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William Tonsall, O.D.
NPI 1265584429 · Optometrist · Oakland, CA
William Tonsall, O.D. is a Optometrist provider in Oakland, CA (NPI 1265584429).
Provider details
- NPI number
- 1265584429
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4702 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
280 W Macarthur Blvd
Oakland, CA 94611-5642
Phone: (510) 752-6665
Fax: (510) 752-1636
Street-level locationGet directions
Mailing address
6310 Macarthur Blvd
Oakland, CA 94605-1630
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Tonsall's NPI number?
- William Tonsall's National Provider Identifier (NPI) is 1265584429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tonsall's specialty?
- William Tonsall is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Tonsall located?
- William Tonsall's practice location on file with NPPES is 280 W Macarthur Blvd, Oakland, CA 94611-5642.
- What is William Tonsall's phone number?
- The practice phone number listed in the NPPES registry for William Tonsall is (510) 752-6665.
- Is William Tonsall's NPI active?
- Yes — William Tonsall's NPI (1265584429) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.