Sandra Wei-Jen Chen, OD

  • Richmond, CA
  • Optometrist
NPI1518263862
Part D claims, 2024
23
Affiliated sites
2
Medical groups
2
State license
1
Year NPI issued
2011
Practice address
901 Nevin Ave, Richmond, CA 94801
Practice phone
Call (510) 307-1555
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Richmond Medical Center

Richmond, California

See all 5 affiliations

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Sandra Wei-Jen Chen is an optometrist in Richmond, California

Sandra Chen practices at Richmond Medical Center in Richmond, California.

Sandra Chen's NPI, 1518263862, was assigned on February 3, 2011. Sandra Chen holds California license 14092.

NPI and contact details
NPI enumeration date
February 3, 2011
NPI status
Active
Practice phone
(510) 307-1555
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Sandra Wei-Jen Chen practices at Richmond Medical Center in Richmond, California

Sandra Chen's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.

  • Richmond Medical Center
    901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Sandra Wei-Jen Chen is affiliated with 3 sites of care and 2 medical groups

Sandra Chen's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Sandra Chen to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Sandra Chen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Sandra Wei-Jen Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sandra Chen practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Richmond Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Sandra Wei-Jen Chen is one of 7,206 optometrists in California

Optometrist is Sandra Chen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sandra Chen is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 14092 · taxonomy 152W00000X

Optometrists near Sandra Chen

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

Sandra Wei-Jen Chen's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Sandra Chen's median patient age at 49, with 68% women.

Sandra Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women68%
  • Men31%

Source: Dmand AI Patient Panel Data

Sandra Wei-Jen Chen wrote 23 Medicare Part D claims in 2024

In 2024, Sandra Chen wrote 23 Medicare Part D claims for 13 patients. 65% of them were for generic drugs.

Part D claims, 202423
Part D patients13

Sandra Chen's Part D claims by kind of drug, 2024

  • Generic15 claims65%
  • Brand-name and other8 claims35%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Sandra Wei-Jen Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sandra Wei-Jen Chen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sandra Wei-Jen Chen's NPI number?

Sandra Wei-Jen Chen's NPI number is 1518263862. It was assigned on February 3, 2011, and it is active in the NPI Registry.

What does Sandra Wei-Jen Chen specialize in?

Sandra Wei-Jen Chen is an optometrist in Richmond, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Sandra Wei-Jen Chen practice?

Sandra Chen practices at 901 Nevin Ave, Richmond, CA 94801. Sandra Chen's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Sandra Chen to 2 group practices and clinics and 1 medical group.

What is Sandra Wei-Jen Chen's office phone number?

The practice phone on file for Sandra Chen is (510) 307-1555.

What is Sandra Wei-Jen Chen's medical license number?

Sandra Chen holds California license 14092.

What medical group is Sandra Wei-Jen Chen part of?

Sandra Chen is linked to The Permanente Medical Group, Inc. Dmand AI links Sandra Chen to 1 more medical group.

How long has Sandra Wei-Jen Chen been practicing?

Sandra Chen graduated from medical school in 2010, 16 years ago.

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