IndividualActive
Clark Abramson, O.D.
NPI 1902989098 · Optometrist · Livermore, CA
Clark Abramson, O.D. is a Optometrist provider in Livermore, CA (NPI 1902989098).
Provider details
- NPI number
- 1902989098
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5491T (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
1800 4th St
Livermore, CA 94550-4454
Phone: (925) 447-3883
Street-level locationGet directions
Mailing address
575 Escondido Cir
Livermore, CA 94550-5252
Registry dates
- Enumerated
- 2006-10-23
- Last updated
- 2023-03-07
Frequently asked questions
- What is Clark Abramson's NPI number?
- Clark Abramson's National Provider Identifier (NPI) is 1902989098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clark Abramson's specialty?
- Clark Abramson is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Clark Abramson located?
- Clark Abramson's practice location on file with NPPES is 1800 4th St, Livermore, CA 94550-4454.
- What is Clark Abramson's phone number?
- The practice phone number listed in the NPPES registry for Clark Abramson is (925) 447-3883.
- Is Clark Abramson's NPI active?
- Yes — Clark Abramson's NPI (1902989098) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.