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

Dr. Gerald Marti, MD, PHD

Individual provider Hematology (Internal Medicine) Physician · NPI 1427395300

Dr. Gerald Marti, MD, PHD is a Hematology (Internal Medicine) Physician in Potomac, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2013
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

11523 Gainsborough Rd
Potomac, MD 20854-3717
Phone: (301) 706-4399
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence D0025897 (MD)

Record details

NPI number1427395300
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJanuary 11, 2013
Last updated in NPPESAugust 3, 2015
Mailing address11523 Gainsborough Rd, Potomac, MD 20854-3717

Other providers in Potomac