NPPES file of Aug 9, 2026

Kirsten Liu, M.D.

Emergency Medicine Physician · Torrance, CA

Kirsten Liu, M.D. is an emergency medicine physician with a practice address in Torrance, California, and NPI 1043444615, issued on May 11, 2009. Check the license (California A123757, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043444615
Name
Kirsten Liu
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A123757 CA
51219 CO
TL-3177 CO
Self-reported in NPPES; status is on the state search
Practice location
3330 Lomita Blvd, Torrance, CA 90505
Phone
(310) 784-4997
Enumerated
May 11, 2009
Record last updated
Dec 19, 2022
Medicaid ID
29536766 CO
Medicare enrollment
Enrolled (PECOS I20130711000432); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3330 Lomita Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frank Albano, MS, RDNRegistered Dietitian1235987447
  2. Mark Ancheta, M.D.Anesthesiology Physician1750303020
  3. Elisa Anhalt, MDEmergency Medicine Physician1194773424
  4. Michael Anzivino, MDCritical Care Medicine (Internal Medicine) Physician1164479119
  5. Anthony Arellano-Kruse, M.D.Anesthesiology Physician1144358755
  6. Gregory Baetge, M.D.Anatomic Pathology & Clinical Pathology Physician1962507657

Verify Kirsten Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A123757
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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9% more Medicare Part D claims than the average emergency medicine physician in 2024

247 Medicare Part D claims for 183 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Kirsten Liu247
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt29 claims
  2. Cephalexin26 claims
  3. Meclizine Hcl21 claims
  4. Hydrocodone-Acetaminophen19 claims
  5. Cefdinir11 claims
  6. Prednisone11 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

  1. Torrance Emergency Physicians IncTorrance, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kirsten Liu among 7,751 emergency medicine physician records in California

Kirsten 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2009 · median 2011 among the 4,560 with a school on file
  • Record last updated2022 · 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).

197 emergency medicine physician records list a practice address in Torrance

They are 197 of the 8,901 NPPES records with a practice address in Torrance, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Elisa Anhalt, MDTorrance, CA 905051194773424
  2. Ellen BakerTorrance, CA 905051588612477
  3. Michael Baker, MDTorrance, CA 905051922030238
  4. Darren Bedolla, MDTorrance, CA 905051114956299
  5. Mark Gellman, DOTorrance, CA 905051669493375
  6. Robert Gibbs, MDTorrance, CA 905051043326366
  7. Kane Kuo, M.D.Torrance, CA 905051588600993
  8. Brett Lorber, MDTorrance, CA 905051225148042

Common questions

What is Kirsten Liu, M.D.'s NPI number?

Kirsten Liu, M.D.'s National Provider Identifier (NPI) is 1043444615, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kirsten Liu, M.D. located?

The NPPES record lists a practice address at 3330 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 784-4997. Providers update this record themselves, so call before visiting.

How can I verify Kirsten Liu, M.D.'s license?

NPPES lists California license number A123757, 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 Kirsten Liu, M.D. prescribe under Medicare Part D?

In 2024, Kirsten Liu, M.D. had 247 Medicare Part D claims for 183 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.