Lester De Guzman, RRT
NPI 1467936872 · Registered Respiratory Therapist · Fontana, CA
Lester De Guzman, RRT is a Registered Respiratory Therapist provider in Fontana, CA (NPI 1467936872).
Provider details
- NPI number
- 1467936872
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 30457 (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
7 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
- 2018-09-21
- Last updated
- 2021-11-10
- Certified
- 2021-11-10
Frequently asked questions
- What is Lester De Guzman's NPI number?
- Lester De Guzman's National Provider Identifier (NPI) is 1467936872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lester De Guzman's specialty?
- Lester De Guzman is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Lester De Guzman located?
- Lester De Guzman's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Lester De Guzman's phone number?
- The practice phone number listed in the NPPES registry for Lester De Guzman is (833) 574-2273.
- Is Lester De Guzman's NPI active?
- Yes — Lester De Guzman's NPI (1467936872) is active in the NPPES registry as of the last update on 2021-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.