IndividualActive
Karen Chajon Lopez
NPI 1003748989 · Behavior Technician · San Leandro, CA
Karen Chajon Lopez is a Behavior Technician provider in San Leandro, CA (NPI 1003748989).
Provider details
- NPI number
- 1003748989
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
185 Napoleon Ct
San Leandro, CA 94577-1582
Phone: (510) 239-9664
Street-level locationGet directions
Mailing address
185 Napoleon Ct
San Leandro, CA 94577-1582
Registry dates
- Enumerated
- 2026-06-02
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is Karen Chajon Lopez's NPI number?
- Karen Chajon Lopez's National Provider Identifier (NPI) is 1003748989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Chajon Lopez's specialty?
- Karen Chajon Lopez is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Karen Chajon Lopez located?
- Karen Chajon Lopez's practice location on file with NPPES is 185 Napoleon Ct, San Leandro, CA 94577-1582.
- What is Karen Chajon Lopez's phone number?
- The practice phone number listed in the NPPES registry for Karen Chajon Lopez is (510) 239-9664.
- Is Karen Chajon Lopez's NPI active?
- Yes — Karen Chajon Lopez's NPI (1003748989) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.