Sierra Greer, MS, ATC
NPI 1679366561 · Athletic Trainer · Rancho Cucamonga, CA
Sierra Greer, MS, ATC is a Athletic Trainer provider in Rancho Cucamonga, CA (NPI 1679366561).
Provider details
- NPI number
- 1679366561
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, ATC
- Sex
- Female
- 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
- 2025-05-23
- Last updated
- 2025-05-23
- Certified
- 2025-05-23
Frequently asked questions
- What is Sierra Greer's NPI number?
- Sierra Greer's National Provider Identifier (NPI) is 1679366561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Greer's specialty?
- Sierra Greer is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sierra Greer located?
- Sierra Greer's practice location on file with NPPES is 7265 Hellman Ave, Rancho Cucamonga, CA 91701-5738.
- What is Sierra Greer's phone number?
- The practice phone number listed in the NPPES registry for Sierra Greer is (951) 323-3678.
- Is Sierra Greer's NPI active?
- Yes — Sierra Greer's NPI (1679366561) is active in the NPPES registry as of the last update on 2025-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.