Colin Kalahar
NPI 1457683138 · Clinical Social Worker · Livermore, CA
Colin Kalahar is a Clinical Social Worker provider in Livermore, CA (NPI 1457683138).
Provider details
- NPI number
- 1457683138
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2010-02-05
- Last updated
- 2019-04-03
Frequently asked questions
- What is Colin Kalahar's NPI number?
- Colin Kalahar's National Provider Identifier (NPI) is 1457683138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Kalahar's specialty?
- Colin Kalahar is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Colin Kalahar located?
- Colin Kalahar's practice location on file with NPPES is 4951 Arroyo Road, Livermore, CA 94550.
- What is Colin Kalahar's phone number?
- The practice phone number listed in the NPPES registry for Colin Kalahar is (925) 373-4700.
- Is Colin Kalahar's NPI active?
- Yes — Colin Kalahar's NPI (1457683138) is active in the NPPES registry as of the last update on 2019-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.