IndividualActive
Karen Brandreth, O.D.
NPI 1548385412 · Optometrist · San Francisco, CA
Karen Brandreth, O.D. is a Optometrist provider in San Francisco, CA (NPI 1548385412).
Provider details
- NPI number
- 1548385412
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4973 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(89/100 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
450 Sutter St
Suite 1918
San Francisco, CA 94108-4206
Phone: (415) 421-8667
Street-level locationGet directions
Mailing address
645 Shadowhawk Way
Walnut Creek, CA 94595-3937
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Brandreth's NPI number?
- Karen Brandreth's National Provider Identifier (NPI) is 1548385412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Brandreth's specialty?
- Karen Brandreth is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Karen Brandreth located?
- Karen Brandreth's practice location on file with NPPES is 450 Sutter St, San Francisco, CA 94108-4206.
- What is Karen Brandreth's phone number?
- The practice phone number listed in the NPPES registry for Karen Brandreth is (415) 421-8667.
- Is Karen Brandreth's NPI active?
- Yes — Karen Brandreth's NPI (1548385412) 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.