Dennis Liu, M.D.
Emergency Medicine Physician · San Jose, CA
Dennis Liu, M.D. is an emergency medicine physician with a practice address in San Jose, California, and NPI 1790178432, issued on Mar 5, 2015. Check the license (California A157498, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis Liu
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A157498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Hospital Pkwy, San Jose, CA 95119
- Phone
- (408) 972-3000
- Enumerated
- Mar 5, 2015
- Record last updated
- May 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20210401001991); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2017
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 250 Hospital Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristine AmiiPhysical Therapist1356696975
- Franklin Amog, RNCritical Care Medicine Registered Nurse1376408914
- Rachel AranzasoSocial Worker1740659366
- Robert Atienza, MDAnatomic Pathology & Clinical Pathology Physician1609134725
- Elizabeth BaileyDietary Manager1346388758
- Heather BlakeCertified Registered Nurse Anesthetist1750771168
Verify Dennis Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157498Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
484 Medicare Part D claims for 241 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 38 claims were for opioids.
Most prescribed
- Lidocaine30 claims
- Ondansetron Odt25 claims
- Doxycycline Monohydrate21 claims
- Cephalexin20 claims
- Prednisone19 claims
- Metoclopramide Hcl18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Permanente Medical Group IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Liu among 7,751 emergency medicine physician records in California
Dennis Liu, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2017 · median 2011 among the 4,560 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in San Jose → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kevin Ernsting, MDSan Jose, CA 951191518043025
- Lisa Hung, DOSan Jose, CA 951191942386453
- Chandu Karadi, MDSan Jose, CA 951191851477368
- Ryan Kime, MDSan Jose, CA 951191184700692
- Charles Kutner, MDSan Jose, CA 951191083790596
- Walter Kwan, M.D.San Jose, CA 951191174635155
- Joseph Lago, MDSan Jose, CA 951191144306671
- Angela Loh, MDSan Jose, CA 951191275611774
Common questions
What is Dennis Liu, M.D.'s NPI number?
Dennis Liu, M.D.'s National Provider Identifier (NPI) is 1790178432, issued on Mar 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Liu, M.D. located?
The NPPES record lists a practice address at 250 Hospital Pkwy, San Jose, CA, 95119. Phone: (408) 972-3000. Providers update this record themselves, so call before visiting.
How can I verify Dennis Liu, M.D.'s license?
NPPES lists California license number A157498, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dennis Liu, M.D. prescribe under Medicare Part D?
In 2024, Dennis Liu, M.D. had 484 Medicare Part D claims for 241 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Dennis Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.