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

Mr. Stewart James Callis, MD

Individual provider Psychiatry Physician · NPI 1982671723

Mr. Stewart James Callis, MD is a Psychiatry Physician in Oakland, 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

317 E Oak St
Oakland, MD 21550
Phone: (301) 334-5281
Fax: (301) 334-2535
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence D35577 (MD)

Record details

NPI number1982671723
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 1, 2006
Last updated in NPPESNovember 7, 2007

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