyen is an optometrist in Pasadena, California
Vi Nguyen practices at California Eye Specialists Medical Group Inc in Pasadena, California.
Vi Nguyen's NPI, 1164875571, was assigned on July 20, 2016. Vi Nguyen holds California license 33407.
- NPI
- 1164875571NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799063970
- NPI enumeration date
- July 20, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 793-4168
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Vi Nguyen practices at California Eye Specialists Medical Group Inc in Pasadena, California
Vi Nguyen's primary practice is California Eye Specialists Medical Group Inc, at 2619 E Colorado Blvd, Pasadena, CA 91107 in Los Angeles County. The practice phone is (626) 793-4168.
- California Eye Specialists Medical Group Inc2619 E Colorado Blvd, Pasadena, CA 91107 · Los Angeles CountyPhone(626) 793-4168
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Vi Nguyen is affiliated with 4 sites of care and 3 medical groups
Vi Nguyen's primary practice is California Eye Specialists Medical Group Inc in Pasadena, California. Dmand AI also links Vi Nguyen to 3 group practices and clinics and 3 medical groups, 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 Vi Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vi Nguyen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Eye Specialists Medical Group Inc | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Vi Nguyen is one of 7,206 optometrists in California
Optometrist is Vi Nguyen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Vi Nguyen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Vi Nguyen
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
Vi Nguyen treated 103 Medicare patients in 2024, average age 74
CMS counts 103 Medicare patients who saw Vi Nguyen in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Vi Nguyen's median patient age at 68, with 56% women.
Vi Nguyen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Vi Nguyen's Medicare patients by sex, 2024
- Women5150%
- Men5250%
Chronic conditions among Vi Nguyen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis49%
- Ischemic heart disease27%
- Chronic kidney disease25%
- Atrial fibrillation21%
- Anxiety19%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Vi Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Vi Nguyen wrote 43 Medicare Part D claims in 2024
In 2024, Vi Nguyen wrote 43 Medicare Part D claims for 18 patients. 51% of them were for generic drugs.
Vi Nguyen's Part D claims by kind of drug, 2024
- Generic22 claims51%
- Brand-name21 claims49%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Vi Nguyen takes part in Medicare
Vi Nguyen 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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Vi Nguyen received $226 in industry payments in 2025
CMS Open Payments shows 4 general payments to Vi Nguyen from 4 drug and device companies in 2025. Food and beverage make up the largest share, 75% of the total. Bausch & Lomb Americas Inc. paid the most, $124.
General payments to Vi Nguyen by kind, 2025 to 2025
- Food and beverage$17075%
- Entertainment$5625%
Companies that paid Vi Nguyen 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 Vi Nguyen'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 Vi Nguyen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vi Nguyen's NPI number?
Vi Nguyen's NPI number is 1164875571. It was assigned on July 20, 2016, and it is active in the NPI Registry.
What does Vi Nguyen specialize in?
Vi Nguyen is an optometrist in Pasadena, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Vi Nguyen practice?
Vi Nguyen practices at 2619 E Colorado Blvd, Pasadena, CA 91107. Vi Nguyen's primary practice is California Eye Specialists Medical Group Inc in Pasadena, California. Dmand AI also links Vi Nguyen to 3 group practices and clinics and 3 medical groups.
What is Vi Nguyen's office phone number?
The practice phone on file for Vi Nguyen is (626) 793-4168.
What is Vi Nguyen's medical license number?
Vi Nguyen holds California license 33407.
Does Vi Nguyen accept Medicare?
Yes. CMS lists Vi Nguyen as accepting Medicare assignment.
How many Medicare patients does Vi Nguyen see?
CMS counts 103 Medicare patients who saw Vi Nguyen in 2024, with an average age of 74.
Has Vi Nguyen received payments from drug or device companies?
CMS Open Payments shows $226 in general payments to Vi Nguyen from 4 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Vi Nguyen been practicing?
Vi Nguyen graduated from medical school in 2016, 10 years ago.
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