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

Mrs. Thomasina Oleary, APRN

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1255538757

Mrs. Thomasina Oleary, APRN is an Adult Psychiatric/Mental Health Registered Nurse in Ellicott City, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

5400 Dunteachin Dr
Ellicott City, MD 21043
Phone: (410) 869-8653
Show map & directions

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

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X · Licence R136643 (MD)

Record details

NPI number1255538757
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedJune 28, 2007
Last updated in NPPESJuly 8, 2007

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