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

Dr. Mark Jonathan Smith, MD, PHD

Individual provider Psychiatry Physician · NPI 1063432284

Dr. Mark Jonathan Smith, MD, PHD is a Psychiatry Physician in Gaithersburg, 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.
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 Address checks out

9021 Shady Grove Ct
Gaithersburg, MD 20877-1301
Phone: (301) 590-9000
Fax: (301) 869-7760
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence D0057969 (MD)

Record details

NPI number1063432284
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESNovember 5, 2021
Mailing address729 13th St Ne, Washington, DC 20002-4437

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