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Josephine Martherus
NPI 1396167359 · Case Manager/Care Coordinator · Gardena, CA
Josephine Martherus is a Case Manager/Care Coordinator provider in Gardena, CA (NPI 1396167359).
Provider details
- NPI number
- 1396167359
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
1045 W Redondo Beach Blvd Ste 300
Gardena, CA 90247-4175
Phone: (323) 241-6730
Street-level locationGet directions
Mailing address
1045 W Redondo Beach Blvd Ste 300
Gardena, CA 90247-4175
Registry dates
- Enumerated
- 2014-01-10
- Last updated
- 2023-07-12
- Certified
- 2023-07-12
Frequently asked questions
- What is Josephine Martherus's NPI number?
- Josephine Martherus's National Provider Identifier (NPI) is 1396167359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Martherus's specialty?
- Josephine Martherus is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Josephine Martherus located?
- Josephine Martherus's practice location on file with NPPES is 1045 W Redondo Beach Blvd Ste 300, Gardena, CA 90247-4175.
- What is Josephine Martherus's phone number?
- The practice phone number listed in the NPPES registry for Josephine Martherus is (323) 241-6730.
- Is Josephine Martherus's NPI active?
- Yes — Josephine Martherus's NPI (1396167359) is active in the NPPES registry as of the last update on 2023-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.