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

Dr. Mark Owens Thornton, MD

Individual provider General Practice Physician · NPI 1972873461

Dr. Mark Owens Thornton, MD is a General Practice Physician in Damascus, Maryland. Practices as a sole proprietor. Licensed in Maryland.

Licensed in
MD
In the registry since
2011
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

26120 Kings Valley Rd
Damascus, MD 20872-1633
Phone: (301) 253-0854
Show map & directions

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

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence D0050387 (MD)

Record details

NPI number1972873461
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 30, 2011
Last updated in NPPESDecember 30, 2011

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