Michael Trenner, RRT
NPI 1376785121 · Registered Respiratory Therapist · Portola, CA
Michael Trenner, RRT is a Registered Respiratory Therapist provider in Portola, CA (NPI 1376785121).
Provider details
- NPI number
- 1376785121
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT
- Sex
- Male
- Sole proprietor
- No
- License
- 00005718 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
17 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
- 2009-03-25
- Last updated
- 2009-03-25
Frequently asked questions
- What is Michael Trenner's NPI number?
- Michael Trenner's National Provider Identifier (NPI) is 1376785121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Trenner's specialty?
- Michael Trenner is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Michael Trenner located?
- Michael Trenner's practice location on file with NPPES is 545 Fourth St, Portola, CA 96122-7601.
- What is Michael Trenner's phone number?
- The practice phone number listed in the NPPES registry for Michael Trenner is (530) 832-9946.
- Is Michael Trenner's NPI active?
- Yes — Michael Trenner's NPI (1376785121) is active in the NPPES registry as of the last update on 2009-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.