Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MID VALLEY SURGERY CENTER LLC
NPI 1992022297
Clinic/Center - Ambulatory Surgical in Ontario, CA

Q: What is Mid Valley Surgery Center LLC's NPI number?

The NPI number for Mid Valley Surgery Center LLC is 1992022297. It was assigned to this organization in the NPPES registry on April 26, 2010.

Q: What is Mid Valley Surgery Center LLC's specialty?

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

Active since April 26, 2010CLIA 05D2012132 · Waiver

4682 ONTARIO MILLS PKWY, ONTARIO, CA 91764(909) 204-3540(909) 989-3007 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2026, Mar 17, 2025, Apr 20, 2020 and 1 more (4 updates tracked since 2020).

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About Mid Valley Surgery Center Llc NPPES

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

MID VALLEY SURGERY CENTER LLC (NPI 1992022297) is a healthcare organization registered as an ambulatory surgical in Ontario, California and active in the NPI registry since April 2010. The organization holds a CLIA Waiver certificate valid through August 29, 2026 and lists Clayton A Varga, Manager, as its authorized official.

NPPES Registry Identity

NPI1992022297

Entity TypeOrganization

Primary Taxonomy261QA1903X

Legal Business NameMID VALLEY SURGERY CENTER LLC

Location Address4682 ONTARIO MILLS PKWYOntario, CA 91764-5104

Mailing Address10565 Civic Center Dr Ste 250Rancho Cucamonga, CA 91730-3854 · (909) 204-3540 · Fax (909) 989-3007

Phone(909) 204-3540

Fax(909) 989-3007

Organization SubpartNo

Authorized OfficialClayton A VargaManager · (626) 696-1400

Enumeration DateApril 26, 2010

Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1992022297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities

Taxonomy Code261QA1903X

4682 ONTARIO MILLS PKWY, Ontario, CA 91764

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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 05D2012132

Mid Valley Surgery Center, LLC · Ontario, CA

Active · expires Aug 29, 2026

CLIA Number05D2012132

Laboratory TypeAmbulatory Surgery Center

Certificate Effective DateAugust 30, 2024

Certificate Expiration DateAugust 29, 2026

Laboratory DirectorMarc E. Lynch, Do

Laboratory Phone(909) 204-3540

Laboratory LocationMid Valley Surgery Center, LLC4682 Ontario Mills Parkway, Ontario, CA 91764

CLIA data matches this NPI record on: Address Name Phone

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

151 services119 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

68 services23 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

38 services15 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

30 services22 patients

Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography G0260

This procedure involves injecting medicine into the sacroiliac joint, located in the lower back. The aim is to reduce inflammation and pain. Anesthetic is used for immediate pain relief, while a steroid helps decrease inflammation over time. Arthrography, a type of imaging, may be used for precision.

26 services13 patients

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 Surgery Center LLC's NPI number?

The NPI number for Mid Valley Surgery Center LLC is 1992022297. It was assigned to this organization in the NPPES registry on April 26, 2010.

Where is Mid Valley Surgery Center LLC located?

Mid Valley Surgery Center LLC is located at 4682 Ontario Mills Pkwy, Ontario, CA 91764. The listed phone number is (909) 204-3540.

What is Mid Valley Surgery Center LLC's specialty?

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

Does Mid Valley Surgery Center LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2012132) is associated with this NPI, valid through August 29, 2026. 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 Surgery Center LLC was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.