Organization Active NPI

Richard G Quist MD Medical Corporation Inc

  • Gastroenterology Physician
  • Newport Beach, CA
National Provider Identifier
1447405808
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A65910 Issued in CA
Legal business name
RICHARD G QUIST MD MEDICAL CORPORATION INC
Practice address
520 Superior Ave Ste 245
Newport Beach, CA 92663-3642
Phone
(949) 645-8300
Fax
(949) 645-0200
NPI assigned
Nov 25, 2008
Last updated
Aug 4, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 4, 2026

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

Authorized official

Name
Richard G QuistNPI 1861436024
Title
Ceo
Phone
(714) 527-1082

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RG0100X A65910 CA Primary

Addresses

Primary practice location

520 Superior Ave Ste 245
Newport Beach, CA 92663-3642

Mailing address

520 Superior Ave Ste 245
Newport Beach, CA 92663-3642
Phone (949) 645-8300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20101230000219 CA Part B Supplier - Clinic/Group Practice 2860680188 Receives reassigned benefits from 2 practitioners
Practice locations: Newport Beach, CA

Laboratory certificates & supplier records

Derived by NPIMap

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

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D2141819Richard G. Quist MD, Medical Corp, Inc.520 Superior Ave, Ste 245, Newport Beach, CA 92663ComplianceOct 24, 2026

National Provider Directory

National Provider Directory

Locations

16405 Sand Canyon Ave
Bldg A
Irvine, CA 92618

520 Superior Ave
Ste 245
Newport Beach, CA 92663
Phone (310) 344-1017

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/EEEDBA

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1227571200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785801600000",
    "number": "1447405808",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "520 SUPERIOR AVE STE 245",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926633642",
            "telephone_number": "949-645-8300",
            "fax_number": "949-645-0200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "520 SUPERIOR AVE STE 245",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926633642",
            "telephone_number": "949-645-8300",
            "fax_number": "949-645-0200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RICHARD G QUIST MD MEDICAL CORPORATION INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-11-25",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A",
        "authorized_official_last_name": "QUIST",
        "authorized_official_first_name": "RICHARD",
        "authorized_official_middle_name": "G",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "714-527-1082"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A65910",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newport Beach, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.