Debbi K. Fan, OD
- Industry payments
- $25
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 690 River Oaks Pkwy Ste 20 Suite 20, San Jose, CA 95134-3226
- Practice phone
- Call (408) 502-7636
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Elaine Chung
Eye care practice · San Jose, California
Find Debbi Fan'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.
Debbi K. Fan is an optometrist in Livermore, California
Debbi Fan practices at Elaine Chung in San Jose, California.
Debbi Fan's NPI, 1558375592, was assigned on July 27, 2006. Debbi Fan holds California license 12825T.
- NPI
- 1558375592NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Practice phone
- (408) 502-7636
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Debbi K. Fan practices in San Jose and Livermore
Debbi Fan's primary practice is Elaine Chung, at 690 River Oaks Pkwy Ste 20 Suite 20, San Jose, CA 95134-3226. The practice phone is (408) 502-7636. The NPI Registry lists Debbi Fan's practice address as 4951 Arroyo Rd, Livermore, CA 94550.
- Elaine ChungPrimary690 River Oaks Pkwy Ste 20 Suite 20, San Jose, CA 95134-3226Phone(408) 502-7636
- NPI Registry address4951 Arroyo Rd, Livermore, CA 94550 · Alameda County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Debbi K. Fan is affiliated with 1 site of care and 1 medical group
Debbi Fan's primary practice is Elaine Chung in San Jose, California. Dmand AI also links Debbi Fan 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 Debbi K. Fan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Debbi Fan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Elaine Chung | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Debbi K. Fan is one of 7,206 optometrists in California
Optometrist is Debbi Fan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Debbi Fan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Debbi Fan
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
Debbi K. Fan's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Debbi Fan's median patient age at 36, with 34% women.
Debbi Fan'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
- Women34%
- Men66%
Source: Dmand AI Patient Panel Data
Debbi K. Fan received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Debbi Fan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $25.
Companies that paid Debbi Fan 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 Debbi K. Fan'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 Debbi K. Fan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Debbi K. Fan's NPI number?
Debbi K. Fan's NPI number is 1558375592. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What does Debbi K. Fan specialize in?
Debbi K. Fan is an optometrist in Livermore, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Debbi K. Fan practice?
Debbi Fan practices at 690 River Oaks Pkwy Ste 20 Suite 20, San Jose, CA 95134-3226. Debbi Fan also practices at 4951 Arroyo Rd, Livermore, CA 94550. Debbi Fan's primary practice is Elaine Chung in San Jose, California. Dmand AI also links Debbi Fan to 1 medical group.
What is Debbi K. Fan's office phone number?
The practice phone on file for Debbi Fan is (408) 502-7636.
What is Debbi K. Fan's medical license number?
Debbi Fan holds California license 12825T.
Has Debbi K. Fan received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Debbi Fan from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Debbi K. Fan been practicing?
Debbi Fan's NPI was assigned in 2006.
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