Sandra Mattar, M.S./CCC-SLP
NPI 1598855843 · Speech-Language Pathologist · Santa Monica, CA
Sandra Mattar, M.S./CCC-SLP is a Speech-Language Pathologist provider in Santa Monica, CA (NPI 1598855843).
Provider details
- NPI number
- 1598855843
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S./CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SP13917 (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
19 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
- 2006-10-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sandra Mattar's NPI number?
- Sandra Mattar's National Provider Identifier (NPI) is 1598855843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Mattar's specialty?
- Sandra Mattar is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Sandra Mattar located?
- Sandra Mattar's practice location on file with NPPES is 2811 Wilshire Blvd, Santa Monica, CA 90403-4803.
- What is Sandra Mattar's phone number?
- The practice phone number listed in the NPPES registry for Sandra Mattar is (310) 264-8300.
- Is Sandra Mattar's NPI active?
- Yes — Sandra Mattar's NPI (1598855843) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.