NPPES file of Aug 9, 2026

Sejong Yoon, D.D.S.

General Practice Dentistry · Snellville, GA

Sejong Yoon, D.D.S. is a general practice dentistry with a practice address in Snellville, Georgia, and NPI 1225487333, issued on Jun 9, 2016. Check the license (Georgia DN122500, as entered in NPPES) with the Georgia 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
1225487333
Name
Sejong Yoon
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DN122500 GA
Self-reported in NPPES; status is on the state search
Practice location
1850 Scenic Hwy N Ste B, Snellville, GA 30078
Phone
(770) 979-0661
Enumerated
Jun 9, 2016
Record last updated
Jan 31, 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 Sejong Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Georgia board licenses this profession
    Search for license DN122500
    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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22% fewer Medicare Part D claims than the average general practice dentistry in 2024

65 Medicare Part D claims for 37 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. 13 claims were for opioids.

  1. Sejong Yoon65
  2. Specialty average83

Most prescribed

  1. Amoxicillin28 claims
  2. Ibuprofen12 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.

Sejong Yoon among 3,145 general practice dentistry records in Georgia

Sejong Yoon, D.D.S. is one of 3,145 general practice dentistry records with a practice address in Georgia. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 75% of them.

  • NPI issued2016 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 71% 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 Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 general practice dentistry records list a practice address in Snellville

They are 32 of the 1,575 NPPES records with a practice address in Snellville, and 3,145 general practice dentistry records in Georgia.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jimmy Balkcom, D.M.D.,P.C.Snellville, GA 300781487672531
  2. James Darden, DDSSnellville, GA 300781366534430
  3. Sunday Fawole, DDS, MDSnellville, GA 300781164591913
  4. Kenneth Hutchinson, D,M.D., F.A.G.DSnellville, GA 300781205870284
  5. James Mazzawi, D.M.D.Snellville, GA 300781740289438
  6. Marty Mazzawi, D.D.S.Snellville, GA 300781972596492
  7. Anne Mazzawi, D.D.S.Snellville, GA 300781073603502
  8. John Mazzawi, DMDSnellville, GA 300781508956038

Common questions

What is Sejong Yoon, D.D.S.'s NPI number?

Sejong Yoon, D.D.S.'s National Provider Identifier (NPI) is 1225487333, issued on Jun 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sejong Yoon, D.D.S. located?

The NPPES record lists a practice address at 1850 Scenic Hwy N Ste B, Snellville, GA, 30078. Phone: (770) 979-0661. Providers update this record themselves, so call before visiting.

How can I verify Sejong Yoon, D.D.S.'s license?

NPPES lists Georgia license number DN122500, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.

How much does Sejong Yoon, D.D.S. prescribe under Medicare Part D?

In 2024, Sejong Yoon, D.D.S. had 65 Medicare Part D claims for 37 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.