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

Dr. Mark Jan Harrison, MD

Individual provider Gynecology Physician · NPI 1134135098

Dr. Mark Jan Harrison, MD is a Gynecology Physician in North Potomac, Maryland. Practices as a sole proprietor. Licensed in Maryland.

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

13536 Travilah Rd
North Potomac, MD 20878-3847
Phone: (301) 977-6784
Show map & directions

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

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence D0064056 (MD)

Record details

NPI number1134135098
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2006
Last updated in NPPESNovember 5, 2009
Mailing address13536 Travilah Rd, North Potomac, MD 20878-3847