Greater Corona Sleep Diagnostic Center
NPI 1033362322 · Sleep Disorder Diagnostic Clinic/Center · Corona, CA
Greater Corona Sleep Diagnostic Center is a Sleep Disorder Diagnostic Clinic/Center organization in Corona, CA (NPI 1033362322).
Provider details
- NPI number
- 1033362322
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Chasity Testa, Biller(951) 530-3294
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-10-30
- Last updated
- 2008-10-30
Frequently asked questions
- What is Greater Corona Sleep Diagnostic Center's NPI number?
- Greater Corona Sleep Diagnostic Center's National Provider Identifier (NPI) is 1033362322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greater Corona Sleep Diagnostic Center?
- Greater Corona Sleep Diagnostic Center is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Greater Corona Sleep Diagnostic Center located?
- Greater Corona Sleep Diagnostic Center's practice location on file with NPPES is 341 Magnolia Ave Ste 203, Corona, CA 92879-3332.
- What is Greater Corona Sleep Diagnostic Center's phone number?
- The practice phone number listed in the NPPES registry for Greater Corona Sleep Diagnostic Center is (951) 735-6856.
- Who is the authorized official for Greater Corona Sleep Diagnostic Center?
- The authorized official listed on Greater Corona Sleep Diagnostic Center's NPPES record is Chasity Testa, Biller. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greater Corona Sleep Diagnostic Center's NPI active?
- Yes — Greater Corona Sleep Diagnostic Center's NPI (1033362322) is active in the NPPES registry as of the last update on 2008-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.