Sierra Regadanz
NPI 1871158832 · Physician Assistant · Roseville, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Regadanz is a Physician Assistant provider in Roseville, CA (NPI 1871158832).
Provider details
- NPI number
- 1871158832
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA61828 (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
7 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
- 2019-05-06
- Last updated
- 2025-11-21
- Certified
- 2025-11-21
Frequently asked questions
- What is Sierra Regadanz's NPI number?
- Sierra Regadanz's National Provider Identifier (NPI) is 1871158832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Regadanz's specialty?
- Sierra Regadanz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sierra Regadanz located?
- Sierra Regadanz's practice location on file with NPPES is 148 Adrienne Ct, Roseville, CA 95747-5099.
- What is Sierra Regadanz's phone number?
- The practice phone number listed in the NPPES registry for Sierra Regadanz is (916) 872-7169.
- Does Sierra Regadanz accept Medicare?
- Sierra Regadanz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sierra Regadanz's NPI active?
- Yes — Sierra Regadanz's NPI (1871158832) is active in the NPPES registry as of the last update on 2025-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.