Joan Jen, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 130 S Sunnyvale Ave, Sunnyvale, CA 94086-6249
- Practice phone
- Call (408) 736-3802
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Gary Gold & Associates
Eye care practice · Sunnyvale, California
Find Joan Jen'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.
Joan Jen is an optometrist in Sunnyvale, California
Joan Jen practices at Dr. Gary Gold & Associates in Sunnyvale, California.
Joan Jen's NPI, 1013069616, was assigned on January 17, 2007. Joan Jen holds California license 12829T.
- NPI
- 1013069616NPI Registry (opens in a new tab)
- NPI enumeration date
- January 17, 2007
- NPI status
- Active
- Practice phone
- (408) 736-3802
- 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)
Joan Jen practices at Dr. Gary Gold & Associates in Sunnyvale, California
Joan Jen's primary practice is Dr. Gary Gold & Associates, at 130 S Sunnyvale Ave, Sunnyvale, CA 94086-6249. The practice phone is (408) 736-3802.
- Dr. Gary Gold & Associates130 S Sunnyvale Ave, Sunnyvale, CA 94086-6249Phone(408) 736-3802
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joan Jen is affiliated with 1 site of care and 1 medical group
Joan Jen's primary practice is Dr. Gary Gold & Associates in Sunnyvale, California. Dmand AI also links Joan Jen 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 Joan Jen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joan Jen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Gary Gold & Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Joan Jen is one of 7,206 optometrists in California
Optometrist is Joan Jen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Joan Jen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Joan Jen
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
Joan Jen's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Joan Jen's median patient age at 55, with 100% women.
Joan Jen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Joan Jen'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 Joan Jen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joan Jen's NPI number?
Joan Jen's NPI number is 1013069616. It was assigned on January 17, 2007, and it is active in the NPI Registry.
What does Joan Jen specialize in?
Joan Jen is an optometrist in Sunnyvale, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Joan Jen practice?
Joan Jen practices at 130 S Sunnyvale Ave, Sunnyvale, CA 94086-6249. Joan Jen's primary practice is Dr. Gary Gold & Associates in Sunnyvale, California. Dmand AI also links Joan Jen to 1 medical group.
What is Joan Jen's office phone number?
The practice phone on file for Joan Jen is (408) 736-3802.
What is Joan Jen's medical license number?
Joan Jen holds California license 12829T.
How long has Joan Jen been practicing?
Joan Jen's NPI was assigned in 2007.
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