Quest Diagnostics Nichols Institute

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

License

05D0643352 Issued in CA

Legal business name

QUEST DIAGNOSTICS NICHOLS INSTITUTE

Practice address

33608 Ortega Hwy
San Juan Capistrano, CA 92675-2042

Phone

(800) 642-4657

NPI assigned

Jun 21, 2006

Last updated

Sep 7, 2026By the provider in NPPES

Organization subpart

Yes

Parent organization

QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

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

Authorized official

Name

Leah D Timmerman

Title

SVP, Health Plans

Phone

(973) 520-2700

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

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

CLIA laboratory certificates

Part of

Corning Nichols

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

• Quest Diagnostics Incorporated

  • Clinical Medical Laboratory
  • Mount Kisco, NY
  • NPI 1730982109

  Member Of

  NPD member

Locations

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788739200000",
    "number": "1780620526",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4770 REGENT BLVD",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750632445",
            "telephone_number": "866-697-8378"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33608 ORTEGA HWY",
            "city": "SAN JUAN CAPISTRANO",
            "state": "CA",
            "postal_code": "926752042",
            "telephone_number": "800-642-4657"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "QUEST DIAGNOSTICS NICHOLS INSTITUTE",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2006-06-21",
        "last_updated": "2026-09-07",
        "certification_date": "2026-09-07",
        "status": "A",
        "authorized_official_last_name": "TIMMERMAN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "SVP, HEALTH PLANS",
        "authorized_official_telephone_number": "973-520-2700"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "CA",
            "license": "05D0643352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patrick John Pritzl, PT
• Pritzlpt LLC (Pritzl Physical Therapy and Sports Rehab)
• Brandon Profitt
• Madina Qadir
• Jimmy Quang, OD
• Lisa Shalee Quidor
• Vesna Radojevic, PH.D.
• Rajini Rajalingam, D.D.S.
• Jorge Fernando Ramirez, EMT
• Jessica Randle, MS SLP

• Clinical Medical Laboratory in San Juan Capistrano, CA
• Providers in San Juan Capistrano, CA by specialty
• Clinical Medical Laboratory in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.