Sierra Farquhar, ASW
NPI 1366339343 · Clinical Social Worker · Mammoth Lakes, CA
Sierra Farquhar, ASW is a Clinical Social Worker provider in Mammoth Lakes, CA (NPI 1366339343).
Provider details
- NPI number
- 1366339343
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ASW
- Sex
- Female
- Sole proprietor
- No
- License
- ASW130974 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
1 yr 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
- 2025-06-21
- Last updated
- 2025-06-21
- Certified
- 2025-06-21
Frequently asked questions
- What is Sierra Farquhar's NPI number?
- Sierra Farquhar's National Provider Identifier (NPI) is 1366339343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Farquhar's specialty?
- Sierra Farquhar is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sierra Farquhar located?
- Sierra Farquhar's practice location on file with NPPES is 549 Old Mammoth Rd # 204, Mammoth Lakes, CA 93546-6357.
- What is Sierra Farquhar's phone number?
- The practice phone number listed in the NPPES registry for Sierra Farquhar is (760) 709-0262.
- Is Sierra Farquhar's NPI active?
- Yes — Sierra Farquhar's NPI (1366339343) is active in the NPPES registry as of the last update on 2025-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.