RIVERSIDE OUTPATIENT SURGICAL INSTITUTE
NPI 1558759969
Clinic/Center - Ambulatory Surgical in Riverside, CA

Q: What is Mid-Valley Surgicenter Inc's NPI number?

The NPI number for Mid-Valley Surgicenter Inc is 1558759969. It was assigned to this organization in the NPPES registry on January 7, 2015. The provider is doing business as Riverside Outpatient Surgical Institute.

Q: What is Mid-Valley Surgicenter Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Active since January 07, 2015CLIA 05D2102172 · Waiver

4500 BROCKTON AVE, SUITE 105, RIVERSIDE, CA 92501(951) 784-4088(951) 784-4089 Get Directions Write a Review

NPPES record last updated: January 7, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Riverside Outpatient Surgical Institute NPPES

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

RIVERSIDE OUTPATIENT SURGICAL INSTITUTE (NPI 1558759969) is a healthcare organization registered as an ambulatory surgical in Riverside, California and active in the NPI registry since January 2015. The organization holds a CLIA Waiver certificate valid through February 6, 2027 and lists Robert A Hardesty, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1558759969

Entity TypeOrganization

Primary Taxonomy261QA1903X

Legal Business NameMID-VALLEY SURGICENTER INC

Location Address4500 BROCKTON AVE, SUITE 105Riverside, CA 92501-4090

Mailing Address4500 Brockton Ave, Suite 105Riverside, CA 92501-4090 · (951) 784-4088 · Fax (951) 784-4089

Phone(951) 784-4088

Fax(951) 784-4089

Organization SubpartNo

Authorized OfficialRobert A HardestyMedical Director · (951) 784-4088

Enumeration DateJanuary 7, 2015

✔ NPI 1558759969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities

Taxonomy Code261QA1903X

4500 BROCKTON AVE, Riverside, CA 92501

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Other Names 1

Doing Business AsRiverside Outpatient Surgical Institute

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 05D2102172

Riverside Outpatient Surgical Institute · Riverside, CA

Active · expires Feb 6, 2027

CLIA Number05D2102172

Laboratory TypeAmbulatory Surgery Center

Certificate Effective DateFebruary 7, 2025

Certificate Expiration DateFebruary 6, 2027

Laboratory DirectorReekesh Patel

Laboratory Phone(951) 784-4088

Laboratory LocationRiverside Outpatient Surgical Institute4500 Brockton Ave Ste 105, Riverside, CA 92501

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

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

DR. JAN PAUL MADDOX M.D.

Pain Medicine (Interventional Pain Medicine)

4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501

Riverside County (951) 715-3963

COMMUNITY PAIN MANAGEMENT MEDICAL CLINIC INC

Pain Medicine (Interventional Pain Medicine)

4500 BROCKTON AVE, STE 305
RIVERSIDE, CA 92501

Riverside County (951) 715-3963

BENJAMIN CHUNG MD

Internal Medicine

4500 BROCKTON AVE, SUITE 306
RIVERSIDE, CA 92501

Riverside County (951) 321-0100

RIVERSIDE RADIOLOGY MEDICAL GROUP INC

Radiology (Diagnostic Radiology)

4500 BROCKTON AVE, SUITE 219
RIVERSIDE, CA 92501

Riverside County (951) 276-7550

RIVERSIDE HEALTHCARE SYSTEM LP

Radiology (Radiation Oncology)

4500 BROCKTON AVE, SUITE 101
RIVERSIDE, CA 92501

Riverside County (951) 788-4318

MR. RAFAEL MARROQUIN 989057

Specialist

4500 BROCKTON AVE, SUITE 317
RIVERSIDE, CA 92501

Riverside County (951) 367-2111

LOS ANGELES CARDIOLOGY ASSOCIATES

Specialist

4500 BROCKTON AVE, STE 203
RIVERSIDE, CA 92501

Riverside County (951) 686-3600

MICHAEL J DEL RIO MD INC

Surgery (Surgical Critical Care)

4500 BROCKTON AVE, 317
RIVERSIDE, CA 92501

Riverside County (949) 588-2190

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 Mid-Valley Surgicenter Inc's NPI number?

The NPI number for Mid-Valley Surgicenter Inc is 1558759969. It was assigned to this organization in the NPPES registry on January 7, 2015. The provider is doing business as Riverside Outpatient Surgical Institute.

Where is Mid-Valley Surgicenter Inc located?

Mid-Valley Surgicenter Inc is located at 4500 Brockton Ave Suite 105, Riverside, CA 92501. The listed phone number is (951) 784-4088.

What is Mid-Valley Surgicenter Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Does Mid-Valley Surgicenter Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2102172) is associated with this NPI, valid through February 6, 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 Mid-Valley Surgicenter Inc was last updated on January 7, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.