Gregory Nixon
NPI 1588048730 · Addiction (Substance Use Disorder) Counselor · San Diego, CA
Gregory Nixon is a Addiction (Substance Use Disorder) Counselor provider in San Diego, CA (NPI 1588048730).
Provider details
- NPI number
- 1588048730
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
10 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
- 2015-07-17
- Last updated
- 2015-07-17
Frequently asked questions
- What is Gregory Nixon's NPI number?
- Gregory Nixon's National Provider Identifier (NPI) is 1588048730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Nixon's specialty?
- Gregory Nixon is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Nixon located?
- Gregory Nixon's practice location on file with NPPES is 6244 El Cajon Blvd., San Diego, CA 92115.
- What is Gregory Nixon's phone number?
- The practice phone number listed in the NPPES registry for Gregory Nixon is (619) 287-8225.
- Is Gregory Nixon's NPI active?
- Yes — Gregory Nixon's NPI (1588048730) is active in the NPPES registry as of the last update on 2015-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.