Individual provider Active NPI

Richard G Quist, M.D.

  • Gastroenterology Physician
  • Newport Beach, CA
National Provider Identifier
1861436024
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A65910 Issued in CA
Practice address
520 Superior Ave Ste 245
Newport Beach, CA 92663-3642
Phone
(949) 645-8300
Fax
(949) 645-4715
NPI assigned
Jun 16, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 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

Other identifiers 1

IdentifierTypeStateIssuer
00A659100MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100909001024 CA Practitioner - Gastroenterology 1759406051 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
George Washington University School of Medicine, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Richard G Quist, MD Medical Corporation Inc.Group PAC ID 2860680188, 2 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
96 of 100Reported as individual
Quality
90
Improvement activities
40
Cost
100

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy767
Upper gastrointestinal (GI) endoscopy for acid reflux524

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Richard G Quist MD Medical Corporation Inc Gastroenterology CurrentSince Jan 1, 1987 Accepting new patients
University of California San Francisco Past Accepting new patients
Marin Hospitalist Medical Group, Inc. PastSince May 20, 2005 Accepting new patients

Locations

361 Hospital Rd
Ste 331
Newport Beach, CA 92663
Phone (949) 650-8700

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

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

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

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1861436024",
    "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": "949-645-4715"
        },
        {
            "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": "949-645-4715"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "QUIST",
        "first_name": "RICHARD",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-16",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A65910",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A659100",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Newport Beach, CA

Sources for this page

Verify at the official NPI Registry.