Joshua Marshall, LCSW
NPI 1588222400 · Clinical Social Worker · Big Bear Lake, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Marshall, LCSW is a Clinical Social Worker provider in Big Bear Lake, CA (NPI 1588222400).
Provider details
- NPI number
- 1588222400
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 88153 (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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 217 Crimson CirBig Bear City, CA 92314-9200Phone: (949) 892-9279
- 41820 Garstin DrBig Bear Lake, CA 92315Phone: (909) 878-8246
Registry dates
- Enumerated
- 2019-06-05
- Last updated
- 2023-12-12
- Certified
- 2022-11-02
Frequently asked questions
- What is Joshua Marshall's NPI number?
- Joshua Marshall's National Provider Identifier (NPI) is 1588222400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Marshall's specialty?
- Joshua Marshall is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joshua Marshall located?
- Joshua Marshall's practice location on file with NPPES is 41945 Big Bear Blvd # 208, Big Bear Lake, CA 92315-2030.
- What is Joshua Marshall's phone number?
- The practice phone number listed in the NPPES registry for Joshua Marshall is (909) 351-0742.
- Does Joshua Marshall accept Medicare?
- Joshua Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Marshall's NPI active?
- Yes — Joshua Marshall's NPI (1588222400) is active in the NPPES registry as of the last update on 2023-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.