Diana Sehnal, LCSW
NPI 1275581399 · Clinical Social Worker · Merced, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Sehnal, LCSW is a Clinical Social Worker provider in Merced, CA (NPI 1275581399).
Provider details
- NPI number
- 1275581399
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 19275 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 242 I St Ste 3Los Banos, CA 93635-4125Phone: (209) 829-0744Fax: (209) 723-3816
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2018-09-20
Frequently asked questions
- What is Diana Sehnal's NPI number?
- Diana Sehnal's National Provider Identifier (NPI) is 1275581399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Sehnal's specialty?
- Diana Sehnal is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diana Sehnal located?
- Diana Sehnal's practice location on file with NPPES is 1170 W Olive Ave Ste G, Merced, CA 95348-1959.
- What is Diana Sehnal's phone number?
- The practice phone number listed in the NPPES registry for Diana Sehnal is (209) 724-0800.
- Does Diana Sehnal accept Medicare?
- Diana Sehnal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Sehnal's NPI active?
- Yes — Diana Sehnal's NPI (1275581399) is active in the NPPES registry as of the last update on 2018-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.