Marissa Klein, MS, CCC-SLP
NPI 1679990006 · Speech-Language Pathologist · Downey, CA
Marissa Klein, MS, CCC-SLP is a Speech-Language Pathologist provider in Downey, CA (NPI 1679990006).
Provider details
- NPI number
- 1679990006
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 18870 (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
12 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
- 2014-03-24
- Last updated
- 2017-10-11
Frequently asked questions
- What is Marissa Klein's NPI number?
- Marissa Klein's National Provider Identifier (NPI) is 1679990006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Klein's specialty?
- Marissa Klein is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Marissa Klein located?
- Marissa Klein's practice location on file with NPPES is 7601 Imperial Hwy, Downey, CA 90242-3456.
- What is Marissa Klein's phone number?
- The practice phone number listed in the NPPES registry for Marissa Klein is (562) 385-8320.
- Is Marissa Klein's NPI active?
- Yes — Marissa Klein's NPI (1679990006) is active in the NPPES registry as of the last update on 2017-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.