Steve Seyull Oh
Dentist · Irvine, CA
Steve Seyull Oh is a dentist with a practice address in Irvine, California, and NPI 1457518136, issued on May 20, 2008. Check the license (California 24843, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Steve Seyull Oh
- Primary taxonomy
- Dentist 122300000X
- License number
- 24843 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4980 Barranca Pkwy Ste 160, Irvine, CA 92604
- Phone
- (949) 726-0777
- Enumerated
- May 20, 2008
- Record last updated
- Jan 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (949) 726-0770
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Steve Seyull Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 24843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average dentist in 2024
74 Medicare Part D claims for 29 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.
Most prescribed
- Chlorhexidine Gluconate29 claims
- Amoxicillin19 claims
- 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.
Steve Seyull Oh among 14,729 dentist records in California
Steve Seyull Oh 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 2008, is newer than 42% of them.
- NPI issued2008 · 42% of these records are older, 52% 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 updated2012 · 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).
153 dentist records list a practice address in Irvine
They are 153 of the 7,778 NPPES records with a practice address in Irvine, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Irvine → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Manal Aziz, DDSIrvine, CA 926041972664985
- David Dudley, DDSIrvine, CA 926041578503637
- Jeevan Ghatnekar, DDSIrvine, CA 926041437161551
- Bokyung Han, DDSIrvine, CA 926041659417400
- William Hsiang, DMDIrving, CA 926041770694366
- Elaine Kim, D.D.S.Irvine, CA 926041194821827
- Jeffrey Kim, DDSIrvine, CA 926041033272927
- Sundi Lin, DDSIrvine, CA 926041629136668
Common questions
What is Steve Seyull Oh's NPI number?
Steve Seyull Oh's National Provider Identifier (NPI) is 1457518136, issued on May 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Steve Seyull Oh located?
The NPPES record lists a practice address at 4980 Barranca Pkwy Ste 160, Irvine, CA, 92604. Phone: (949) 726-0777. Providers update this record themselves, so call before visiting.
How can I verify Steve Seyull Oh's license?
NPPES lists California license number 24843, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Steve Seyull Oh prescribe under Medicare Part D?
In 2024, Steve Seyull Oh had 74 Medicare Part D claims for 29 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.