NPPES file of Aug 9, 2026

Gene Ong, M.D.

Nephrology Physician · Las Vegas, NV

Gene Ong, M.D. is a nephrology physician with a practice address in Las Vegas, Nevada, and NPI 1659365286, issued on Sep 9, 2005. Check the license (Nevada 12481, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1659365286
Name
Gene Ong
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
12481 NV
L1150 TX
Self-reported in NPPES; status is on the state search
Practice location
1581 Mount Mariah Dr Ste 150, Las Vegas, NV 89106
Phone
(702) 851-7766
Enumerated
Sep 9, 2005
Record last updated
May 16, 2024
Fax
(702) 851-7760
Medicaid IDs
157244801 TX
1659365286 NV
Medicare enrollment
Enrolled (PECOS I20080421000345); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1581 Mount Mariah Dr Ste 150

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

  1. Samuel Kantor, M.D.Nephrology Physician1316909864
  2. Arshi Quadeer, MDNephrology Physician1003070368
  3. Nervik Roy, DONephrology Physician1639669567
  4. Maria Vornicu, M.D.Nephrology Physician1689870487

Verify Gene Ong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 12481
    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
Open the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% more Medicare Part D claims than the average nephrology physician in 2024

2,847 Medicare Part D claims for 395 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Gene Ong2,847
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium299 claims
  2. Amlodipine Besylate270 claims
  3. Jardiance251 claims
  4. Farxiga213 claims
  5. Lisinopril172 claims
  6. Allopurinol159 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: $2,361.02

116 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gene Ong$2,361.02
  2. Specialty average$3,091.37

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

Bills Medicare through one group practice

  1. Nkdhc Rudnitsky PLLCLas Vegas, NV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gene Ong among 125 nephrology physician records in Nevada

Gene Ong, M.D. is one of 125 nephrology physician records with a practice address in Nevada. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated1985 · median 2000 among the 106 with a school on file
  • Record last updated2024 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Nevada

There are 125 nephrology physician records in Nevada.

The 8 nephrology physician records with the nearest ZIP codes

  1. John Havill, MBBSLas Vegas, NV 891061407097280
  2. Bilal Iqbal, MDLas Vegas, NV 891061881950467
  3. Samuel Kantor, M.D.Las Vegas, NV 891061316909864
  4. Oleh Pankewycz, MDLas Vegas, NV 891061194792531
  5. Darbha Prasad, MDLas Vegas, NV 891061003923319
  6. Arshi Quadeer, MDLas Vegas, NV 891061003070368
  7. Nervik Roy, DOLas Vegas, NV 891061639669567
  8. Maria Vornicu, M.D.Las Vegas, NV 891061689870487

Common questions

What is Gene Ong, M.D.'s NPI number?

Gene Ong, M.D.'s National Provider Identifier (NPI) is 1659365286, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gene Ong, M.D. located?

The NPPES record lists a practice address at 1581 Mount Mariah Dr Ste 150, Las Vegas, NV, 89106. Phone: (702) 851-7766. Providers update this record themselves, so call before visiting.

How can I verify Gene Ong, M.D.'s license?

NPPES lists Nevada license number 12481, 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 Gene Ong, M.D. prescribe under Medicare Part D?

In 2024, Gene Ong, M.D. had 2,847 Medicare Part D claims for 395 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.