William Doan Nguyen, OD
- Industry payments
- $28
- Affiliated sites
- 1
- Medical groups
- 3
- State licenses
- 2
- Year NPI issued
- 2025
- Practice address
- 33 W 42nd St, New York, NY 10036-8005
- Practice phone
- Call (212) 938-4001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
State Of New York Comptrollers Office - New York
Eye care practice · New York, New York
Find William Doan 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.
William Doan Nguyen is an optometrist in San Francisco, California
William Doan Nguyen practices at State Of New York Comptrollers Office - New York in New York, New York.
William Doan Nguyen's NPI, 1689564486, was assigned on July 4, 2025. William Doan Nguyen holds California license 36323.
- NPI
- 1689564486NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224525548
- NPI enumeration date
- July 4, 2025
- NPI status
- Active
- Practice phone
- (212) 938-4001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Doan Nguyen practices in New York and San Francisco
William Doan Nguyen's primary practice is State of New York Comptrollers Office - New York, at 33 W 42nd St, New York, NY 10036-8005. The practice phone is (212) 938-4001. The NPI Registry lists William Doan Nguyen's practice address as 490 Illinois St, San Francisco, CA 94158.
- State of New York Comptrollers Office - New YorkPrimary33 W 42nd St, New York, NY 10036-8005Phone(212) 938-4001
- NPI Registry address490 Illinois St, San Francisco, CA 94158
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
William Doan Nguyen is affiliated with 1 site of care and 3 medical groups
William Doan Nguyen's primary practice is State Of New York Comptrollers Office - New York in New York, New York. The medical group on file is UCSF Pediatrics. Dmand AI also links William Doan Nguyen to 2 more medical groups, each 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 William Doan Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Doan Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| State Of New York Comptrollers Office - New York | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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William Doan Nguyen is one of 7,206 optometrists in California
Optometrist is William Doan Nguyen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has William Doan Nguyen's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- Low vision rehabilitation optometrist, New York
Optometrists near William Doan 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
William Doan Nguyen's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts William Doan Nguyen's median patient age at 36, with 0% women.
William Doan 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 36
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
William Doan Nguyen received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Doan Nguyen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $28.
Companies that paid William Doan 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 William Doan 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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 |
| 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 William Doan 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 William Doan Nguyen's NPI number?
William Doan Nguyen's NPI number is 1689564486. It was assigned on July 4, 2025, and it is active in the NPI Registry.
What does William Doan Nguyen specialize in?
William Doan Nguyen is an optometrist in San Francisco, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Doan Nguyen practice?
William Doan Nguyen practices at 33 W 42nd St, New York, NY 10036-8005. William Doan Nguyen also practices at 490 Illinois St, San Francisco, CA 94158. William Doan Nguyen's primary practice is State Of New York Comptrollers Office - New York in New York, New York. Dmand AI also links William Doan Nguyen to 2 medical groups.
What is William Doan Nguyen's office phone number?
The practice phone on file for William Doan Nguyen is (212) 938-4001.
What is William Doan Nguyen's medical license number?
William Doan Nguyen holds California license 36323, one of the licenses on file in 2 states.
Which states has William Doan Nguyen been licensed in?
Dmand AI has state licenses on file for William Doan Nguyen in California and New York.
What medical group is William Doan Nguyen part of?
William Doan Nguyen is linked to UCSF Pediatrics. Dmand AI links William Doan Nguyen to 2 more medical groups.
Has William Doan Nguyen received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to William Doan Nguyen from 1 company from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has William Doan Nguyen been practicing?
William Doan Nguyen graduated from medical school in 2025, 1 years ago.
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