Greg Trikala
NPI 1336958966 · Addiction (Substance Use Disorder) Counselor · Antioch, CA
Greg Trikala is a Addiction (Substance Use Disorder) Counselor provider in Antioch, CA (NPI 1336958966).
Provider details
- NPI number
- 1336958966
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1593261224 (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
1 yr 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
- 2025-01-07
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Greg Trikala's NPI number?
- Greg Trikala's National Provider Identifier (NPI) is 1336958966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Trikala's specialty?
- Greg Trikala is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Greg Trikala located?
- Greg Trikala's practice location on file with NPPES is 3707 Sunset Ln, Antioch, CA 94509-6101.
- What is Greg Trikala's phone number?
- The practice phone number listed in the NPPES registry for Greg Trikala is (925) 281-3500.
- Is Greg Trikala's NPI active?
- Yes — Greg Trikala's NPI (1336958966) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.