1. Home
  2. Directory
  3. California
  4. Corona
  5. Clinic Center
  6. NPI Profile

SYMBIOSIS, INC.
NPI 1255993176
Clinic/Center - Urgent Care in Corona, CA

Active since July 01, 2019CLIA 05D2174088 · Waiver
3115 PALISADES DRIVE, CORONA, CA 92880(909) 880-2979 Get Directions Write a Review

NPPES record last updated: July 1, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Symbiosis, Inc. NPPES

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

SYMBIOSIS, INC. (NPI 1255993176) is a healthcare organization registered as an urgent care in Corona, California and active in the NPI registry since July 2019. The organization holds a CLIA Waiver certificate valid through October 22, 2027 and lists Dawn Downs, President, as its authorized official.

NPPES Registry Identity

NPI1255993176
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameSYMBIOSIS, INC.
Location Address3115 PALISADES DRIVECorona, CA 92880
Mailing Address18592 Cajon Blvd.San Bernardino, CA 92407 · (909) 790-9950
Phone(909) 880-2979
Organization SubpartNo
Authorized OfficialDawn DownsPresident · (951) 283-9861
Enumeration DateJuly 1, 2019
✔ NPI 1255993176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
3115 PALISADES DRIVE, Corona, CA 92880
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Symbiosis, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Symbiosis, Inc., which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (4)

Robert Bassler, M.D.
Emergency Medicine
NPI 1184675902
11234 ANDERSON ST
Loma Linda, CA 92354
(909) 558-4000
✔ PECOS✔ Accepts Medicare24 mi
Dawn Downs, MSN, FNP-BC, RN, CCR
Nurse Practitioner
NPI 1043720006
18592 CAJON BLVD
San Bernardino, CA 92407
(951) 283-9861
✔ PECOS27 mi
Ray Velasco, A.C.N.P.
Nurse Practitioner
NPI 1740492289
399 E HIGHLAND AVE SUITE 307
San Bernardino, CA 92404
(909) 881-7400
✔ PECOS✔ Accepts Medicare27 mi
Kim Walker, NURSE PRACTITIONER
Nurse Practitioner
NPI 1598549578
27397 NORTH BAY ROAD
Lake Arrowhead, CA 92352
(909) 744-7591
✔ PECOS✔ Accepts Medicare35 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2174088

Symbiosis Care · Redlands, CA
Active · expires Oct 22, 2027
CLIA Number05D2174088
Laboratory TypeUrgent Care
Certificate Effective DateOctober 23, 2025
Certificate Expiration DateOctober 22, 2027
Laboratory DirectorGrange T. Jeff MD
Laboratory Phone(909) 880-2979
Laboratory LocationSymbiosis Care1801 Orange Tree Lane, Suite 100, Redlands, CA 92374
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Symbiosis, Inc.'s NPI number?

The NPI number for Symbiosis, Inc. is 1255993176. It was assigned to this organization in the NPPES registry on July 1, 2019.

Where is Symbiosis, Inc. located?

Symbiosis, Inc. is located at 3115 Palisades Drive, Corona, CA 92880. The listed phone number is (909) 880-2979.

What is Symbiosis, Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is Symbiosis, Inc. enrolled in Medicare?

Yes. Symbiosis, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Symbiosis, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Symbiosis, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Emergency Medicine (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Symbiosis, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2174088) is associated with this NPI, valid through October 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Symbiosis, Inc. was last updated on July 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.