Sonia Trefflich, LCSW
NPI 1316266497 · Clinical Social Worker · North Las Vegas, NV
Sonia Trefflich, LCSW is a Clinical Social Worker provider in North Las Vegas, NV (NPI 1316266497).
Provider details
- NPI number
- 1316266497
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 82541 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 yrs 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
- 2010-05-27
- Last updated
- 2022-01-07
- Certified
- 2022-01-07
Frequently asked questions
- What is Sonia Trefflich's NPI number?
- Sonia Trefflich's National Provider Identifier (NPI) is 1316266497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Trefflich's specialty?
- Sonia Trefflich is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sonia Trefflich located?
- Sonia Trefflich's practice location on file with NPPES is 3890 W Ann Rd Ste 100, North Las Vegas, NV 89031-4417.
- What is Sonia Trefflich's phone number?
- The practice phone number listed in the NPPES registry for Sonia Trefflich is (916) 713-3455.
- Is Sonia Trefflich's NPI active?
- Yes — Sonia Trefflich's NPI (1316266497) is active in the NPPES registry as of the last update on 2022-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.