John Y. Wong, OD
- Medicare patients, 2024
- 47
- Industry payments
- $164
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 20211 Patio Dr, Castro Valley, CA 94546-4338
- Practice phone
- Call (510) 881-4401
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vision Gallery Optometric Center
Eye care practice · Castro Valley, California
Find John Wong'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.
John Y. Wong is an optometrist in Dublin, California
John Wong practices at Vision Gallery Optometric Center in Castro Valley, California.
John Wong's NPI, 1457371619, was assigned on July 20, 2006. John Wong graduated from Southern California College of Optometry in 2005. John Wong holds California license OPT12872T.
- NPI
- 1457371619NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012928641
- NPI enumeration date
- July 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 881-4401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Y. Wong practices in Castro Valley and Dublin
John Wong's primary practice is Vision Gallery Optometric Center, at 20211 Patio Dr, Castro Valley, CA 94546-4338. The practice phone is (510) 881-4401. The NPI Registry lists John Wong's practice address as 11750 Dublin Blvd, Dublin, CA 94568.
- Vision Gallery Optometric CenterPrimary20211 Patio Dr, Castro Valley, CA 94546-4338Phone(510) 881-4401
- NPI Registry address11750 Dublin Blvd, Dublin, CA 94568 · Alameda County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
John Y. Wong is affiliated with 1 site of care and 1 medical group
John Wong's primary practice is Vision Gallery Optometric Center in Castro Valley, California. Dmand AI also links John Wong 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 John Y. Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Wong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vision Gallery Optometric Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Y. Wong is one of 7,206 optometrists in California
Optometrist is John Wong's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Wong is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Wong
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
John Y. Wong treated 47 Medicare patients in 2024, average age 76
CMS counts 47 Medicare patients who saw John Wong in 2024. The largest group is 75 to 84, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Wong's median patient age at 76, with 71% women.
John Wong's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Wong's Medicare patients by sex, 2024
- Women2553%
- Men2247%
Chronic conditions among John Wong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis34%
- Diabetes28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
John Wong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How John Y. Wong takes part in Medicare
John Wong 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)
John Y. Wong received $164 in industry payments in 2025
CMS Open Payments shows 6 general payments to John Wong from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $74.
Companies that paid John Wong the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Y. Wong graduated from Southern California College of Optometry
John Wong graduated from Southern California College of Optometry in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for John Y. Wong'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 DataMedicare Physician & Other Practitioners - 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) |
| Industry payments | Open Payments (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 John Y. Wong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Y. Wong's NPI number?
John Y. Wong's NPI number is 1457371619. It was assigned on July 20, 2006, and it is active in the NPI Registry.
What does John Y. Wong specialize in?
John Y. Wong is an optometrist in Dublin, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Y. Wong practice?
John Wong practices at 20211 Patio Dr, Castro Valley, CA 94546-4338. John Wong also practices at 11750 Dublin Blvd, Dublin, CA 94568. John Wong's primary practice is Vision Gallery Optometric Center in Castro Valley, California. Dmand AI also links John Wong to 1 medical group.
What is John Y. Wong's office phone number?
The practice phone on file for John Wong is (510) 881-4401.
What is John Y. Wong's medical license number?
John Wong holds California license OPT12872T.
Does John Y. Wong accept Medicare?
Yes. CMS lists John Wong as accepting Medicare assignment.
How many Medicare patients does John Y. Wong see?
CMS counts 47 Medicare patients who saw John Wong in 2024, with an average age of 76.
Where did John Y. Wong go to medical school?
John Wong graduated from Southern California College of Optometry in 2005.
Has John Y. Wong received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to John Wong from 3 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has John Y. Wong been practicing?
John Wong graduated from medical school in 2005, 21 years ago.
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