Derek Zellmer
NPI 1134952435 · Rehabilitation Practitioner · Claremont, CA
Derek Zellmer is a Rehabilitation Practitioner provider in Claremont, CA (NPI 1134952435).
Provider details
- NPI number
- 1134952435
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, 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
1 yr 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
- 2024-08-22
- Last updated
- 2024-09-03
- Certified
- 2024-09-03
Frequently asked questions
- What is Derek Zellmer's NPI number?
- Derek Zellmer's National Provider Identifier (NPI) is 1134952435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Zellmer's specialty?
- Derek Zellmer is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Derek Zellmer located?
- Derek Zellmer's practice location on file with NPPES is 2243 N Mountain Ave, Claremont, CA 91711-1586.
- What is Derek Zellmer's phone number?
- The practice phone number listed in the NPPES registry for Derek Zellmer is (608) 343-9359.
- Is Derek Zellmer's NPI active?
- Yes — Derek Zellmer's NPI (1134952435) is active in the NPPES registry as of the last update on 2024-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.