GREATER CORONA SLEEP DIAGNOSTIC CENTER
NPI 1033362322
Clinic/Center - Sleep Disorder Diagnostic in Corona, CA

Q: What is Greater Corona Sleep Diagnostic Center's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

Active since October 30, 2008

341 MAGNOLIA AVE STE 203, CORONA, CA 92879(951) 735-6856 Get Directions Write a Review

NPPES record last updated: October 30, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Greater Corona Sleep Diagnostic Center NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREATER CORONA SLEEP DIAGNOSTIC CENTER (NPI 1033362322) is a healthcare organization registered as a sleep disorder diagnostic in Corona, California and active in the NPI registry since October 2008. The organization lists Chasity A Testa, Biller, as its authorized official.

NPPES Registry Identity

NPI1033362322

Entity TypeOrganization

Primary Taxonomy261QS1200X

Legal Business NameGREATER CORONA SLEEP DIAGNOSTIC CENTER

Location Address341 MAGNOLIA AVE STE 203Corona, CA 92879-3332

Mailing Address341 Magnolia Ave Ste 203Corona, CA 92879-3332 · (951) 735-6856

Phone(951) 735-6856

Organization SubpartNo

Authorized OfficialChasity A TestaBiller · (951) 530-3294

Enumeration DateOctober 30, 2008

✔ NPI 1033362322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Sleep Disorder DiagnosticAmbulatory Health Care Facilities

Taxonomy Code261QS1200X

341 MAGNOLIA AVE STE 203, Corona, CA 92879

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SLEEPMED OF CALIFORNIA INC

Clinic/Center (Sleep Disorder Diagnostic)

341 MAGNOLIA AVE STE 203
CORONA, CA 92879

Riverside County (978) 536-7400

GREATER CORONA SLEEP DIAGNOSTIC CENTER

Internal Medicine (Sleep Medicine)

341 MAGNOLIA AVE STE 203
CORONA, CA 92879

Riverside County (951) 735-9211

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Greater Corona Sleep Diagnostic Center's NPI number?

The NPI number for Greater Corona Sleep Diagnostic Center is 1033362322. It was assigned to this organization in the NPPES registry on October 30, 2008.

Where is Greater Corona Sleep Diagnostic Center located?

Greater Corona Sleep Diagnostic Center is located at 341 Magnolia Ave Ste 203, Corona, CA 92879. The listed phone number is (951) 735-6856.

What is Greater Corona Sleep Diagnostic Center's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Sleep Disorder Diagnostic, with taxonomy code 261QS1200X.

When was this NPI record last updated?

The NPPES record for Greater Corona Sleep Diagnostic Center was last updated on October 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.