Larry Besong
NPI 1003399106 · Registered Respiratory Therapist · Walnut, CA
Larry Besong is a Registered Respiratory Therapist provider in Walnut, CA (NPI 1003399106).
Provider details
- NPI number
- 1003399106
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12035 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 22285 Roundup DrWalnut, CA 91789Phone: (909) 973-7617
- 22285 Roundup DrWalnut, CA 91789Phone: (909) 973-7617
Registry dates
- Enumerated
- 2018-09-13
- Last updated
- 2018-09-13
Frequently asked questions
- What is Larry Besong's NPI number?
- Larry Besong's National Provider Identifier (NPI) is 1003399106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Besong's specialty?
- Larry Besong is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Larry Besong located?
- Larry Besong's practice location on file with NPPES is 22285 Roundup Dr, Walnut, CA 91789.
- What is Larry Besong's phone number?
- The practice phone number listed in the NPPES registry for Larry Besong is (909) 973-7617.
- Is Larry Besong's NPI active?
- Yes — Larry Besong's NPI (1003399106) is active in the NPPES registry as of the last update on 2018-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.