NPPES file of Aug 9, 2026

Sekwan Oh, D.D.S.

General Practice Dentistry · Sunnyvale, CA

Sekwan Oh, D.D.S. is a general practice dentistry with a practice address in Sunnyvale, California, and NPI 1952682163, issued on Sep 1, 2011. Check the license (California 60732, 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
1952682163
Name
Sekwan Oh
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
60732 CA
Self-reported in NPPES; status is on the state search
Practice location
990 W Fremont Ave, Sunnyvale, CA 94087
Phone
(408) 477-1226
Enumerated
Sep 1, 2011
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
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 990 W Fremont Ave

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

  1. Preetha Arun, D.D.S.General Practice Dentistry1700912011
  2. Peter Bui, DDS, MDOral & Maxillofacial Surgery (D.M.D.)1063660538
  3. Lawrence Chan, M.D.Specialist1669437380
  4. Neena ChandiokGeneral Practice Dentistry1225236664
  5. Steve Chang, DDSPeriodontics1700921632
  6. Roy Christian, D.D.SDentist1073810941

Verify Sekwan Oh 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 60732
    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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86% fewer Medicare Part D claims than the average general practice dentistry in 2024

12 Medicare Part D claims, 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.

  1. Sekwan Oh12
  2. Specialty average83

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.

Sekwan Oh among 17,852 general practice dentistry records in California

Sekwan Oh, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.

  • NPI issued2011 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2021 · 79% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

132 general practice dentistry records list a practice address in Sunnyvale

They are 132 of the 1,690 NPPES records with a practice address in Sunnyvale, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Thomas Carr, D.D.S.Sunnyvale, CA 940871972579787
  2. James Doran, DDSSunnyvale, CA 940871083642532
  3. Holly Dunlop Harding, D.M.D.Sunnyvale, CA 940871801905567
  4. Theresa Frank, D.D.S.Sunnyvale, CA 940871578582151
  5. Keerthi Golla, DMDSunnyvale, CA 940871528045184
  6. Joon-Ku Lee, D.M.DSunnyvale, CA 940871720006406
  7. Steven Marshall, D.D.S.Sunnyvale, CA 940871568498624
  8. Thu Nguyen, D.D.S.Sunnyvale, CA 940871043222110

Common questions

What is Sekwan Oh, D.D.S.'s NPI number?

Sekwan Oh, D.D.S.'s National Provider Identifier (NPI) is 1952682163, issued on Sep 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sekwan Oh, D.D.S. located?

The NPPES record lists a practice address at 990 W Fremont Ave, Sunnyvale, CA, 94087. Phone: (408) 477-1226. Providers update this record themselves, so call before visiting.

How can I verify Sekwan Oh, D.D.S.'s license?

NPPES lists California license number 60732, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Sekwan Oh, D.D.S. prescribe under Medicare Part D?

In 2024, Sekwan Oh, D.D.S. had 12 Medicare Part D claims; 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.