NPPES file of Aug 9, 2026

David Chang Han, DDS

Endodontics · Valencia, CA

David Chang Han, DDS is an endodontics with a practice address in Valencia, California, and NPI 1871638510, issued on Feb 20, 2007. Check the license (California 47902, 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
1871638510
Name
David Chang Han
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License number
47902 CA
Self-reported in NPPES; status is on the state search
Practice location
23838 W. Valencia Blvd #150, Valencia, CA 91355
Phone
(661) 254-1924
Enumerated
Feb 20, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(661) 254-1420
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 David Chang Han 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 47902
    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
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2.5 times the Medicare Part D claims of the average endodontics in 2024

301 Medicare Part D claims for 147 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. 42 claims were for opioids.

  1. David Han301
  2. Specialty average121

Most prescribed

  1. Chlorhexidine Gluconate51 claims
  2. Amoxicillin43 claims
  3. Azithromycin42 claims
  4. Acetaminophen-Codeine40 claims
  5. Ibuprofen39 claims
  6. Amoxicillin-Clavulanate Potass30 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.

David Chang Han among 1,018 endodontics records in California

David Chang Han, DDS is one of 1,018 endodontics records with a practice address in California. 68% 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 27% of them.

  • NPI issued2007 · 27% of these records are older, 42% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in California

There are 1,018 endodontics records in California.

The 8 endodontics records with the nearest ZIP codes

  1. Christopher Chun, D.D.S.Valencia, CA 913551285167049
  2. John Evans, D.D.S.Valencia, CA 913551316164064
  3. Jason Gim, DDSValencia, CA 913551912022542
  4. Jacqueline Jacobson, D.M.D. ,C.A.G.S.Valencia, CA 913551538296017
  5. Julia Jeong, DMDSanta Clarita, CA 913551699561738
  6. Rayan Kafri, DMDValencia, CA 913551124284864
  7. Catherine KimValencia, CA 913551881072882
  8. Jooyoung Song, DDSValencia, CA 913551225535073

Common questions

What is David Chang Han, DDS's NPI number?

David Chang Han, DDS's National Provider Identifier (NPI) is 1871638510, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Chang Han, DDS located?

The NPPES record lists a practice address at 23838 W. Valencia Blvd #150, Valencia, CA, 91355. Phone: (661) 254-1924. Providers update this record themselves, so call before visiting.

How can I verify David Chang Han, DDS's license?

NPPES lists California license number 47902, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does David Chang Han, DDS prescribe under Medicare Part D?

In 2024, David Chang Han, DDS had 301 Medicare Part D claims for 147 beneficiaries; the average among endodontics prescribers was 121. 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.