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

Dr. Brent Alan Orr, MD, PHD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1790983542

Dr. Brent Alan Orr, MD, PHD is an Anatomic Pathology & Clinical Pathology Physician in Baltimore, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

The Johns Hopkins Hospital Dept OF Pathology 600 North Wolfe Street
Baltimore, MD 21287-0005
Phone: (410) 955-3980
Fax: (410) 614-9011
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence RESIDENT (MD)

Record details

NPI number1790983542
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJuly 3, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Baltimore