Toan Dac Nguyen, DDS
- Part D claims, 2024
- 136
- Industry payments
- $29
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 9343 Bolsa Ave, Westminster, CA 92683
- Practice phone
- Call (714) 373-6337
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thuy Duong Haong Tran
Dental practice · Westminster, California
Find Toan 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.
Toan Dac Nguyen is a dentist in Westminster, California
Toan Nguyen practices at Thuy Duong Haong Tran in Westminster, California.
Toan Nguyen's NPI, 1164520821, was assigned on September 20, 2006. Toan Nguyen holds California license 47145.
- NPI
- 1164520821NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (714) 373-6337
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Toan Dac Nguyen practices at Thuy Duong Haong Tran in Westminster, California
Toan Nguyen's primary practice is Thuy Duong Haong Tran, at 9343 Bolsa Ave, Westminster, CA 92683. The practice phone is (714) 373-6337.
- Thuy Duong Haong Tran9343 Bolsa Ave, Westminster, CA 92683Phone(714) 373-6337
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Toan Dac Nguyen is affiliated with 1 site of care and 1 medical group
Toan Nguyen's primary practice is Thuy Duong Haong Tran in Westminster, California. Dmand AI also links Toan Nguyen to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Toan Dac Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Toan Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thuy Duong Haong Tran | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Toan Dac Nguyen is one of 6,282 dentists in California
Dentist is Toan Nguyen's primary specialty in the NPI Registry, under taxonomy code 122300000X. Toan Nguyen is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Toan Nguyen
Counts of dentists 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
Toan Dac Nguyen's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Toan Nguyen's median patient age at 62, with 33% women.
Toan 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 62
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Toan Dac Nguyen wrote 136 Medicare Part D claims in 2024
In 2024, Toan Nguyen wrote 136 Medicare Part D claims for 58 patients. 99% of them were for generic drugs.
Toan Nguyen's Part D claims by kind of drug, 2024
- Generic134 claims99%
- Brand-name and other2 claims1%
Drug classes CMS tracks in Toan Nguyen's Part D claims, 2024
- Antibiotics46%63 of 136 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
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Toan Dac Nguyen received $29 in industry payments in 2025
CMS Open Payments shows 2 general payments to Toan Nguyen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Patterson Companies, Inc. paid the most, $15.
Companies that paid Toan 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 Toan Dac 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Toan Dac 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 Toan Dac Nguyen's NPI number?
Toan Dac Nguyen's NPI number is 1164520821. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What does Toan Dac Nguyen specialize in?
Toan Dac Nguyen is a dentist in Westminster, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Toan Dac Nguyen practice?
Toan Nguyen practices at 9343 Bolsa Ave, Westminster, CA 92683. Toan Nguyen's primary practice is Thuy Duong Haong Tran in Westminster, California. Dmand AI also links Toan Nguyen to 1 medical group.
What is Toan Dac Nguyen's office phone number?
The practice phone on file for Toan Nguyen is (714) 373-6337.
What is Toan Dac Nguyen's medical license number?
Toan Nguyen holds California license 47145.
Has Toan Dac Nguyen received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Toan Nguyen from 2 companies from 2025 to 2025. The largest total came from Patterson Companies, Inc.
How long has Toan Dac Nguyen been practicing?
Toan Nguyen's NPI was assigned in 2006.
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