NPPES file of Aug 9, 2026

Changrui Liu

General Practice Dentistry · Agoura Hills, CA

Changrui Liu is a general practice dentistry with a practice address in Agoura Hills, California, and NPI 1144341454, issued on Apr 3, 2007. Check the license (California 41944, as entered in NPPES) with the California board that licenses this profession; 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
1144341454
Name
Changrui Liu
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
41944 CA
Self-reported in NPPES; status is on the state search
Practice location
5601 Kanan RD, Agoura Hills, CA 91301
Phone
(818) 991-8881
Enumerated
Apr 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5601 Kanan RD

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

  1. Zhi MengGeneral Practice Dentistry1154442457

Verify Changrui Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 41944
    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
Find 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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43% fewer Medicare Part D claims than the average general practice dentistry in 2024

47 Medicare Part D claims for 21 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Changrui Liu47
  2. Specialty average83

Most prescribed

  1. Amoxicillin28 claims
  2. Ibuprofen13 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.

Changrui Liu among 17,852 general practice dentistry records in California

Changrui Liu is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 general practice dentistry records list a practice address in Agoura Hills

They are 17 of the 541 NPPES records with a practice address in Agoura Hills, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. George Apelian, DDSAgoura Hills, CA 913011629170774
  2. Kathleen Bennett, D.D.S.Agoura Hills, CA 913011033260278
  3. Barbara Butler, DDSAgoura Hills, CA 913011710154455
  4. Aaron Choroomi, DDSAgoura Hills, CA 913011275733172
  5. Alan Fink, DDSAgoura, CA 913011386857365
  6. Kenneth Leopold, DDSAgoura Hills, CA 913011992839658
  7. Ali Mahdy, D.D.S.Agoura Hills, CA 913011396195566
  8. Zhi MengAgoura Hills, CA 913011154442457

Common questions

What is Changrui Liu's NPI number?

Changrui Liu's National Provider Identifier (NPI) is 1144341454, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Changrui Liu located?

The NPPES record lists a practice address at 5601 Kanan RD, Agoura Hills, CA, 91301. Phone: (818) 991-8881. Providers update this record themselves, so call before visiting.

How can I verify Changrui Liu's license?

NPPES lists California license number 41944, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Changrui Liu prescribe under Medicare Part D?

In 2024, Changrui Liu had 47 Medicare Part D claims for 21 beneficiaries; the average among general practice dentistry prescribers was 83. 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.