Linda O'Brien
NPI 1770639106 · Adult Psychiatric/Mental Health Registered Nurse · Oakland, CA
Linda O'Brien is a Adult Psychiatric/Mental Health Registered Nurse provider in Oakland, CA (NPI 1770639106).
Provider details
- NPI number
- 1770639106
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN212918 (CA)
Specialties & taxonomies
Nursing 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
- 2007-01-26
- Last updated
- 2023-09-07
Frequently asked questions
- What is Linda O'Brien's NPI number?
- Linda O'Brien's National Provider Identifier (NPI) is 1770639106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda O'Brien's specialty?
- Linda O'Brien is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Linda O'Brien located?
- Linda O'Brien's practice location on file with NPPES is 3900 Broadway, Oakland, CA 94611-5616.
- What is Linda O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Linda O'Brien is (510) 752-6694.
- Is Linda O'Brien's NPI active?
- Yes — Linda O'Brien's NPI (1770639106) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.