Guy Petersen
NPI 1407744774 · Addiction (Substance Use Disorder) Counselor · Los Angeles, CA
Guy Petersen is a Addiction (Substance Use Disorder) Counselor provider in Los Angeles, CA (NPI 1407744774).
Provider details
- NPI number
- 1407744774
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
Under 1 yr in 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
- 2025-06-25
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Guy Petersen's NPI number?
- Guy Petersen's National Provider Identifier (NPI) is 1407744774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guy Petersen's specialty?
- Guy Petersen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Guy Petersen located?
- Guy Petersen's practice location on file with NPPES is 5675 W Olympic Blvd, Los Angeles, CA 90036-4712.
- What is Guy Petersen's phone number?
- The practice phone number listed in the NPPES registry for Guy Petersen is (323) 965-1365.
- Is Guy Petersen's NPI active?
- Yes — Guy Petersen's NPI (1407744774) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.