SONIA Y LIU MD
NPI 1437348695
Family Medicine in San Carlos, CA

Q: What is Sonia Liu's NPI number?

The NPI number for Sonia Liu is 1437348695. It was assigned to this individual provider in the NPPES registry on October 23, 2007.

Q: What is Sonia Liu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sonia Liu was last updated on May 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since October 23, 2007PECOS EnrolledAccepts Medicare Assignment

301 INDUSTRIAL RD, SAN CARLOS, CA 94070(650) 596-4000 Get Directions Write a Review

NPPES record last updated: May 27, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 27, 2020, Mar 17, 2018, Sep 21, 2017 (3 updates tracked since 2017).

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About Sonia Y Liu Md NPPES

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

SONIA Y LIU MD (NPI 1437348695) is an individual family medicine provider in San Carlos, California, licensed in California (A101704) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Mountain View, and is a graduate of University Of Michigan Medical School (2006).

NPPES Registry Identity

NPI1437348695

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameSONIA Y LIUCredential: MD

Location Address301 INDUSTRIAL RDSan Carlos, CA 94070-2603

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (650) 596-4000

Phone(650) 596-4000

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2006

Enumeration DateOctober 23, 2007

Last NPPES UpdateMay 27, 20203 updates tracked since enumeration

NPPES CertifiedMay 27, 2020

✔ NPI 1437348695 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 · A101704

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.

301 INDUSTRIAL RD, San Carlos, CA 94070

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Secondary Practice Location 1

Location 1701 E El Camino RealMountain View, CA 94040-2833 · Phone (650) 404-8370 · Fax (650) 404-8470

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

Sonia Y 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 ID2961540059

PECOS Enrollment IDI20091110000580

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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

61 services37 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.

47 services38 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

43 services43 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

31 services20 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

13 services13 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94070 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.

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.

REBECCA ASHE MD

Internal Medicine