Diana Chau, OD
- Part D claims, 2024
- 31
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Diana Chau'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.
Diana Chau is an optometrist in Stockton, California
Diana Chau practices at Permanente Medical Group Inc in Stockton, California.
Diana Chau's NPI, 1023749041, was assigned on June 21, 2022. Diana Chau graduated from Southern California College of Optometry in 2022. Diana Chau holds Washington license OD61288124.
- NPI
- 1023749041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193101129
- NPI enumeration date
- June 21, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Diana Chau practices at Permanente Medical Group Inc in Stockton, California
Diana Chau's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Diana Chau is affiliated with 3 sites of care and 2 medical groups
Diana Chau's primary practice is Permanente Medical Group Inc in Stockton, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Diana Chau to 2 more group practices and clinics and 1 medical group, each 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 Diana Chau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diana Chau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Diana Chau is one of 7,206 optometrists in California
Optometrist is Diana Chau's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Diana Chau is licensed in Washington.
Specialties and state licenses
- Optometrist, WashingtonPrimary
Optometrists near Diana Chau
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
Diana Chau's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Diana Chau's median patient age at 42, with 67% women.
Diana Chau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women67%
- Men32%
Source: Dmand AI Patient Panel Data
Diana Chau wrote 31 Medicare Part D claims in 2024
In 2024, Diana Chau wrote 31 Medicare Part D claims for 22 patients. 61% of them were for generic drugs.
Diana Chau's Part D claims by kind of drug, 2024
- Generic19 claims61%
- Brand-name12 claims39%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Diana Chau takes part in Medicare
Diana Chau 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Diana Chau graduated from Southern California College of Optometry
Diana Chau graduated from Southern California College of Optometry in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Diana Chau'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Diana Chau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diana Chau's NPI number?
Diana Chau's NPI number is 1023749041. It was assigned on June 21, 2022, and it is active in the NPI Registry.
What does Diana Chau specialize in?
Diana Chau is an optometrist in Stockton, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Diana Chau practice?
Diana Chau practices at 7373 West Ln, Stockton, CA 95210. Diana Chau's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Diana Chau to 2 group practices and clinics and 1 medical group.
What is Diana Chau's office phone number?
The practice phone on file for Diana Chau is (209) 476-2000.
What is Diana Chau's medical license number?
Diana Chau holds Washington license OD61288124.
What medical group is Diana Chau part of?
Diana Chau is linked to The Permanente Medical Group, Inc. Dmand AI links Diana Chau to 1 more medical group.
Does Diana Chau accept Medicare?
Yes. CMS lists Diana Chau as accepting Medicare assignment.
Where did Diana Chau go to medical school?
Diana Chau graduated from Southern California College of Optometry in 2022.
How long has Diana Chau been practicing?
Diana Chau graduated from medical school in 2022, 4 years ago.
Selling to optometrist practices?
See optometrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card