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

Individual provider Mental Health Counselor · NPI 1588899058

Patrick O'Brien, MSW is a Mental Health Counselor in Williamsport, Pennsylvania. Practices as a sole proprietor. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.

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Practice location Address checks out

435 W 4th St
Williamsport, PA 17701-6001
Phone: (570) 524-9477
Fax: (570) 524-9492
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1588899058
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW
Sole proprietorYes
NPI enumeratedMay 27, 2009
Last updated in NPPESMay 27, 2009
Mailing address435 W 4th St, Williamsport, PA 17701-6001

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