Leslie Sloniger, M.S., CCC-SLP
NPI 1386571560 · Speech-Language Pathologist · Fountain Valley, CA
Leslie Sloniger, M.S., CCC-SLP is a Speech-Language Pathologist provider in Fountain Valley, CA (NPI 1386571560).
Provider details
- NPI number
- 1386571560
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S., CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28801 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-05-04
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is Leslie Sloniger's NPI number?
- Leslie Sloniger's National Provider Identifier (NPI) is 1386571560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Sloniger's specialty?
- Leslie Sloniger is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Leslie Sloniger located?
- Leslie Sloniger's practice location on file with NPPES is 16250 Hickory St, Fountain Valley, CA 92708-1404.
- What is Leslie Sloniger's phone number?
- The practice phone number listed in the NPPES registry for Leslie Sloniger is (714) 842-0626.
- Is Leslie Sloniger's NPI active?
- Yes — Leslie Sloniger's NPI (1386571560) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.