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

Dr. Barbara Eloisa Mai, PHD, APRN, BC-P

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1821065350

Dr. Barbara Eloisa Mai, PHD, APRN, BC-P is an Adult Psychiatric/Mental Health Registered Nurse in Gaithersburg, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
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

44 Napa Valley Rd
Gaithersburg, MD 20878-4111
Phone: (301) 758-0575
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 R113810 (MD)

Record details

NPI number1821065350
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , APRN , BC-P
Sole proprietorYes
NPI enumeratedMarch 3, 2006
Last updated in NPPESJanuary 11, 2016

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