Marianne O'Brien, MA SLP
NPI 1083071633 · Speech-Language Pathologist · Torrance, CA
Marianne O'Brien, MA SLP is a Speech-Language Pathologist provider in Torrance, CA (NPI 1083071633).
Provider details
- NPI number
- 1083071633
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MA SLP
- Sex
- Female
- Sole proprietor
- No
- License
- SP4849 (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
10 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
- 2016-01-26
- Last updated
- 2016-01-26
Frequently asked questions
- What is Marianne O'Brien's NPI number?
- Marianne O'Brien's National Provider Identifier (NPI) is 1083071633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne O'Brien's specialty?
- Marianne O'Brien is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Marianne O'Brien located?
- Marianne O'Brien's practice location on file with NPPES is 23639 Hawthorne Blvd, Torrance, CA 90505-5930.
- What is Marianne O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Marianne O'Brien is (424) 201-1631.
- Is Marianne O'Brien's NPI active?
- Yes — Marianne O'Brien's NPI (1083071633) is active in the NPPES registry as of the last update on 2016-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.