Michael Y. Liu, MD
Emergency Medicine Physician · Berkeley, CA
Michael Y. Liu, MD is an emergency medicine physician with a practice address in Berkeley, California, and NPI 1467571091, issued on Mar 28, 2007. Check the license (California A80666, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Y. Liu
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A80666 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2450 Ashby Ave, Berkeley, CA 94705
- Phone
- (510) 204-4444
- Enumerated
- Mar 28, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00A806660 CA
- Medicare enrollment
- Enrolled (PECOS I20040513001025); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2450 Ashby Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Neel Arant, CNMAdvanced Practice Midwife1528088283
- Marina Atala, M.D.Hospitalist Physician1992722359
- Richard Bails, M.D.Cardiovascular Disease Physician1336163450
Verify Michael Y. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80666Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average emergency medicine physician in 2024
276 Medicare Part D claims for 199 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Cephalexin52 claims
- Hydrocodone-Acetaminophen40 claims
- Ondansetron Odt27 claims
- Ibuprofen17 claims
- Meclizine Hcl15 claims
- Lansoprazole11 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.
Bills Medicare through one group practice
- Intercommunity Emergency Medical GroupWhittier, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Y. Liu among 7,751 emergency medicine physician records in California
Michael Y. Liu, MD 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2011 among the 4,560 with a school on file
- Record last updated2007 · 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 Berkeley → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Karen Carothers, MDBerkeley, CA 947051619935830
- Jeff Chen, DRBerkeley, CA 947051912973074
- Brian Hinrichsen, PABerkeley, CA 947051376534792
- Michael Jugo, MDBerkeley, CA 947051609972066
- Sarah Kelmenson-Chau, MDBerkeley, CA 947051689796674
- Michael Kessler, MDBerkeley, CA 947051316995830
- Marjorie Macqueen, PABerkeley, CA 947051215995576
- Elton McAmis, MDBerkeley, CA 947051366400640
Common questions
What is Michael Y. Liu, MD's NPI number?
Michael Y. Liu, MD's National Provider Identifier (NPI) is 1467571091, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Y. Liu, MD located?
The NPPES record lists a practice address at 2450 Ashby Ave, Berkeley, CA, 94705. Phone: (510) 204-4444. Providers update this record themselves, so call before visiting.
How can I verify Michael Y. Liu, MD's license?
NPPES lists California license number A80666, 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 Michael Y. Liu, MD prescribe under Medicare Part D?
In 2024, Michael Y. Liu, MD had 276 Medicare Part D claims for 199 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.