NPPES file of Aug 9, 2026

Seunghwan Chung, DDS

Dentist · Highland, CA

Seunghwan Chung, DDS is a dentist with a practice address in Highland, California, and NPI 1629568688, issued on May 15, 2018. Check the license (California 53203, 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
1629568688
Name
Seunghwan Chung
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
53203 CA
Self-reported in NPPES; status is on the state search
Practice location
7291 Boulder Ave Ste 2B, Highland, CA 92346
Phone
(909) 425-8980
Enumerated
May 15, 2018
Record last updated
Jan 9, 2023
Fax
(909) 862-6695
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 Seunghwan Chung 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 53203
    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

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73% more Medicare Part D claims than the average dentist in 2024

149 Medicare Part D claims for 46 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Seunghwan Chung149
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate48 claims
  2. Amoxicillin44 claims
  3. Ibuprofen43 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: $104.88

2 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Seunghwan Chung$104.88
  2. Specialty average$540.36

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

Seunghwan Chung among 14,729 dentist records in California

Seunghwan Chung, DDS 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 2018, is newer than 76% of them.

  • NPI issued2018 · 76% of these records are older, 22% 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 updated2023 · 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).

11 dentist records list a practice address in Highland

They are 11 of the 399 NPPES records with a practice address in Highland, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Jongyeob Choi, DDSHighland, CA 923461699553156
  2. Brandon Dudar, DDSHighland, CA 923461124712542
  3. Michael Gardner, DDSHighland, CA 923461720690548
  4. Mark Johnsen, DDSHighland, CA 923461245390988
  5. Karin Johnsen, DDSHighland, CA 923461326109000
  6. Lawryn Monterroso, DDSHighland, CA 923461326422940
  7. Kelgynn Serbas, DMDHighland, CA 923461720716350
  8. Dhaval Shah, DDS MDSHighland, CA 923461750499182

Common questions

What is Seunghwan Chung, DDS's NPI number?

Seunghwan Chung, DDS's National Provider Identifier (NPI) is 1629568688, issued on May 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Seunghwan Chung, DDS located?

The NPPES record lists a practice address at 7291 Boulder Ave Ste 2B, Highland, CA, 92346. Phone: (909) 425-8980. Providers update this record themselves, so call before visiting.

How can I verify Seunghwan Chung, DDS's license?

NPPES lists California license number 53203, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Seunghwan Chung, DDS prescribe under Medicare Part D?

In 2024, Seunghwan Chung, DDS had 149 Medicare Part D claims for 46 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.