John Young Ko, DO
Gastroenterology Physician · Las Vegas, NV
John Young Ko, DO is a gastroenterology physician with a practice address in Las Vegas, Nevada, and NPI 1033841101, issued on Jun 28, 2022. Check the license (Nevada DO3792, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Young Ko
- Credential
- DO
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- DO3792 NV
SL1890 NV
Self-reported in NPPES; status is on the state search - Practice location
- 620 Shadow LN, Las Vegas, NV 89106
- Phone
- (702) 388-8436
- Enumerated
- Jun 28, 2022
- Record last updated
- Mar 30, 2026
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 119 in Nevada → Look up another NPI →
Also registered at 620 Shadow LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ethel Aguilera, D.O.Family Medicine Physician1184855934
- Timothy Ahn, DOStudent in an Organized Health Care Education/Training Program1346090784
- Felix Alexie, DOInternal Medicine Physician1023904315
Verify John Young Ko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO3792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average gastroenterology physician in 2024
249 Medicare Part D claims for 45 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium13 claims
- Trazodone Hcl13 claims
- Amlodipine Besylate11 claims
- Pantoprazole Sodium11 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: $332.12
8 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 13,350 providers of this specialty with any payment received $5,015.95 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.
John Young Ko among 119 gastroenterology physician records in Nevada
John Young Ko, DO is one of 119 gastroenterology physician records with a practice address in Nevada. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Nevada
There are 119 gastroenterology physician records in Nevada.
All 119 in Nevada → Every provider in Las Vegas → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sara AlleyasinLas Vegas, NV 891061790340990
- Enrique Lacayo, MDLas Vegas, NV 891061114958683
- Keaton Maguire, DOLas Vegas, NV 891061134796550
- Nasim McDermott, DOLas Vegas, NV 891061144450123
- Sherin Samuel, DOLas Vegas, NV 891061235704677
- Yakov Shaposhnikov, MDLas Vegas, NV 891061790710994
- Masuma Syed, MDLas Vegas, NV 891061881223428
- Robert Pham, PH.D MDLas Vegas, NV 891071740596188
Common questions
What is John Young Ko, DO's NPI number?
John Young Ko, DO's National Provider Identifier (NPI) is 1033841101, issued on Jun 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is John Young Ko, DO located?
The NPPES record lists a practice address at 620 Shadow LN, Las Vegas, NV, 89106. Phone: (702) 388-8436. Providers update this record themselves, so call before visiting.
How can I verify John Young Ko, DO's license?
NPPES lists Nevada license number DO3792, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Young Ko, DO prescribe under Medicare Part D?
In 2024, John Young Ko, DO had 249 Medicare Part D claims for 45 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.