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

Patrick O'Brien, MD

Individual provider Emergency Medicine Physician · NPI 1528095338

Patrick O'Brien, MD is an Emergency Medicine Physician in Knoxville, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
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

1924 Alcoa Hwy
Knoxville, TN 37920-1511
Phone: (865) 544-9000
Fax: (865) 539-8008
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD18573 (TN)

Record details

NPI number1528095338
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESNovember 15, 2007

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