Nathan Hung Au, OD
- Industry payments
- $198
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 2396 Crenshaw Blvd, Torrance, CA 90501
- Practice phone
- Call (310) 320-0081
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Torrance Vision Center
Torrance, California
Find Nathan Au'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.
Nathan Hung Au is an optometrist in Torrance, California
Nathan Au practices at Torrance Vision Center in Torrance, California.
Nathan Au's NPI, 1629051750, was assigned on November 22, 2005. Nathan Au holds California license CA11857TLG.
- NPI
- 1629051750NPI Registry (opens in a new tab)
- NPI enumeration date
- November 22, 2005
- NPI status
- Active
- Practice phone
- (310) 320-0081
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Nathan Hung Au practices at Torrance Vision Center in Torrance, California
Nathan Au's primary practice is Torrance Vision Center, at 2396 Crenshaw Blvd, Torrance, CA 90501 in Los Angeles County. The practice phone is (310) 320-0081.
- Torrance Vision Center2396 Crenshaw Blvd, Torrance, CA 90501 · Los Angeles CountyPhone(310) 320-0081
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Nathan Hung Au is affiliated with 2 sites of care and 1 medical group
Nathan Au's primary practice is Torrance Vision Center in Torrance, California. Dmand AI also links Nathan Au 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 Nathan Hung Au's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nathan Au practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Torrance Vision Center | 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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Nathan Hung Au is one of 7,206 optometrists in California
Optometrist is Nathan Au's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Nathan Au is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Nathan Au
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
Nathan Hung Au's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Nathan Au's median patient age at 73, with 61% women.
Nathan Au's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men37%
Source: Dmand AI Patient Panel Data
Nathan Hung Au received $198 in industry payments in 2025
CMS Open Payments shows 3 general payments to Nathan Au from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Glaukos Corporation paid the most, $155.
Companies that paid Nathan Au 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 Nathan Hung Au'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 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 Nathan Hung Au
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nathan Hung Au's NPI number?
Nathan Hung Au's NPI number is 1629051750. It was assigned on November 22, 2005, and it is active in the NPI Registry.
What does Nathan Hung Au specialize in?
Nathan Hung Au is an optometrist in Torrance, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Nathan Hung Au practice?
Nathan Au practices at 2396 Crenshaw Blvd, Torrance, CA 90501. Nathan Au's primary practice is Torrance Vision Center in Torrance, California. Dmand AI also links Nathan Au to 1 group practice or clinic and 1 medical group.
What is Nathan Hung Au's office phone number?
The practice phone on file for Nathan Au is (310) 320-0081.
What is Nathan Hung Au's medical license number?
Nathan Au holds California license CA11857TLG.
Has Nathan Hung Au received payments from drug or device companies?
CMS Open Payments shows $198 in general payments to Nathan Au from 3 companies from 2025 to 2025. The largest total came from Glaukos Corporation.
How long has Nathan Hung Au been practicing?
Nathan Au's NPI was assigned in 2005.
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