IndividualActive
Marissa Martinez
NPI 1558205526 · Speech-Language Assistant · Whittier, CA
Marissa Martinez is a Speech-Language Assistant provider in Whittier, CA (NPI 1558205526).
Provider details
- NPI number
- 1558205526
- Entity type
- Individual
- Primary specialty
- Speech-Language AssistantSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 10191 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Established profile(53/100 index)
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
12411 Slauson Ave
Whittier, CA 90606-2835
Phone: (562) 693-5449
Street-level locationGet directions
Mailing address
9455 Homage Ave
Whittier, CA 90603-1932
Registry dates
- Enumerated
- 2026-04-17
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Marissa Martinez's NPI number?
- Marissa Martinez's National Provider Identifier (NPI) is 1558205526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Martinez's specialty?
- Marissa Martinez is listed in the NPPES registry with a primary specialty of Speech-Language Assistant (Speech, Language and Hearing Service Providers).
- Where is Marissa Martinez located?
- Marissa Martinez's practice location on file with NPPES is 12411 Slauson Ave, Whittier, CA 90606-2835.
- What is Marissa Martinez's phone number?
- The practice phone number listed in the NPPES registry for Marissa Martinez is (562) 693-5449.
- Is Marissa Martinez's NPI active?
- Yes — Marissa Martinez's NPI (1558205526) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.