YI YI LIU MD
NPI 1255416236
Family Medicine in San Mateo, CA

Active since October 26, 2006PECOS EnrolledAccepts Medicare Assignment
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-3702 Get Directions Write a Review

NPPES record last updated: December 27, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Yi Yi Liu Md NPPES

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

YI YI LIU MD (NPI 1255416236) is an individual family medicine provider in San Mateo, California, licensed in California (A65470) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Northeastern Ohio University College Of Medicine (1995).

NPPES Registry Identity

NPI1255416236
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameYI YI LIUCredential: MD
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address739 San Lucas AveMountain View, CA 94043-1914
Sole ProprietorNo
Medical School CMSNortheastern Ohio University College Of MedicineGraduated 1995
Enumeration DateOctober 26, 2006
Last NPPES UpdateDecember 27, 2011
NPI 1255416236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A65470
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
222 W 39TH AVE, San Mateo, CA 94403

Other Identifiers 1

Medicare UPING92073CA

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

Yi Yi Liu Md 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 ID1850561374
PECOS Enrollment IDI20110818000917
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94403 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers24 claims24 services$197.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Psychologist (Clinical)
222 W 39TH AVE
SAN MATEO, CA 94403
General Acute Care Hospital
222 W 39TH AVE
SAN MATEO, CA 94403
Dermatology
222 W 39TH AVE
SAN MATEO, CA 94403
Clinic/Center
222 W 39TH AVE
SAN MATEO, CA 94403
Obstetrics & Gynecology
222 W 39TH AVE
SAN MATEO, CA 94403
Counselor
222 W 39TH AVE
SAN MATEO, CA 94403
Physical Medicine & Rehabilitation
222 W 39TH AVE
SAN MATEO, CA 94403
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403

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 Yi Yi Liu's NPI number?

The NPI number for Yi Yi Liu is 1255416236. It was assigned to this individual provider in the NPPES registry on October 26, 2006.

Where is Yi Yi Liu located?

Yi Yi Liu practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-3702.

What is Yi Yi Liu's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Yi Yi Liu enrolled in Medicare?

Yes. Yi Yi 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 Yi Yi Liu was last updated on December 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.