DR. DENNIS LIU M.D.
NPI 1790178432
Emergency Medicine in San Jose, CA
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 and is a graduate of Northwestern University Feinberg Medical School (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
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.
Medicare Billing Reassignments
3Medicare enrollment records show Dennis Liu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95111
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
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.
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.
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.
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.
Which organizations bill Medicare for Dennis Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Liu reassigns Medicare benefits to 3 organizations: County Of Santa Clara (San Jose, CA), Emergency Physicians Associates San Jose PC (San Jose, CA) and Permanente Medical Group Inc (Santa Clara, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dennis Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
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 2 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.
# Dr. Dennis Liu, M.D. · NPI 1790178432
Emergency Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since March 5, 2015.
## Identity
- **NPI:** 1790178432 (Entity type: Individual)
- **Enumerated:** March 5, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A157498 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 HOSPITAL PKWY, San Jose, CA 95119-1103
- **Phone:** (408) 972-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1376538991, San Jose, CA); Emergency Physicians Associates San Jose PC (NPI 1306311576, San Jose, CA); Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2017
## Record status
- **NPPES last updated:** August 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1790178432) · Data from the CMS NPPES public registry.