Active NPI
Richard G Quist, M.D.
- Gastroenterology Physician
- Newport Beach, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gastroenterology Physician
- License
- A65910
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A659100 | Medicaid | CA |
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
Enrollment records 1
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
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 100
- Quality
- 90
- Improvement activities
- 40
- Cost
- 100
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 767 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 524 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Richard G Quist MD Medical Corporation Inc | Gastroenterology | Current | Accepting new patients |
| University of California San Francisco | Past | Accepting new patients | |
| Marin Hospitalist Medical Group, Inc. | Past | 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
- https://fhir4.healow.com/fhir/r4/EEEDBA/Endpoint/EEEDBA
- 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.
-
- Gastroenterology Physician
- Newport Beach, CA
- NPI 1447405808
-
- Internal Medicine Physician
- Greenbrae, CA
- NPI 1023041753
-
- End-Stage Renal Disease (ESRD) Treatment Clinic/Center
- San Francisco, CA
- NPI 1992818256
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Newport Beach, CA
- NPI 1518951300
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.