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ANDREW TA-CHUNG LIU M.D.
NPI 1700835162
Obstetrics & Gynecology in Redwood City, CA

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
2900 WHIPPLE AVE, #135, REDWOOD CITY, CA 94062(650) 366-5594(650) 366-6352 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 27, 2025, Mar 4, 2025, Jun 21, 2016 (3 updates tracked since 2016).

About Andrew Ta-chung Liu M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANDREW TA-CHUNG LIU M.D. (NPI 1700835162) is an individual obstetrics & gynecology provider in Redwood City, California, licensed in California (G63332) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1983).

NPPES Registry Identity

NPI1700835162
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameANDREW TA-CHUNG LIUCredential: M.D.
Location Address2900 WHIPPLE AVE, #135Redwood City, CA 94062-2843
Mailing Address2900 Whipple Ave Ste 135Redwood City, CA 94062-2844 · (650) 366-5594 · Fax (650) 366-6352
Phone(650) 366-5594
Fax(650) 366-6352
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1983
Enumeration DateMay 10, 2006
Last NPPES UpdateMarch 27, 20253 updates tracked since enumeration
NPPES CertifiedMarch 27, 2025
✔ NPI 1700835162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G63332
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedSpecialistTaxonomy 174400000X · License G633320 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 125591 (CA)
2900 WHIPPLE AVE, Redwood City, CA 94062
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Andrew Ta-chung Liu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8820009814
PECOS Enrollment IDI20060504001006
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
47 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
44 services34 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DUC MARCEL NGUYEN MD
Specialist
2900 WHIPPLE AVE, STE 115
REDWOOD CITY, CA 94062
San Mateo County (650) 365-5996
DR. BARRETT BRYAN MD
Internal Medicine
2900 WHIPPLE AVE, SUITE 130
REDWOOD CITY, CA 94062
San Mateo County (650) 298-8774
DR. JAMES JEROME ZIMMERMAN M.D.
Surgery (Vascular Surgery)
2900 WHIPPLE AVE, SUITE 225
REDWOOD CITY, CA 94062
San Mateo County (650) 366-0225
MS. VIRGINIA MORROW MSN, ANP
Nurse Practitioner
2900 WHIPPLE AVE, SUITE 245
REDWOOD CITY, CA 94062
San Mateo County (650) 365-3700
DR. BETTY HO M.D.
Internal Medicine (Gastroenterology)
2900 WHIPPLE AVE, STE 245
REDWOOD CITY, CA 94062
San Mateo County (650) 365-2911
MS. JENNIFER ROSE SUTTON PA-C
Physician Assistant (Medical)
2900 WHIPPLE AVE, SUITE 210
REDWOOD CITY, CA 94062
San Mateo County (650) 366-4542
SEQUOIA MEDICAL ASSOCIATES
Internal Medicine
2900 WHIPPLE AVE, SUITE 130
REDWOOD CITY, CA 94062
San Mateo County (650) 298-8774
MRS. SIGAL ALONA TENE MD
Internal Medicine (Critical Care Medicine)
2900 WHIPPLE AVE, STE 115
REDWOOD CITY, CA 94062
San Mateo County (650) 368-8981

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Liu's NPI number?

The NPI number for Andrew Liu is 1700835162. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Andrew Liu located?

Andrew Liu practices at 2900 Whipple Ave #135, Redwood City, CA 94062. The listed phone number is (650) 366-5594.

What is Andrew Liu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Andrew Liu enrolled in Medicare?

Yes. Andrew Liu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Andrew Liu was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.