Denise Nguyen
- Part D claims, 2024
- 354
- Industry payments
- $32
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 9600 Bolsa Ave, Westminster, CA 92683
- Practice phone
- Call (714) 775-7045
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Horizon Optometry Group
Eye care practice · Westminster, California
Find Denise 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.
Denise Nguyen is an optometrist in Westminster, California
Denise Nguyen practices at Horizon Optometry Group in Westminster, California.
Denise Nguyen's NPI, 1457977662, was assigned on June 23, 2020. Denise Nguyen holds California license 34545.
- NPI
- 1457977662NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911374129
- NPI enumeration date
- June 23, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 775-7045
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Denise Nguyen practices at Horizon Optometry Group in Westminster, California
Denise Nguyen's primary practice is Horizon Optometry Group, at 9600 Bolsa Ave, Westminster, CA 92683. The practice phone is (714) 775-7045.
- Horizon Optometry Group9600 Bolsa Ave, Westminster, CA 92683Phone(714) 775-7045
Source: Dmand AI Affiliation Data
Denise Nguyen is affiliated with 2 sites of care and 2 medical groups
Denise Nguyen's primary practice is Horizon Optometry Group in Westminster, California. Dmand AI also links Denise Nguyen to 2 medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Denise Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Denise Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Horizon Optometry Group | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Denise Nguyen is one of 7,206 optometrists in California
Optometrist is Denise Nguyen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Denise Nguyen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Denise 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
Denise Nguyen's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Denise Nguyen's median patient age at 69, with 43% women.
Denise 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 69
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Denise Nguyen wrote 354 Medicare Part D claims in 2024
In 2024, Denise Nguyen wrote 354 Medicare Part D claims for 91 patients. 38% of them were for generic drugs.
Denise Nguyen's Part D claims by kind of drug, 2024
- Generic135 claims38%
- Brand-name219 claims62%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Denise Nguyen takes part in Medicare
Denise 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Denise Nguyen received $32 in industry payments in 2025
CMS Open Payments shows 1 general payment to Denise Nguyen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $32.
Companies that paid Denise 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 Denise 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Denise 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 Denise Nguyen's NPI number?
Denise Nguyen's NPI number is 1457977662. It was assigned on June 23, 2020, and it is active in the NPI Registry.
What does Denise Nguyen specialize in?
Denise Nguyen is an optometrist in Westminster, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Denise Nguyen practice?
Denise Nguyen practices at 9600 Bolsa Ave, Westminster, CA 92683. Denise Nguyen's primary practice is Horizon Optometry Group in Westminster, California. Dmand AI also links Denise Nguyen to 2 medical groups and 1 group practice or clinic.
What is Denise Nguyen's office phone number?
The practice phone on file for Denise Nguyen is (714) 775-7045.
What is Denise Nguyen's medical license number?
Denise Nguyen holds California license 34545.
Does Denise Nguyen accept Medicare?
Yes. CMS lists Denise Nguyen as accepting Medicare assignment.
Has Denise Nguyen received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Denise Nguyen from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Denise Nguyen been practicing?
Denise Nguyen's NPI was assigned in 2020.
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