Doctor profile · Federal record
Dr. Susie Liu, MD
Gastroenterology Physician (CMS: Gastroenterology) · Palo Alto, CA
- NPI 1598775223
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 38 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
900 Welch Road, Suite 202
Palo Alto, CA 943041803
(650) 324-8878
fax (650) 324-8524
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 21, 2015
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G067248
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598775223. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
731
Distinct HCPCS
10
Medicare allowed
$113,376
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 115 | 115 | $188 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 113 | 90 | $145 | |
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 | 98 | 95 | $6 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 75 | 67 | $203 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 71 | 70 | $111 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 55 | 55 | $247 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 51 | 51 | $110 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 44 | 44 | $196 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 41 | 40 | $227 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 38 | 32 | $104 |
In context: peer comparison
Among 4 peers in Palo Alto Gastroenterology Physician, average services per provider: 48. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$12
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Micro-Tech Endoscopy USA, INC. | 1 | $11.82 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
450
Patients
142
Total drug cost
$51,749
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 173 | 58 | $3,847 |
| Famotidine | Generic | 69 | 28 | $1,247 |
| Omeprazole | Generic | 63 | 22 | $1,180 |
| Esomeprazole Magnesium | Generic | 27 | 0 | $1,287 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 24 | 0 | $11,342 |
| Linzess (Linaclotide) | Brand | 23 | 0 | $13,975 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 23 | 23 | $1,832 |
| Lubiprostone | Generic | 19 | 0 | $7,211 |
| Mesalamine | Generic | 18 | 0 | $8,818 |
| Peg3350-Sod Sul-Nacl-Kcl-Asb-C (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 11 | 11 | $1,011 |
Hospital affiliations
Frequently asked questions
What is Dr. Susie Liu's medical specialty?
Dr. Susie Liu practices Gastroenterology Physician in Palo Alto, CA.
Where does Dr. Susie Liu practice?
Dr. Susie Liu practices at 900 Welch Road, Palo Alto, CA 943041803. Office phone: 6503248878.
What is Dr. Susie Liu's NPI?
Dr. Susie Liu's National Provider Identifier (NPI) is 1598775223, issued by NPPES.
Does Dr. Susie Liu accept Medicare assignment?
Yes. Dr. Susie Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susie Liu commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); 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). Source: CMS Medicare Physician & Other Practitioners file.