Herrick Duong, OD
- Hospital affiliations
- 1
- Industry payments
- $543
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Herrick Duong'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.
Herrick Duong is an optometrist in Riverside, California
Herrick Duong practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Herrick Duong's NPI, 1255959359, was assigned on July 6, 2020. Herrick Duong holds California license 34520TLG.
- NPI
- 1255959359NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931588084
- NPI enumeration date
- July 6, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Herrick Duong practices at Riverside Medical Center in Riverside, California
Herrick Duong's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Herrick Duong is affiliated with 3 sites of care and 3 medical groups
Herrick Duong's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Herrick Duong to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Herrick Duong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Herrick Duong practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Herrick Duong is one of 7,206 optometrists in California
Optometrist is Herrick Duong's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Herrick Duong is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Herrick Duong
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
Herrick Duong's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Herrick Duong's median patient age at 39, with 60% women.
Herrick Duong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
How Herrick Duong takes part in Medicare
Herrick Duong 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)
Herrick Duong received $543 in industry payments in 2025
CMS Open Payments shows 5 general payments to Herrick Duong from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $125.
Companies that paid Herrick Duong 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 Herrick Duong'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Herrick Duong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Herrick Duong's NPI number?
Herrick Duong's NPI number is 1255959359. It was assigned on July 6, 2020, and it is active in the NPI Registry.
What does Herrick Duong specialize in?
Herrick Duong is an optometrist in Riverside, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Herrick Duong practice?
Herrick Duong practices at 10800 Magnolia Avenue, Riverside, CA 92505. Herrick Duong's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dmand AI also links Herrick Duong to 2 group practices and clinics and 2 medical groups.
What is Herrick Duong's office phone number?
The practice phone on file for Herrick Duong is (951) 353-2000.
What is Herrick Duong's medical license number?
Herrick Duong holds California license 34520TLG.
Which hospitals is Herrick Duong affiliated with?
Herrick Duong practices at Riverside Medical Center in Riverside, California.
What medical group is Herrick Duong part of?
Herrick Duong is linked to Southern California Permanente Medical Group. Dmand AI links Herrick Duong to 2 more medical groups.
Does Herrick Duong accept Medicare?
Yes. CMS lists Herrick Duong as accepting Medicare assignment.
Has Herrick Duong received payments from drug or device companies?
CMS Open Payments shows $543 in general payments to Herrick Duong from 5 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Herrick Duong been practicing?
Herrick Duong graduated from medical school in 2020, 6 years ago.
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