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William Downey, OD
NPI 1629153796 · Optometrist · South Lake Tahoe, CA
William Downey, OD is a Optometrist provider in South Lake Tahoe, CA (NPI 1629153796).
Provider details
- NPI number
- 1629153796
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- CA006201T (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
3637 Larch Ave
Suite 2
South Lake Tahoe, CA 96150-8448
Phone: (530) 544-3403
Fax: (530) 544-4032
Street-level locationGet directions
Mailing address
3637 Larch Ave
South Lake Tahoe, CA 96150-8448
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2007-09-19
Frequently asked questions
- What is William Downey's NPI number?
- William Downey's National Provider Identifier (NPI) is 1629153796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Downey's specialty?
- William Downey is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is William Downey located?
- William Downey's practice location on file with NPPES is 3637 Larch Ave, South Lake Tahoe, CA 96150-8448.
- What is William Downey's phone number?
- The practice phone number listed in the NPPES registry for William Downey is (530) 544-3403.
- Is William Downey's NPI active?
- Yes — William Downey's NPI (1629153796) is active in the NPPES registry as of the last update on 2007-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.