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Ruth Stanhiser, MD
NPI 1972510832 · Family Medicine Physician · Colton, CA
Ruth Stanhiser, MD is a Family Medicine Physician provider in Colton, CA (NPI 1972510832).
Provider details
- NPI number
- 1972510832
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G35658 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
400 N Pepper Ave
Arrowhead Regional Medical Center
Colton, CA 92324-1819
Phone: (909) 580-6240
Fax: (909) 580-6308
Street-level locationGet directions
Mailing address
Po Box 5157
San Bernardino, CA 92412-5157
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ruth Stanhiser's NPI number?
- Ruth Stanhiser's National Provider Identifier (NPI) is 1972510832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Stanhiser's specialty?
- Ruth Stanhiser is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Stanhiser located?
- Ruth Stanhiser's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324-1819.
- What is Ruth Stanhiser's phone number?
- The practice phone number listed in the NPPES registry for Ruth Stanhiser is (909) 580-6240.
- Is Ruth Stanhiser's NPI active?
- Yes — Ruth Stanhiser's NPI (1972510832) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.