Willem Winkelman, ATC, EMT-B
NPI 1619429057 · Athletic Trainer · Fullerton, CA
Willem Winkelman, ATC, EMT-B is a Athletic Trainer provider in Fullerton, CA (NPI 1619429057).
Provider details
- NPI number
- 1619429057
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC, EMT-B
- Sex
- Male
- Sole proprietor
- Yes
- License
- E087476 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Emergency Medical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-11-02
- Last updated
- 2016-11-02
Frequently asked questions
- What is Willem Winkelman's NPI number?
- Willem Winkelman's National Provider Identifier (NPI) is 1619429057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Willem Winkelman's specialty?
- Willem Winkelman is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Willem Winkelman located?
- Willem Winkelman's practice location on file with NPPES is 555 N Commonwealth Ave, Fullerton, CA 92831-3602.
- What is Willem Winkelman's phone number?
- The practice phone number listed in the NPPES registry for Willem Winkelman is (707) 971-0071.
- Is Willem Winkelman's NPI active?
- Yes — Willem Winkelman's NPI (1619429057) is active in the NPPES registry as of the last update on 2016-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.