Sylvia S. Ja, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
Find Sylvia Ja'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.
Sylvia S. Ja is an optometrist in Santa Clara, California
Sylvia Ja practices at Permanente Medical Group Inc in Santa Clara, California.
Sylvia Ja's NPI, 1780836080, was assigned on October 17, 2008. Sylvia Ja holds California license 13512.
- NPI
- 1780836080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719293646
- NPI enumeration date
- October 17, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sylvia S. Ja practices at Permanente Medical Group Inc in Santa Clara, California
Sylvia Ja's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sylvia S. Ja is affiliated with 2 sites of care and 1 medical group
Sylvia Ja's primary practice is Permanente Medical Group Inc in Santa Clara, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Sylvia Ja to 1 more group practice or clinic, 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 Sylvia S. Ja's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sylvia Ja practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Sylvia S. Ja is one of 7,206 optometrists in California
Optometrist is Sylvia Ja's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sylvia Ja is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Sylvia Ja
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
Sylvia S. Ja's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Sylvia Ja's median patient age at 58, with 64% women.
Sylvia Ja's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women64%
- Men35%
Source: Dmand AI Patient Panel Data
How Sylvia S. Ja takes part in Medicare
Sylvia Ja 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)
Sources for Sylvia S. Ja'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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Sylvia S. Ja
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sylvia S. Ja's NPI number?
Sylvia S. Ja's NPI number is 1780836080. It was assigned on October 17, 2008, and it is active in the NPI Registry.
What does Sylvia S. Ja specialize in?
Sylvia S. Ja is an optometrist in Santa Clara, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Sylvia S. Ja practice?
Sylvia Ja practices at 710 Lawrence Expy, Santa Clara, CA 95051. Sylvia Ja's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Sylvia Ja to 1 group practice or clinic.
What is Sylvia S. Ja's office phone number?
The practice phone on file for Sylvia Ja is (408) 851-1000.
What is Sylvia S. Ja's medical license number?
Sylvia Ja holds California license 13512.
What medical group is Sylvia S. Ja part of?
Sylvia Ja is linked to The Permanente Medical Group, Inc.
Does Sylvia S. Ja accept Medicare?
Yes. CMS lists Sylvia Ja as accepting Medicare assignment.
How long has Sylvia S. Ja been practicing?
Sylvia Ja graduated from medical school in 2008, 18 years ago.
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