Marta Loewen, CADC I (CA)
NPI 1942576673 · Addiction (Substance Use Disorder) Counselor · Montebello, CA
Marta Loewen, CADC I (CA) is a Addiction (Substance Use Disorder) Counselor provider in Montebello, CA (NPI 1942576673).
Provider details
- NPI number
- 1942576673
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC I (CA)
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Community Health Worker172V00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 300 Harbor BlvdBelmont, CA 94002-4018Phone: (650) 817-9070Fax: (650) 246-3838
Registry dates
- Enumerated
- 2012-03-27
- Last updated
- 2021-09-09
- Certified
- 2021-09-09
Frequently asked questions
- What is Marta Loewen's NPI number?
- Marta Loewen's National Provider Identifier (NPI) is 1942576673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marta Loewen's specialty?
- Marta Loewen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marta Loewen located?
- Marta Loewen's practice location on file with NPPES is 3316 W Beverly Blvd, Montebello, CA 90640-1537.
- What is Marta Loewen's phone number?
- The practice phone number listed in the NPPES registry for Marta Loewen is (323) 722-4529.
- Is Marta Loewen's NPI active?
- Yes — Marta Loewen's NPI (1942576673) is active in the NPPES registry as of the last update on 2021-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.