David Sidell
NPI 1811385982 · Counselor · Vallejo, CA
David Sidell is a Counselor provider in Vallejo, CA (NPI 1811385982).
Provider details
- NPI number
- 1811385982
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
11 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
- 2014-12-24
- Last updated
- 2018-09-21
Frequently asked questions
- What is David Sidell's NPI number?
- David Sidell's National Provider Identifier (NPI) is 1811385982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Sidell's specialty?
- David Sidell is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is David Sidell located?
- David Sidell's practice location on file with NPPES is 508 Alabama St, Vallejo, CA 94590-4446.
- What is David Sidell's phone number?
- The practice phone number listed in the NPPES registry for David Sidell is (510) 318-6137.
- Is David Sidell's NPI active?
- Yes — David Sidell's NPI (1811385982) is active in the NPPES registry as of the last update on 2018-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.