Brian Dorn
NPI 1255903431 · Professional Counselor · Lancaster, CA
Brian Dorn is a Professional Counselor provider in Lancaster, CA (NPI 1255903431).
Provider details
- NPI number
- 1255903431
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 21638 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2021-07-15
- Last updated
- 2026-01-07
- Certified
- 2026-01-07
Frequently asked questions
- What is Brian Dorn's NPI number?
- Brian Dorn's National Provider Identifier (NPI) is 1255903431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Dorn's specialty?
- Brian Dorn is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Brian Dorn located?
- Brian Dorn's practice location on file with NPPES is 45111 Fern Ave, Lancaster, CA 93534-2301.
- What is Brian Dorn's phone number?
- The practice phone number listed in the NPPES registry for Brian Dorn is (661) 949-1206.
- Is Brian Dorn's NPI active?
- Yes — Brian Dorn's NPI (1255903431) is active in the NPPES registry as of the last update on 2026-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.