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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

RICHARD G QUIST MD MEDICAL CORPORATION INC
NPI 1447405808
Internal Medicine - Gastroenterology in Newport Beach, CA

Active since November 25, 2008CLIA 05D2141819 · Certificate of Compliance
520 SUPERIOR AVE STE 245, NEWPORT BEACH, CA 92663(949) 645-8300(949) 645-0200 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Richard G Quist Md Medical Corporation Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RICHARD G QUIST MD MEDICAL CORPORATION INC (NPI 1447405808) is a healthcare organization registered as a gastroenterology in Newport Beach, California and active in the NPI registry since November 2008. The organization holds a CLIA Certificate of Compliance certificate valid through October 24, 2026 and lists Richard G Quist, Physician, as its authorized official.

NPPES Registry Identity

NPI1447405808
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameRICHARD G QUIST MD MEDICAL CORPORATION INC
Location Address520 SUPERIOR AVE STE 245Newport Beach, CA 92663-3642
Mailing Address520 Superior Ave Ste 245Newport Beach, CA 92663-3642 · (949) 645-8300 · Fax (949) 645-0200
Phone(949) 645-8300
Fax(949) 645-0200
Organization SubpartNo
Authorized OfficialRichard G QuistPhysician · (714) 527-1082
Enumeration DateNovember 25, 2008
Last NPPES UpdateJuly 23, 2026
NPPES CertifiedJuly 23, 2026
✔ NPI 1447405808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A65910
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
520 SUPERIOR AVE STE 245, Newport Beach, CA 92663
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 05D2141819

Richard G. Quist MD, Medical Corp, Inc. · Newport Beach, CA
Active · expires Oct 24, 2026
CLIA Number05D2141819
Laboratory TypePhysician Office
Certificate Effective DateOctober 25, 2024
Certificate Expiration DateOctober 24, 2026
Laboratory DirectorFrancis S. Heinemann
Laboratory Phone(949) 645-8300
Laboratory LocationRichard G. Quist MD, Medical Corp, Inc.520 Superior Ave, Ste 245, Newport Beach, CA 92663
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HALI HOANG PHAM FNP
Registered Nurse (General Practice)
520 SUPERIOR AVE STE 245
NEWPORT BEACH, CA 92663
Orange County (949) 645-8300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Richard G Quist MD Medical Corporation Inc's NPI number?

The NPI number for Richard G Quist MD Medical Corporation Inc is 1447405808. It was assigned to this organization in the NPPES registry on November 25, 2008.

Where is Richard G Quist MD Medical Corporation Inc located?

Richard G Quist MD Medical Corporation Inc is located at 520 Superior Ave Ste 245, Newport Beach, CA 92663. The listed phone number is (949) 645-8300.

What is Richard G Quist MD Medical Corporation Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Does Richard G Quist MD Medical Corporation Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D2141819) is associated with this NPI, valid through October 24, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Richard G Quist MD Medical Corporation Inc was last updated on July 23, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.