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

Stuart J Ruben, MD

Individual provider Internal Medicine Physician · NPI 1881844645

Stuart J Ruben, MD is an Internal Medicine Physician in Casper, Wyoming. Licensed in Wyoming. Registered with an NPI since 2008.

Licensed in
WY
In the registry since
2008
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

419 S Washington St Ste 200
Casper, WY 82601-2951
Phone: (307) 265-8300
Fax: (307) 265-8313
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 5787A (WY)

Record details

NPI number1881844645
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2008
Last updated in NPPESSeptember 29, 2008
Mailing address419 S Washington St, Suite 200, Casper, WY 82601-2951

Other providers in Casper