Marianne Helledy, CADC I - CI36811122
NPI 1740830363 · Addiction (Substance Use Disorder) Counselor · San Pedro, CA
Marianne Helledy, CADC I - CI36811122 is a Addiction (Substance Use Disorder) Counselor provider in San Pedro, CA (NPI 1740830363).
Provider details
- NPI number
- 1740830363
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC I - CI36811122
- Sex
- Female
- Sole proprietor
- Yes
- License
- CI36811122 (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
6 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
- 2019-09-16
- Last updated
- 2024-03-05
- Certified
- 2024-03-05
Frequently asked questions
- What is Marianne Helledy's NPI number?
- Marianne Helledy's National Provider Identifier (NPI) is 1740830363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Helledy's specialty?
- Marianne Helledy is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marianne Helledy located?
- Marianne Helledy's practice location on file with NPPES is 505 S Pacific Ave, San Pedro, CA 90731-2656.
- What is Marianne Helledy's phone number?
- The practice phone number listed in the NPPES registry for Marianne Helledy is (310) 519-8723.
- Is Marianne Helledy's NPI active?
- Yes — Marianne Helledy's NPI (1740830363) is active in the NPPES registry as of the last update on 2024-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.