Xavier Mountain, ACSW
NPI 1881229904 · Clinical Social Worker · Concord, CA
Xavier Mountain, ACSW is a Clinical Social Worker provider in Concord, CA (NPI 1881229904).
Provider details
- NPI number
- 1881229904
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ACSW
- Sex
- Male
- Sole proprietor
- No
- License
- ACSW93178 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Student, Health Care
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
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)
- 24077 State Highway 49Nevada City, CA 95959-8519Phone: (530) 265-9057
- 24077 State Highway 49Nevada City, CA 95959-5034Phone: (530) 260-9057
Registry dates
- Enumerated
- 2020-03-09
- Last updated
- 2021-04-30
- Certified
- 2021-04-30
Frequently asked questions
- What is Xavier Mountain's NPI number?
- Xavier Mountain's National Provider Identifier (NPI) is 1881229904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xavier Mountain's specialty?
- Xavier Mountain is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Xavier Mountain located?
- Xavier Mountain's practice location on file with NPPES is 1848 Willow Pass Rd Ste 207, Concord, CA 94520-2542.
- What is Xavier Mountain's phone number?
- The practice phone number listed in the NPPES registry for Xavier Mountain is (916) 362-8292.
- Is Xavier Mountain's NPI active?
- Yes — Xavier Mountain's NPI (1881229904) is active in the NPPES registry as of the last update on 2021-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.