Eileen O'Neill, CRNA
NPI 1922157841 · Certified Registered Nurse Anesthetist · Walnut Creek, CA
Eileen O'Neill, CRNA is a Certified Registered Nurse Anesthetist provider in Walnut Creek, CA (NPI 1922157841).
Provider details
- NPI number
- 1922157841
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 255 (CA)
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
- 2007-01-09
- Last updated
- 2023-09-07
Frequently asked questions
- What is Eileen O'Neill's NPI number?
- Eileen O'Neill's National Provider Identifier (NPI) is 1922157841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen O'Neill's specialty?
- Eileen O'Neill is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eileen O'Neill located?
- Eileen O'Neill's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is Eileen O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Eileen O'Neill is (925) 295-4000.
- Is Eileen O'Neill's NPI active?
- Yes — Eileen O'Neill's NPI (1922157841) 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.