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

Dr. Mark Dumais, MD

Individual provider Internal Medicine Physician · NPI 1982690327

Dr. Mark Dumais, MD is an Internal Medicine Physician in LA Plata, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
Specialties on file
2
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

500 Charles St
LA Plata, MD 20646-5931
Phone: (301) 609-4857
Fax: (301) 609-4105
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D0053813 (MD)
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician Taxonomy 2083P0011X · Licence D0053813 (MD)

Record details

NPI number1982690327
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2005
Last updated in NPPESJune 4, 2012
Mailing address500 Charles St, La Plata, MD 20646-5931

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