Doctor profile · Federal record
Dr. Andy Liu, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1285082446
- Accepts Medicare
- MIPS 28.6 / 100 · 2023
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2351 Clay St, Suite 380
San Francisco, CA 941151931
(415) 600-6000
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- October 15, 2019
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A153687
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285082446. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
545
Distinct HCPCS
9
Medicare allowed
$62,276
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 117 | 116 | $220 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 105 | 105 | $28 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 103 | 103 | $153 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 94 | 87 | $36 | |
43251 |
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | 43 | 41 | $140 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 35 | $117 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 20 | 18 | $85 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $104 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 11 | 11 | $74 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 5.9× the peer median.Open Payments
Industry payments received
All-time total
$395
Transactions
6
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 3 | $259.74 | |
| Janssen Biotech, Inc. | 3 | $135.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
443
Patients
320
Total drug cost
$43,113
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 138 | 133 | $11,218 |
| Omeprazole | Generic | 100 | 63 | $1,463 |
| Suprep (Sodium, Potassium,mag Sulfates) | Brand | 34 | 34 | $3,893 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 31 | 31 | $4,639 |
| Pantoprazole Sodium | Generic | 29 | 24 | $437 |
| Sucralfate | Generic | 28 | 22 | $679 |
| Lactulose | Generic | 18 | 0 | $325 |
| Linzess (Linaclotide) | Brand | 18 | 0 | $16,453 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 13 | 13 | $209 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 12 | 0 | $3,566 |
Hospital affiliations
Frequently asked questions
What is Dr. Andy Liu's medical specialty?
Dr. Andy Liu practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Andy Liu practice?
Dr. Andy Liu practices at 2351 Clay St, San Francisco, CA 941151931. Office phone: 4156006000.
What is Dr. Andy Liu's NPI?
Dr. Andy Liu's National Provider Identifier (NPI) is 1285082446, issued by NPPES.
Does Dr. Andy Liu accept Medicare assignment?
Yes. Dr. Andy Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andy Liu commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.