Doctor profile · Federal record
Dr. Richard Quist, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Newport Beach, CA
- NPI 1861436024
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 32 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
361 Hospital RD, Suite 331
Newport Beach, CA 926633522
(949) 650-8700
fax (949) 650-0877
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A65910
- Medicaid
- CA #00A659100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861436024. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,578
Distinct HCPCS
10
Medicare allowed
$330,067
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 626 | 457 | $98 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 370 | 355 | $97 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 352 | 351 | $150 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 229 | 229 | $122 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 210 | 210 | $180 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 189 | 168 | $138 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 168 | 166 | $264 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 97 | 96 | $6 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 54 | 54 | $80 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 50 | 50 | $186 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 102. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$4,862
Transactions
245
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 93 | $1,484.11 | |
| AIMMUNE THERAPEUTICS, INC. | 49 | $959.39 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 18 | $340.52 | |
| Janssen Biotech, Inc. | 17 | $312.90 | |
| PFIZER INC. | 14 | $285.94 | |
| Lilly USA, LLC | 6 | $213.48 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 9 | $194.71 | |
| GENZYME CORPORATION | 8 | $168.15 | |
| Phathom Pharmaceuticals, Inc. | 6 | $143.59 | |
| Celgene Corporation | 13 | $139.59 | |
| Cook Medical LLC | 1 | $139.04 | |
| Boston Scientific Corporation | 1 | $125.00 | |
| Regeneron Healthcare Solutions, Inc. | 5 | $105.51 | |
| Gilead Sciences, Inc. | 3 | $87.28 | |
| Ardelyx, Inc. | 2 | $58.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,490
Patients
1,380
Total drug cost
$623,204
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 1,103 | 324 | $15,324 |
| Famotidine | Generic | 528 | 161 | $7,520 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 350 | 342 | $7,754 |
| Omeprazole | Generic | 281 | 85 | $3,666 |
| Sucralfate | Generic | 209 | 70 | $15,996 |
| Creon (Lipase/Protease/Amylase) | Brand | 204 | 40 | $388,615 |
| Dicyclomine Hcl | Generic | 150 | 61 | $4,051 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 111 | 48 | $4,162 |
| Mesalamine | Generic | 97 | 28 | $60,781 |
| Rabeprazole Sodium | Generic | 95 | 28 | $4,753 |
Hospital affiliations
Frequently asked questions
What is Dr. Richard Quist's medical specialty?
Dr. Richard Quist practices Gastroenterology Physician in Newport Beach, CA.
Where does Dr. Richard Quist practice?
Dr. Richard Quist practices at 361 Hospital RD, Newport Beach, CA 926633522. Office phone: 9496508700.
What is Dr. Richard Quist's NPI?
Dr. Richard Quist's National Provider Identifier (NPI) is 1861436024, issued by NPPES.
Does Dr. Richard Quist accept Medicare assignment?
Yes. Dr. Richard Quist accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Quist commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.