John Louis Nelson, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- 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 Nelson'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 Louis Nelson is an optometrist in Castro Valley, California
John Nelson practices at Vision Gallery Optometric Center in Castro Valley, California.
John Nelson's NPI, 1922095082, was assigned on October 4, 2005. John Nelson holds California license 4985T.
- NPI
- 1922095082NPI Registry (opens in a new tab)
- NPI enumeration date
- October 4, 2005
- NPI status
- Active
- Practice phone
- (510) 881-4401
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Louis Nelson practices at Vision Gallery Optometric Center in Castro Valley, California
John Nelson's primary practice is Vision Gallery Optometric Center, at 20211 Patio Dr, Castro Valley, CA 94546-4338. The practice phone is (510) 881-4401.
- Vision Gallery Optometric Center20211 Patio Dr, Castro Valley, CA 94546-4338Phone(510) 881-4401
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Louis Nelson is affiliated with 1 site of care and 1 medical group
John Nelson's primary practice is Vision Gallery Optometric Center in Castro Valley, California. Dmand AI also links John Nelson 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 Louis Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Nelson 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 Louis Nelson is one of 7,206 optometrists in California
Optometrist is John Nelson's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Nelson is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Nelson
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
Sources for John Louis Nelson'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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 John Louis Nelson
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 Louis Nelson's NPI number?
John Louis Nelson's NPI number is 1922095082. It was assigned on October 4, 2005, and it is active in the NPI Registry.
What does John Louis Nelson specialize in?
John Louis Nelson is an optometrist in Castro Valley, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Louis Nelson practice?
John Nelson practices at 20211 Patio Dr, Castro Valley, CA 94546-4338. John Nelson's primary practice is Vision Gallery Optometric Center in Castro Valley, California. Dmand AI also links John Nelson to 1 medical group.
What is John Louis Nelson's office phone number?
The practice phone on file for John Nelson is (510) 881-4401.
What is John Louis Nelson's medical license number?
John Nelson holds California license 4985T.
How long has John Louis Nelson been practicing?
John Nelson's NPI was assigned in 2005.
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