James Van Phung, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 732 Center Dr, San Marcos, CA 92069-3535
- Practice phone
- Call (760) 839-5161
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Firstsight Vision Services
Eye care practice · San Marcos, California
Find James Phung'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.
James Van Phung is an optometrist in San Marcos, California
James Phung practices at Firstsight Vision Services in San Marcos, California.
James Phung's NPI, 1225181951, was assigned on January 18, 2007. James Phung holds California license 12721T.
- NPI
- 1225181951NPI Registry (opens in a new tab)
- NPI enumeration date
- January 18, 2007
- NPI status
- Active
- Practice phone
- (760) 839-5161
- 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)
James Van Phung practices at Firstsight Vision Services in San Marcos, California
James Phung's primary practice is Firstsight Vision Services, at 732 Center Dr, San Marcos, CA 92069-3535. The practice phone is (760) 839-5161.
- Firstsight Vision Services732 Center Dr, San Marcos, CA 92069-3535Phone(760) 839-5161
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Van Phung is affiliated with 1 site of care and 1 medical group
James Phung's primary practice is Firstsight Vision Services in San Marcos, California. Dmand AI also links James Phung 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 James Van Phung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Phung practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Firstsight Vision Services | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James Van Phung is one of 7,206 optometrists in California
Optometrist is James Phung's primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Phung is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near James Phung
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
James Van Phung's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts James Phung's median patient age at 50, with 57% women.
James Phung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women57%
- Men41%
Source: Dmand AI Patient Panel Data
Sources for James Van Phung'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 |
| 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 James Van Phung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Van Phung's NPI number?
James Van Phung's NPI number is 1225181951. It was assigned on January 18, 2007, and it is active in the NPI Registry.
What does James Van Phung specialize in?
James Van Phung is an optometrist in San Marcos, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does James Van Phung practice?
James Phung practices at 732 Center Dr, San Marcos, CA 92069-3535. James Phung's primary practice is Firstsight Vision Services in San Marcos, California. Dmand AI also links James Phung to 1 medical group.
What is James Van Phung's office phone number?
The practice phone on file for James Phung is (760) 839-5161.
What is James Van Phung's medical license number?
James Phung holds California license 12721T.
How long has James Van Phung been practicing?
James Phung's NPI was assigned in 2007.
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