Doctor profile · Federal record
Dr. Alvin Au, MD FACG
Gastroenterology Physician (CMS: Gastroenterology) · Hepatology Physician · Hanford, CA
- NPI 1477639193
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1360 Bailey Dr
Hanford, CA 932305921
(559) 584-6499
fax (559) 584-8124
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 10, 2015
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A45911
- Medicaid
- CA #00A459110
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477639193. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,356
Distinct HCPCS
10
Medicare allowed
$511,511
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 826 | 629 | $129 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 716 | 511 | $181 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 263 | 261 | $215 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 245 | 242 | $119 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 241 | 241 | $219 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 214 | 214 | $167 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 172 | 170 | $145 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 142 | 138 | $93 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 134 | 130 | $176 | |
76981 |
Ultrasound scan of organ tissue for measuring elasticity | 107 | 101 | $111 |
In context: peer comparison
Among 2 peers in Hanford Gastroenterology Physician, average services per provider: 126. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$2,146
Transactions
134
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 22 | $332.73 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 18 | $288.48 | |
| Celgene Corporation | 20 | $265.29 | |
| Janssen Biotech, INC. | 15 | $223.77 | |
| Takeda Pharmaceuticals U.S.A., INC. | 12 | $196.48 | |
| Ironwood Pharmaceuticals, INC | 12 | $192.24 | |
| Pfizer INC. | 10 | $168.30 | |
| Madrigal Pharmaceuticals | 6 | $94.37 | |
| Ardelyx, INC. | 6 | $94.02 | |
| Genzyme Corporation | 3 | $71.63 | |
| Aimmune Therapeutics, INC. | 3 | $53.91 | |
| Phathom Pharmaceuticals, INC. | 3 | $49.95 | |
| Boston Scientific Corporation | 1 | $47.00 | |
| Lilly USA, LLC | 2 | $37.27 | |
| Celltrion USA INC. | 1 | $16.04 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,892
Patients
894
Total drug cost
$881,991
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 727 | 243 | $11,743 |
| Pantoprazole Sodium | Generic | 469 | 152 | $8,185 |
| Famotidine | Generic | 465 | 129 | $5,651 |
| Linzess (Linaclotide) | Brand | 344 | 114 | $365,805 |
| Dicyclomine Hcl | Generic | 340 | 114 | $9,069 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 103 | 34 | $55,499 |
| Creon (Lipase/Protease/Amylase) | Brand | 65 | 12 | $142,688 |
| Xifaxan (Rifaximin) | Brand | 62 | 13 | $202,331 |
| Metoclopramide Hcl | Generic | 57 | 15 | $846 |
| Mesalamine | Generic | 54 | 18 | $47,642 |
Hospital affiliations
Frequently asked questions
What is Dr. Alvin Au's medical specialty?
Dr. Alvin Au practices Gastroenterology Physician in Hanford, CA.
Where does Dr. Alvin Au practice?
Dr. Alvin Au practices at 1360 Bailey Dr, Hanford, CA 932305921. Office phone: 5595846499.
What is Dr. Alvin Au's NPI?
Dr. Alvin Au's National Provider Identifier (NPI) is 1477639193, issued by NPPES.
Does Dr. Alvin Au accept Medicare assignment?
Yes. Dr. Alvin Au accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alvin Au commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.