Catherine Larson, MD
NPI 1255313060 · Internal Medicine Physician · Riverside, CA
Catherine Larson, MD is a Internal Medicine Physician provider in Riverside, CA (NPI 1255313060).
Provider details
- NPI number
- 1255313060
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- C38416 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-11-17
- Last updated
- 2011-01-05
Frequently asked questions
- What is Catherine Larson's NPI number?
- Catherine Larson's National Provider Identifier (NPI) is 1255313060, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Larson's specialty?
- Catherine Larson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Larson located?
- Catherine Larson's practice location on file with NPPES is 7117 Brockton Ave, Riverside, CA 92506-2615.
- What is Catherine Larson's phone number?
- The practice phone number listed in the NPPES registry for Catherine Larson is (951) 782-3617.
- Is Catherine Larson's NPI active?
- Yes — Catherine Larson's NPI (1255313060) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.