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

Mary C O'Brien, LPC

Individual provider Professional Counselor · NPI 1194874909

Mary C O'Brien, LPC is a Professional Counselor in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2007.

Licensed in
MO
In the registry since
2007
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

9378 Olive Blvd Ste 317
Saint Louis, MO 63132-3215
Phone: (314) 994-9344
Fax: (314) 994-3007
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 2003032103 (MO)

Record details

NPI number1194874909
Entity typeIndividual (Type 1)
GenderFemale
Credentials LPC
Sole proprietorNo
NPI enumeratedJanuary 10, 2007
Last updated in NPPESJuly 8, 2007

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