NPPES file of Aug 9, 2026

Christopher Liang, D.M.D.

Dentist · Los Alamitos, CA

Christopher Liang, D.M.D. is a dentist with a practice address in Los Alamitos, California, and NPI 1144695289, issued on Dec 1, 2015. Check the license 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
1144695289
Name
Christopher Liang
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
31444 TX
Self-reported in NPPES; status is on the state search
Practice location
10823 Reagan St, Los Alamitos, CA 90720
Phone
(562) 228-6416
Enumerated
Dec 1, 2015
Record last updated
Mar 18, 2022
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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Verify Christopher Liang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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9% more Medicare Part D claims than the average dentist in 2024

94 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Christopher Liang94
  2. Specialty average86

Most prescribed

  1. Amoxicillin36 claims
  2. Ibuprofen26 claims
  3. Chlorhexidine Gluconate22 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.

Christopher Liang among 14,729 dentist records in California

Christopher Liang, D.M.D. is one of 14,729 dentist records with a practice address in California. 56% 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 67% of them.

  • NPI issued2015 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 dentist records list a practice address in Los Alamitos

They are 26 of the 1,035 NPPES records with a practice address in Los Alamitos, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Seza Barsamian, DDSLos Alamitos, CA 907201629214341
  2. Allen Brown, DDSLos Alamitos, CA 907201992830020
  3. Julie Chen Livingood, DDSLos Alamitos, CA 907201083769723
  4. Shanna Chirco, DDSLos Alamitos, CA 907201124297635
  5. Bijan Eshagh ZadehLos Alamitos, CA 907201992907737
  6. George Green, D.D.S.Los Alamitos, CA 907201518099001
  7. Jooyoung Hong, D D SLos Alamitos, CA 907201548436108
  8. Mark Mallett, D.D.SLos Alamitos, CA 907201043427289

Common questions

What is Christopher Liang, D.M.D.'s NPI number?

Christopher Liang, D.M.D.'s National Provider Identifier (NPI) is 1144695289, issued on Dec 1, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Liang, D.M.D. located?

The NPPES record lists a practice address at 10823 Reagan St, Los Alamitos, CA, 90720. Phone: (562) 228-6416. Providers update this record themselves, so call before visiting.

How can I verify Christopher Liang, D.M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher Liang, D.M.D. prescribe under Medicare Part D?

In 2024, Christopher Liang, D.M.D. had 94 Medicare Part D claims for 38 beneficiaries; the average among dentist prescribers was 86. 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.