Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DENNIS LIU M.D.
NPI 1790178432
Emergency Medicine in San Jose, CA

Active since March 05, 2015PECOS Enrolled
80.58/100
CMS Quality Rating
250 HOSPITAL PKWY, SAN JOSE, CA 95119(408) 972-3000 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 17, 2026, May 4, 2023, May 12, 2021 and 1 more (4 updates tracked since 2017).

About Dr. Dennis Liu M.d. NPPES

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

DR. DENNIS LIU M.D. (NPI 1790178432) is an individual emergency medicine provider in San Jose, California, licensed in California (A157498) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Northwestern University Feinberg Medical School (2017).

NPPES Registry Identity

NPI1790178432
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DENNIS LIUCredential: M.D.
Location Address250 HOSPITAL PKWYSan Jose, CA 95119-1103
Mailing Address250 Hospital Pkwy, Emergency DepartmentSan Jose, CA 95119-1103
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2017
Enumeration DateMarch 5, 2015
Last NPPES UpdateAugust 17, 20264 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
NPI 1790178432 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A157498
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
250 HOSPITAL PKWY, San Jose, CA 95119

Secondary Practice Locations 2

Location 1751 S Bascom AveSan Jose, CA 95128-2699 · Phone (858) 722-6479
Location 2200 W Arbor Dr, MC8676San Diego, CA 92103-9000 · Phone (619) 543-6463 · Fax (619) 543-3115

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

Dr. Dennis 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 ID941617286
PECOS Enrollment IDI20210401001991
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

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95119 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.43
Promoting Interoperability100
Improvement Activities40
Cost46.5

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.

Physical Therapist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Internal Medicine
250 HOSPITAL PKWY, 260 INTERNATIONAL CIRCLE
SAN JOSE, CA 95119
Physical Therapist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Psychiatry & Neurology (Psychiatry)
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Family Medicine
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Pharmacist
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Anesthesiology (Pain Medicine)
250 HOSPITAL PKWY
SAN JOSE, CA 95119
Pharmacist (Psychiatric)
250 HOSPITAL PKWY
SAN JOSE, CA 95119

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 Dennis Liu's NPI number?

The NPI number for Dennis Liu is 1790178432. It was assigned to this individual provider in the NPPES registry on March 5, 2015.

Where is Dennis Liu located?

Dennis Liu practices at 250 Hospital Pkwy, San Jose, CA 95119. The listed phone number is (408) 972-3000.

What is Dennis Liu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Dennis Liu enrolled in Medicare?

Yes. Dennis 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 Dennis Liu was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.