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

Dr. Richard William Marcus, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1487693545

Dr. Richard William Marcus, MD is a Sleep Medicine (Internal Medicine) Physician in Springfield, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
In the registry since
2006
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

3333 Riverbend Dr Sleep Disorder Ctr
Springfield, OR 97477-8800
Phone: (541) 222-2402
Show map & directions

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

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence MD27166 (OR)
Neurology Physician Taxonomy 2084N0400X · Licence MD27166 (OR)

Record details

NPI number1487693545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESJuly 27, 2010
Mailing addressPo Box 24410, Eugene, OR 97402-0451