Vivian Luong
- Industry payments
- $116
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 2592 N Santiago Blvd, Orange, CA 92867
- Practice phone
- Call (855) 434-7763
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
J M Geiss DO APC
Orange, California
Find Vivian Luong'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.
Vivian Luong is a physician assistant in Orange, California
Vivian Luong practices at J M Geiss DO APC in Orange, California.
Vivian Luong's NPI, 1275345910, was assigned on January 21, 2025.
- NPI
- 1275345910NPI Registry (opens in a new tab)
- NPI enumeration date
- January 21, 2025
- NPI status
- Active
- Practice phone
- (855) 434-7763
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Vivian Luong practices at J M Geiss DO APC in Orange, California
Vivian Luong's primary practice is J M Geiss DO APC, at 2592 N Santiago Blvd, Orange, CA 92867 in Orange County. The practice phone is (855) 434-7763.
- J M Geiss DO APC2592 N Santiago Blvd, Orange, CA 92867 · Orange CountyPhone(855) 434-7763
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Vivian Luong is affiliated with 3 sites of care and 2 medical groups
Vivian Luong's primary practice is J M Geiss DO APC in Orange, California. The medical group on file is PIH Health Physicians (John M. Geiss, DO). Dmand AI also links Vivian Luong to 2 more group practices and clinics 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 Vivian Luong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Vivian Luong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| J M Geiss DO APC | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Vivian Luong is one of 11,482 physician assistants in California
Physician assistant is Vivian Luong's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Vivian Luong
Counts of physician assistants 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
Vivian Luong's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Vivian Luong's median patient age at 84, with 66% women.
Vivian Luong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women66%
- Men34%
Source: Dmand AI Patient Panel Data
Vivian Luong received $116 in industry payments in 2025
CMS Open Payments shows 2 general payments to Vivian Luong from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. ACADIA Pharmaceuticals Inc paid the most, $116.
Companies that paid Vivian Luong 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 Vivian Luong'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 Vivian Luong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Vivian Luong's NPI number?
Vivian Luong's NPI number is 1275345910. It was assigned on January 21, 2025, and it is active in the NPI Registry.
What does Vivian Luong specialize in?
Vivian Luong is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Vivian Luong practice?
Vivian Luong practices at 2592 N Santiago Blvd, Orange, CA 92867. Vivian Luong's primary practice is J M Geiss DO APC in Orange, California. Dmand AI also links Vivian Luong to 2 group practices and clinics and 1 medical group.
What is Vivian Luong's office phone number?
The practice phone on file for Vivian Luong is (855) 434-7763.
What medical group is Vivian Luong part of?
Vivian Luong is linked to PIH Health Physicians (John M. Geiss, DO). Dmand AI links Vivian Luong to 1 more medical group.
Has Vivian Luong received payments from drug or device companies?
CMS Open Payments shows $116 in general payments to Vivian Luong from 1 company from 2025 to 2025. The largest total came from ACADIA Pharmaceuticals Inc.
How long has Vivian Luong been practicing?
Vivian Luong graduated from medical school in 2024, 2 years ago.
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