Julianne O'Brien, ARNP
NPI 1134212459 · Pediatric Nurse Practitioner · Seattle, WA
Julianne O'Brien, ARNP is a Pediatric Nurse Practitioner provider in Seattle, WA (NPI 1134212459).
Provider details
- NPI number
- 1134212459
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30005639 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2006-09-30
- Last updated
- 2012-06-13
Frequently asked questions
- What is Julianne O'Brien's NPI number?
- Julianne O'Brien's National Provider Identifier (NPI) is 1134212459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julianne O'Brien's specialty?
- Julianne O'Brien is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julianne O'Brien located?
- Julianne O'Brien's practice location on file with NPPES is 2101 E Yesler Way # 100, Seattle, WA 98122-5959.
- What is Julianne O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Julianne O'Brien is (206) 987-7225.
- Is Julianne O'Brien's NPI active?
- Yes — Julianne O'Brien's NPI (1134212459) is active in the NPPES registry as of the last update on 2012-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.