Joel Tetzlaff, PA
NPI 1164621074 · Physician Assistant · Fullerton, CA
Joel Tetzlaff, PA is a Physician Assistant provider in Fullerton, CA (NPI 1164621074).
Provider details
- NPI number
- 1164621074
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA18035 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-07-12
- Last updated
- 2007-07-12
Frequently asked questions
- What is Joel Tetzlaff's NPI number?
- Joel Tetzlaff's National Provider Identifier (NPI) is 1164621074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Tetzlaff's specialty?
- Joel Tetzlaff is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joel Tetzlaff located?
- Joel Tetzlaff's practice location on file with NPPES is 2720 N Harbor Blvd, Fullerton, CA 92835-2609.
- What is Joel Tetzlaff's phone number?
- The practice phone number listed in the NPPES registry for Joel Tetzlaff is (714) 449-6230.
- Is Joel Tetzlaff's NPI active?
- Yes — Joel Tetzlaff's NPI (1164621074) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.