NPPES file of Aug 9, 2026

Hoon Sagong, D.D.S.

Endodontics · Long Beach, CA

Hoon Sagong, D.D.S. is an endodontics with a practice address in Long Beach, California, and NPI 1497165583, issued on Apr 29, 2014. Check the license (California 64524, 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
1497165583
Name
Hoon Sagong
Credential
D.D.S.
Primary taxonomy
Endodontics 1223E0200X
License number
64524 CA
Self-reported in NPPES; status is on the state search
Practice location
4241 Long Beach Blvd, Long Beach, CA 90807
Phone
(562) 612-4320
Enumerated
Apr 29, 2014
Record last updated
Jun 24, 2024
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 4241 Long Beach Blvd

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

  1. Timothy Bell, MDDiagnostic Radiology Physician1073596573
  2. Charlton Byun, M.D.Diagnostic Radiology Physician1225340961
  3. James Hyun, MDDiagnostic Radiology Physician1518941624
  4. Dong Kim, MDDiagnostic Radiology Physician1457633919
  5. Darissa Kon, MDDiagnostic Radiology Physician1154304640
  6. Cynthia Lloyd, MDDiagnostic Radiology Physician1891778379

Verify Hoon Sagong 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 64524
    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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2.7 times the Medicare Part D claims of the average endodontics in 2024

328 Medicare Part D claims for 196 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Hoon Sagong328
  2. Specialty average121

Most prescribed

  1. Amoxicillin145 claims
  2. Ibuprofen144 claims
  3. Amoxicillin-Clavulanate Potass16 claims
  4. Clindamycin Hcl13 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.

Industry payments in 2024: $26.22

1 payment: education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hoon Sagong$26
  2. Specialty average$49,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Hoon Sagong among 1,018 endodontics records in California

Hoon Sagong, D.D.S. 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 2014, is newer than 82% of them.

  • NPI issued2014 · 82% of these records are older, 15% 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 updated2024 · 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. Victor Fan, DMDLong Beach, CA 908071053454231
  2. Hamid AbediLong Beach, CA 908041891865861
  3. John Aivaz, DDSLong Beach, CA 908041942332556
  4. Ahmed Sadek, D.D.S.Long Beach, CA 908031629062096
  5. Arthur Gage, D.D.S.Long Beach, CA 908151467445809
  6. Stephen Davis, DDSLong Beach, CA 908221184649618
  7. Ferris Nazeri, D.M.D.Long Beach, CA 908221962515601
  8. Farnoush Fadavi, D.M.D.Seal Beach, CA 907401376675504

Common questions

What is Hoon Sagong, D.D.S.'s NPI number?

Hoon Sagong, D.D.S.'s National Provider Identifier (NPI) is 1497165583, issued on Apr 29, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Hoon Sagong, D.D.S. located?

The NPPES record lists a practice address at 4241 Long Beach Blvd, Long Beach, CA, 90807. Phone: (562) 612-4320. Providers update this record themselves, so call before visiting.

How can I verify Hoon Sagong, D.D.S.'s license?

NPPES lists California license number 64524, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hoon Sagong, D.D.S. prescribe under Medicare Part D?

In 2024, Hoon Sagong, D.D.S. had 328 Medicare Part D claims for 196 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.