Derek Franzen
NPI 1437826609 · Occupational Therapist · Janesville, WI
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Franzen is a Occupational Therapist provider in Janesville, WI (NPI 1437826609).
Provider details
- NPI number
- 1437826609
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-08-25
- Last updated
- 2021-08-25
- Certified
- 2021-08-25
Frequently asked questions
- What is Derek Franzen's NPI number?
- Derek Franzen's National Provider Identifier (NPI) is 1437826609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Franzen's specialty?
- Derek Franzen is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Derek Franzen located?
- Derek Franzen's practice location on file with NPPES is 1000 Mineral Point Ave, Janesville, WI 53548-2940.
- What is Derek Franzen's phone number?
- The practice phone number listed in the NPPES registry for Derek Franzen is (608) 756-6000.
- Does Derek Franzen accept Medicare?
- Derek Franzen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Franzen's NPI active?
- Yes — Derek Franzen's NPI (1437826609) is active in the NPPES registry as of the last update on 2021-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.