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

Ruth Ann Stanhiser, MD

Individual provider Family Medicine Physician · NPI 1972510832

Ruth Ann Stanhiser, MD is a Family Medicine Physician in Colton, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

400 N Pepper Ave Arrowhead Regional Medical Ctr
Colton, CA 92324-1819
Phone: (909) 580-6240
Fax: (909) 580-6308
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G35658 (CA)

Record details

NPI number1972510832
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 5157, San Bernardino, CA 92412-5157

Other providers in Colton