Doctor profile · Federal record
Dr. Andrew Liu, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Specialist · Pulmonary Disease Physician · Redwood City, CA
- NPI 1700835162
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2900 Whipple Ave, #135
Redwood City, CA 940622843
(650) 366-5594
fax (650) 366-6352 - Mailing address
-
2900 Whipple Ave Ste 135
Redwood City, CA 940622844
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 27, 2025
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (3)
- California #G63332 · California #G633320 · California #125591
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700835162. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
154
Distinct HCPCS
3
Medicare allowed
$10,004
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 66 | 66 | $47 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 47 | 47 | $55 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 41 | 33 | $106 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 44. This provider delivers 3.5× the peer median.Open Payments
Industry payments received
All-time total
$169
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $132.56 | |
| Becton, Dickinson and Company | 1 | $20.20 | |
| Organon Llc | 1 | $16.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$71
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eszopiclone | Generic | 12 | 0 | $71 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrew Liu's medical specialty?
Dr. Andrew Liu practices Obstetrics & Gynecology Physician in Redwood City, CA.
Where does Dr. Andrew Liu practice?
Dr. Andrew Liu practices at 2900 Whipple Ave, Redwood City, CA 940622843. Office phone: 6503665594.
What is Dr. Andrew Liu's NPI?
Dr. Andrew Liu's National Provider Identifier (NPI) is 1700835162, issued by NPPES.
Does Dr. Andrew Liu accept Medicare assignment?
Yes. Dr. Andrew Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Liu commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.