Jason Spenser, LCSW
NPI 1396891651 · Clinical Social Worker · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Spenser, LCSW is a Clinical Social Worker provider in Walnut Creek, CA (NPI 1396891651).
Provider details
- NPI number
- 1396891651
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS25276 (CA)
Specialties & taxonomies
Behavioral Health & Social 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
- 2007-01-26
- Last updated
- 2022-01-12
- Certified
- 2022-01-12
Frequently asked questions
- What is Jason Spenser's NPI number?
- Jason Spenser's National Provider Identifier (NPI) is 1396891651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Spenser's specialty?
- Jason Spenser is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jason Spenser located?
- Jason Spenser's practice location on file with NPPES is 710 S Broadway Ste 300, Walnut Creek, CA 94596-5229.
- What is Jason Spenser's phone number?
- The practice phone number listed in the NPPES registry for Jason Spenser is (925) 295-4145.
- Does Jason Spenser accept Medicare?
- Jason Spenser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Spenser's NPI active?
- Yes — Jason Spenser's NPI (1396891651) is active in the NPPES registry as of the last update on 2022-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.