Elizabeth M. Tsay, OD
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Elizabeth M. Tsay is an optometrist in Fontana, California
Elizabeth Tsay practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Elizabeth Tsay's NPI, 1306034269, was assigned on October 4, 2007. Elizabeth Tsay holds California license OPT13285T.
- NPI
- 1306034269NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2007
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Elizabeth M. Tsay practices at Fontana Medical Center in Fontana, California
Elizabeth Tsay's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Elizabeth M. Tsay is affiliated with 1 site of care and 1 medical group
Elizabeth Tsay's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Elizabeth M. Tsay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Elizabeth Tsay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Elizabeth M. Tsay is one of 7,206 optometrists in California
Optometrist is Elizabeth Tsay's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Elizabeth Tsay is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Elizabeth Tsay
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
Elizabeth M. Tsay's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Elizabeth Tsay's median patient age at 33, with 63% women.
Elizabeth Tsay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Sources for Elizabeth M. Tsay'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 Elizabeth M. Tsay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Elizabeth M. Tsay's NPI number?
Elizabeth M. Tsay's NPI number is 1306034269. It was assigned on October 4, 2007, and it is active in the NPI Registry.
What does Elizabeth M. Tsay specialize in?
Elizabeth M. Tsay is an optometrist in Fontana, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Elizabeth M. Tsay practice?
Elizabeth Tsay practices at 9961 Sierra Ave, Fontana, CA 92335. Elizabeth Tsay's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Elizabeth M. Tsay's office phone number?
The practice phone on file for Elizabeth Tsay is (909) 427-5000.
What is Elizabeth M. Tsay's medical license number?
Elizabeth Tsay holds California license OPT13285T.
Which hospitals is Elizabeth M. Tsay affiliated with?
Elizabeth Tsay practices at Fontana Medical Center in Fontana, California.
What medical group is Elizabeth M. Tsay part of?
Elizabeth Tsay is linked to Southern California Permanente Medical Group.
How long has Elizabeth M. Tsay been practicing?
Elizabeth Tsay's NPI was assigned in 2007.
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