Doctor profile · Federal record
Dr. Quanjing Liu, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Sunnyvale, CA
- NPI 1760588834
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
401 Old San Francisco RD
Sunnyvale, CA 940866387
(408) 730-4360 - Mailing address
-
2350 W El Camino Real, 2Nd Floor
Mountain View, CA 940406201
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 20, 2011
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #A106228 · New York #232591
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1760588834. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
363
Distinct HCPCS
6
Medicare allowed
$47,332
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 149 | 92 | $155 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 126 | 98 | $110 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 32 | 32 | $160 | |
G0008 |
Administration of influenza virus vaccine | 22 | 22 | $38 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 21 | 21 | $76 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 13 | 12 | $218 |
In context: peer comparison
Among 14 peers in Sunnyvale Internal Medicine Physician, average services per provider: 58. This provider delivers 6.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,119
Patients
308
Total drug cost
$16,699
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 210 | 61 | $2,646 |
| Amlodipine Besylate | Generic | 169 | 44 | $2,509 |
| Losartan Potassium | Generic | 97 | 29 | $1,688 |
| Alendronate Sodium | Generic | 91 | 30 | $1,283 |
| Levothyroxine Sodium | Generic | 87 | 21 | $1,718 |
| Metformin Hcl | Generic | 83 | 22 | $1,011 |
| Pravastatin Sodium | Generic | 56 | 16 | $1,244 |
| Omeprazole | Generic | 54 | 21 | $324 |
| Gabapentin | Generic | 51 | 14 | $1,257 |
| Simvastatin | Generic | 45 | 15 | $620 |
Frequently asked questions
What is Dr. Quanjing Liu's medical specialty?
Dr. Quanjing Liu practices Internal Medicine Physician in Sunnyvale, CA.
Where does Dr. Quanjing Liu practice?
Dr. Quanjing Liu practices at 401 Old San Francisco RD, Sunnyvale, CA 940866387. Office phone: 4087304360.
What is Dr. Quanjing Liu's NPI?
Dr. Quanjing Liu's National Provider Identifier (NPI) is 1760588834, issued by NPPES.
Does Dr. Quanjing Liu accept Medicare assignment?
Yes. Dr. Quanjing Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Quanjing Liu 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.