Mid Valley Surgery Center LLC

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

MID VALLEY SURGERY CENTER LLC

Practice address

4682 Ontario Mills Pkwy
Ontario, CA 91764-5104

Phone

(909) 204-3540

Fax

(909) 989-3007

NPI assigned

Apr 26, 2010

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Clayton A Varga, M.DNPI 1629060694

Title

Manager

Phone

(626) 696-1400

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Hospital certification: CCN 050844

Legal name

MID VALLEY SURGERY CENTER

Certification status

Terminated Voluntary: merger or closure, May 11, 2023

Provider type (POS)

Hospital – Short-term

Participating since

Mar 3, 2021

Last certification

Mar 3, 2021

Beds

1

Ownership / control type

Private (for profit)

Facility address

4682 Ontario Mills Parkway
Ontario, CA 91764

Listed as

Mid Valley Surgery Center IncCCN 05C0001950

Medicare certification status

ActiveFrom the Provider of Services file

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Clayton Alexander Varga, MD

  • Pain Medicine (Anesthesiology) Physician
  • San Diego, CA
  • NPI 1629060694
  NPD (past) Authorized official

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1272240000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784764800000",
    "number": "1992022297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10565 CIVIC CENTER DR STE 250",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917303854",
            "telephone_number": "909-204-3540",
            "fax_number": "909-989-3007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4682 ONTARIO MILLS PKWY",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917645104",
            "telephone_number": "909-204-3540",
            "fax_number": "909-989-3007"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MID VALLEY SURGERY CENTER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-04-26",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A",
        "authorized_official_last_name": "VARGA",
        "authorized_official_first_name": "CLAYTON",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "626-696-1400",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael J. Min, DDS Inc
• Michael L Wach, DPM, Podiatry Corp
• Ereny Michael
• Jennifer Michaels
• Kaitlyn Michel
• Sarah Midou
• Jazmin Mier
• Mildred Lisette Miguel-Perez
• Kristeen Miguel
• Andrew Miles, D.C.

• Ambulatory Surgical Clinic/Center in Ontario, CA
• Providers in Ontario, CA by specialty
• Ambulatory Surgical Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.