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

Thomas Gibson Brennan Jr., MD

Individual provider Diagnostic Radiology Physician · NPI 1720059405

Thomas Gibson Brennan Jr., MD is a Diagnostic Radiology Physician in Owings Mills, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

21 Crossroads Dr Ste 100
Owings Mills, MD 21117-5441
Phone: (410) 356-8186
Fax: (410) 356-4180
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence D0012843 (MD)

Record details

NPI number1720059405
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESMarch 18, 2008

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