Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John T. O'Brian, MD

Individual provider Internal Medicine Physician · NPI 1740256817

Dr. John T. O'Brian, MD is an Internal Medicine Physician in Norfolk, Virginia. Licensed in Virginia. Registered with an NPI since 2006.

Licensed in
VA
In the registry since
2006
Specialties on file
2
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

855 W Brambleton Ave
Norfolk, VA 23510-1005
Phone: (757) 446-5908
Fax: (757) 446-7055
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 0101045036 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101045036 (VA)

Record details

NPI number1740256817
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESDecember 2, 2009

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