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

Dr. Karen Mary O'Brien, PHD

Individual provider Counseling Psychologist · NPI 1760692396

Dr. Karen Mary O'Brien, PHD is a Counseling Psychologist in Silver Spring, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

14724 Locustwood Ln
Silver Spring, MD 20905-6424
Phone: (301) 405-5812
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 03106 (MD)

Record details

NPI number1760692396
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007

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