Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Mary Ann O'Donnell, RN

Individual provider Administrator Registered Nurse · NPI 1396912739

MS. Mary Ann O'Donnell, RN is an Administrator Registered Nurse in Los Angeles, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

550 S Vermont Ave 12th Fl
Los Angeles, CA 90020-1912
Phone: (213) 637-4588
Fax: (213) 427-6166
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Administrator Registered Nurse (primary) Taxonomy 163WA2000X · Licence 347128 (CA)

Record details

NPI number1396912739
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedMay 14, 2008
Last updated in NPPESMay 14, 2008

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