Mary Ann O'Donnell, R.N.
NPI 1396912739 · Administrator Registered Nurse · Los Angeles, CA
Mary Ann O'Donnell, R.N. is a Administrator Registered Nurse provider in Los Angeles, CA (NPI 1396912739).
Provider details
- NPI number
- 1396912739
- Entity type
- Individual
- Primary specialty
- Administrator Registered NurseNursing Service Providers
- Credential
- R.N.
- Sex
- Female
- Sole proprietor
- No
- License
- 347128 (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
18 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
- 2008-05-14
- Last updated
- 2008-05-14
Frequently asked questions
- What is Mary Ann O'Donnell's NPI number?
- Mary Ann O'Donnell's National Provider Identifier (NPI) is 1396912739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann O'Donnell's specialty?
- Mary Ann O'Donnell is listed in the NPPES registry with a primary specialty of Administrator Registered Nurse (Nursing Service Providers).
- Where is Mary Ann O'Donnell located?
- Mary Ann O'Donnell's practice location on file with NPPES is 550 S Vermont Ave, Los Angeles, CA 90020-1912.
- What is Mary Ann O'Donnell's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann O'Donnell is (213) 637-4588.
- Is Mary Ann O'Donnell's NPI active?
- Yes — Mary Ann O'Donnell's NPI (1396912739) is active in the NPPES registry as of the last update on 2008-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.