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

Stephen D. Rioux, MD

Individual provider Psychiatry Physician · NPI 1750381398

Stephen D. Rioux, MD is a Psychiatry Physician in Scarborough, Maine. Licensed in Massachusetts and Maine. Registered with an NPI since 2005.

Licensed in
MA, ME
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

49 Spring Street 2nd Fl
Scarborough, ME 04074
Phone: (207) 883-1414
Fax: (207) 883-1518
Show map & directions

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

Specialties & licences

Neurology with Special Qualifications in Child Neurology Physician (primary) Taxonomy 2084N0402X · Licence 012228 (ME)
Psychiatry Physician Taxonomy 2084P0800X · Licence 012228 (MA)

Record details

NPI number1750381398
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2005
Last updated in NPPESNovember 26, 2014
Mailing address49 Spring Street, 2nd Floor, Scarborough, ME 04074

Other providers in Scarborough