Marc R Larson DDS Ms a Dental Corporation
NPI 1437800620 · Sleep Medicine (Family Medicine) Physician · Riverside, CA
Marc R Larson DDS Ms a Dental Corporation is a Sleep Medicine (Family Medicine) Physician organization in Riverside, CA (NPI 1437800620).
Provider details
- NPI number
- 1437800620
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Larson, Authorized Official(951) 546-4008
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
4 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
- 2022-01-10
- Last updated
- 2022-01-10
- Certified
- 2022-01-10
Frequently asked questions
- What is Marc R Larson DDS Ms a Dental Corporation's NPI number?
- Marc R Larson DDS Ms a Dental Corporation's National Provider Identifier (NPI) is 1437800620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc R Larson DDS Ms a Dental Corporation?
- Marc R Larson DDS Ms a Dental Corporation is classified in the NPPES registry as Sleep Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Marc R Larson DDS Ms a Dental Corporation located?
- Marc R Larson DDS Ms a Dental Corporation's practice location on file with NPPES is 6886 Indiana Ave Ste C, Riverside, CA 92506-4218.
- What is Marc R Larson DDS Ms a Dental Corporation's phone number?
- The practice phone number listed in the NPPES registry for Marc R Larson DDS Ms a Dental Corporation is (951) 546-4008.
- Who is the authorized official for Marc R Larson DDS Ms a Dental Corporation?
- The authorized official listed on Marc R Larson DDS Ms a Dental Corporation's NPPES record is Marc Larson, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc R Larson DDS Ms a Dental Corporation's NPI active?
- Yes — Marc R Larson DDS Ms a Dental Corporation's NPI (1437800620) is active in the NPPES registry as of the last update on 2022-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.