IndividualActive
Susan Diethelm, MD
NPI 1023185857 · Internal Medicine Physician · Riverside, CA
Susan Diethelm, MD is a Internal Medicine Physician provider in Riverside, CA (NPI 1023185857).
Provider details
- NPI number
- 1023185857
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G77782 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
10800 Magnolia Ave
Riverside, CA 92505-3043
Phone: (909) 353-2000
Street-level locationGet directions
Mailing address
10800 Magnolia Ave
Riverside, CA 92505-3043
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2008-09-23
Frequently asked questions
- What is Susan Diethelm's NPI number?
- Susan Diethelm's National Provider Identifier (NPI) is 1023185857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Diethelm's specialty?
- Susan Diethelm is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Diethelm located?
- Susan Diethelm's practice location on file with NPPES is 10800 Magnolia Ave, Riverside, CA 92505-3043.
- What is Susan Diethelm's phone number?
- The practice phone number listed in the NPPES registry for Susan Diethelm is (909) 353-2000.
- Is Susan Diethelm's NPI active?
- Yes — Susan Diethelm's NPI (1023185857) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.