Isabel O'Brien, MS
NPI 1891350716 · Speech-Language Pathologist · San Diego, CA
Isabel O'Brien, MS is a Speech-Language Pathologist provider in San Diego, CA (NPI 1891350716).
Provider details
- NPI number
- 1891350716
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS
- Sex
- Female
- Sole proprietor
- No
- License
- SP36052 (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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2820 Camino Del Rio S Ste 308San Diego, CA 92108-3824Phone: (619) 546-0039
Registry dates
- Enumerated
- 2019-05-06
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Isabel O'Brien's NPI number?
- Isabel O'Brien's National Provider Identifier (NPI) is 1891350716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel O'Brien's specialty?
- Isabel O'Brien is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Isabel O'Brien located?
- Isabel O'Brien's practice location on file with NPPES is 4100 Normal St, San Diego, CA 92103-2653.
- What is Isabel O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Isabel O'Brien is (619) 725-5501.
- Is Isabel O'Brien's NPI active?
- Yes — Isabel O'Brien's NPI (1891350716) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.