Karen Silverman, LCSW
NPI 1891844841 · Specialist · Antioch, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Silverman, LCSW is a Specialist provider in Antioch, CA (NPI 1891844841).
Provider details
- NPI number
- 1891844841
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS 16206 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2022-01-10
- Certified
- 2022-01-10
Frequently asked questions
- What is Karen Silverman's NPI number?
- Karen Silverman's National Provider Identifier (NPI) is 1891844841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Silverman's specialty?
- Karen Silverman is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Karen Silverman located?
- Karen Silverman's practice location on file with NPPES is 2213 Buchanan Rd Ste 203, Antioch, CA 94509-4265.
- What is Karen Silverman's phone number?
- The practice phone number listed in the NPPES registry for Karen Silverman is (925) 779-4979.
- Does Karen Silverman accept Medicare?
- Karen Silverman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Silverman's NPI active?
- Yes — Karen Silverman's NPI (1891844841) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.