Doctor profile · Federal record
Dr. Stanley Hui, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · San Mateo, CA
- NPI 1023196888
- Accepts Medicare
- MIPS 83.9 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
222 W 39Th Ave
San Mateo, CA 944034364
(650) 573-2222 - Mailing address
-
115 del Centro
Millbrae, CA 940302162
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- October 4, 2017
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G66039
- Medicaid
- CA #00G660390
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023196888. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
52
Distinct HCPCS
3
Medicare allowed
$5,257
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 28 | 27 | $6 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 12 | 12 | $139 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 12 | 11 | $285 |
In context: peer comparison
Among 1 peers in San Mateo Gastroenterology Physician, average services per provider: 17. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$663
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 2 | $280.22 | |
| Terumo Medical Corporation | 1 | $178.68 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $117.42 | |
| Janssen Scientific Affairs, LLC | 1 | $86.90 |
By nature of payment
Frequently asked questions
What is Dr. Stanley Hui's medical specialty?
Dr. Stanley Hui practices Gastroenterology Physician in San Mateo, CA.
Where does Dr. Stanley Hui practice?
Dr. Stanley Hui practices at 222 W 39Th Ave, San Mateo, CA 944034364. Office phone: 6505732222.
What is Dr. Stanley Hui's NPI?
Dr. Stanley Hui's National Provider Identifier (NPI) is 1023196888, issued by NPPES.
Does Dr. Stanley Hui accept Medicare assignment?
Yes. Dr. Stanley Hui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stanley Hui commonly perform?
Top Medicare-reported procedures in 2023: 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 (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.