NPPES file of Aug 9, 2026

Yoon Seok Oh, DMD

General Practice Dentistry · Portland, ME

Yoon Seok Oh, DMD is a general practice dentistry with a practice address in Portland, Maine, and NPI 1699551994, issued on Sep 4, 2023. Check the license (Maine DEN4752, as entered in NPPES) with the Maine 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
1699551994
Name
Yoon Seok Oh
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DEN4752 ME
Self-reported in NPPES; status is on the state search
Practice location
612 Brighton Ave, Portland, ME 04102
Phone
(207) 772-4359
Enumerated
Sep 4, 2023
Record last updated
Sep 4, 2023
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 612 Brighton Ave

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

  1. Yu-Hsin Chen, DDS, MSOBPeriodontics1750261483
  2. Jeffrey Finegold, D.M.D.General Practice Dentistry1497722896
  3. George Gordon, DMDPeriodontics1669530713
  4. Jordan Hicks, DDSDentist1932629953
  5. Erica MarstonDental Hygienist1548929029
  6. Stephen Morse, DMDPeriodontics1114085255

Verify Yoon Seok Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license DEN4752
    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 Maine license search

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58% fewer Medicare Part D claims than the average general practice dentistry in 2024

35 Medicare Part D claims for 29 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Yoon Seok Oh35
  2. Specialty average83

Most prescribed

  1. Amoxicillin28 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: $62.50

1 payment: food and beverage; the largest payer was Envista Holdings Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yoon Seok Oh$62.50
  2. Specialty average$597.01

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

General Practice Dentistry providers in Maine

There are 519 general practice dentistry records in Maine.

Other general practice dentistry records in Maine

  1. Joel Ackerman, DMDEllsworth, ME1417979386
  2. Timothy Adamchuk, DMDWindham, ME1871190926
  3. Isaac Adegbola, DDSEllsworth, ME1245043496
  4. Oluwapelumi Adeloye, D.M.D, MPHLincoln, ME1235623307
  5. Colleen Ahern, DMDYarmouth, ME1073018834
  6. Donald Ahern, D.D.S.Ellsworth, ME1356483093
  7. Jacob Akers, D.D.S.Porter, ME1023343019
  8. Olugbenga Akinsanya, DDSWaterville, ME1154586006
  9. Nicola Albanese, DMDGorham, ME1376675603
  10. Gregory Albert, DDSDamariscotta, ME1861612186

Common questions

What is Yoon Seok Oh, DMD's NPI number?

Yoon Seok Oh, DMD's National Provider Identifier (NPI) is 1699551994, issued on Sep 4, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Yoon Seok Oh, DMD located?

The NPPES record lists a practice address at 612 Brighton Ave, Portland, ME, 04102. Phone: (207) 772-4359. Providers update this record themselves, so call before visiting.

How can I verify Yoon Seok Oh, DMD's license?

NPPES lists Maine license number DEN4752, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Yoon Seok Oh, DMD prescribe under Medicare Part D?

In 2024, Yoon Seok Oh, DMD had 35 Medicare Part D claims for 29 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.