IndividualActive
Karen Chester, OD
NPI 1003919309 · Optometrist · Oakland, CA
Karen Chester, OD is a Optometrist provider in Oakland, CA (NPI 1003919309).
Provider details
- NPI number
- 1003919309
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- OPT8698T (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
3060 E 9th St
Suite B
Oakland, CA 94601-2905
Phone: (510) 535-5500
Fax: (510) 535-4349
Street-level locationGet directions
Mailing address
Po Box 22210
Oakland, CA 94623-2210
Registry dates
- Enumerated
- 2006-09-06
- Last updated
- 2013-08-06
Frequently asked questions
- What is Karen Chester's NPI number?
- Karen Chester's National Provider Identifier (NPI) is 1003919309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Chester's specialty?
- Karen Chester is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Karen Chester located?
- Karen Chester's practice location on file with NPPES is 3060 E 9th St, Oakland, CA 94601-2905.
- What is Karen Chester's phone number?
- The practice phone number listed in the NPPES registry for Karen Chester is (510) 535-5500.
- Is Karen Chester's NPI active?
- Yes — Karen Chester's NPI (1003919309) is active in the NPPES registry as of the last update on 2013-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.