Youngseong Koh
General Practice Dentistry · Loma Linda, CA
Youngseong Koh is a general practice dentistry with a practice address in Loma Linda, California, and NPI 1982053161, issued on Jun 8, 2016. Check the license (California 100110, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Youngseong Koh
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 100110 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26354 Long St, Loma Linda, CA 92354
- Phone
- (909) 499-4126
- Enumerated
- Jun 8, 2016
- Record last updated
- Jun 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Youngseong Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 100110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average general practice dentistry in 2024
35 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin16 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: $57.22
4 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Youngseong Koh among 17,852 general practice dentistry records in California
Youngseong Koh 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 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 19% 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 updated2016 · 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).
72 general practice dentistry records list a practice address in Loma Linda
They are 72 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Loma Linda → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Daniel Armstrong, D.D.S.Loma Linda, CA 923541396963393
- Brian Black, D.D.S.Loma Linda, CA 923541679793426
- James Dunn, DDSLoma Linda, CA 923541083778856
- Gilbert Dupper, DDSLoma Linda, CA 923541699839464
- Ronald Forde, D.D.S.Loma Linda, CA 923541285840579
- Roger Gilbert, D.D.S.Loma Linda, CA 923541184771156
- Gary Golden, D.D.S.Loma Linda, CA 923541265648489
- Luke Iwata, D.D.S.Loma Linda, CA 923541578561106
Common questions
What is Youngseong Koh's NPI number?
Youngseong Koh's National Provider Identifier (NPI) is 1982053161, issued on Jun 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Youngseong Koh located?
The NPPES record lists a practice address at 26354 Long St, Loma Linda, CA, 92354. Phone: (909) 499-4126. Providers update this record themselves, so call before visiting.
How can I verify Youngseong Koh's license?
NPPES lists California license number 100110, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Youngseong Koh prescribe under Medicare Part D?
In 2024, Youngseong Koh had 35 Medicare Part D claims for 18 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.