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

John Sebastian O'Brien II, MD

Individual provider Forensic Psychiatry Physician · NPI 1063783249

John Sebastian O'Brien II, MD is a Forensic Psychiatry Physician in Philadelphia, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2012.

Licensed in
PA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2001 Hamilton St Ste 1515
Philadelphia, PA 19130-4201
Phone: (215) 563-4141
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Forensic Psychiatry Physician (primary) Taxonomy 2084F0202X · Licence MD035503E (PA)

Record details

NPI number1063783249
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 20, 2012
Last updated in NPPESJanuary 20, 2012

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