Donald Duzenack
NPI 1154045763 · Occupational Therapist · Loveland, CO
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Duzenack is a Occupational Therapist provider in Loveland, CO (NPI 1154045763).
Provider details
- NPI number
- 1154045763
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- OT.0001899 (CO)
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
3 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
- 2022-09-27
- Last updated
- 2022-09-27
- Certified
- 2022-09-27
Frequently asked questions
- What is Donald Duzenack's NPI number?
- Donald Duzenack's National Provider Identifier (NPI) is 1154045763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Duzenack's specialty?
- Donald Duzenack is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Donald Duzenack located?
- Donald Duzenack's practice location on file with NPPES is 225 Gerry Dr, Loveland, CO 80537-9314.
- What is Donald Duzenack's phone number?
- The practice phone number listed in the NPPES registry for Donald Duzenack is (970) 443-8952.
- Does Donald Duzenack accept Medicare?
- Donald Duzenack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Duzenack's NPI active?
- Yes — Donald Duzenack's NPI (1154045763) is active in the NPPES registry as of the last update on 2022-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.