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

John C. O'Brien, Jr , MD, PA

Organization Surgical Oncology Physician · NPI 1104191667

John C. O'Brien, Jr , MD, PA is a Surgical Oncology Physician in Dallas, Texas. Licensed in Texas. Registered with an NPI since 2012.

Licensed in
TX
In the registry since
2012
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

8223 Forest Hills Blvd
Dallas, TX 75218-4410
Phone: (214) 320-9163
Fax: (214) 320-9163
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence D 6835 (TX)

Record details

NPI number1104191667
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John O'Brien — President · (214) 320-9163
NPI enumeratedMarch 16, 2012
Last updated in NPPESDecember 31, 2012
Mailing address8223 Forest Hills Blvd, Dallas, TX 75218-4410

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