Dr. Gene Ong, MD
- Medicare services, 2024
- 1,436
- Medicare patients, 2024
- 399
- Part D claims, 2024
- 2,847
- Publications
- 72
- Hospital affiliations
- 5
- Practice address
- 2450 Fire Mesa Street, Ste 100, Las Vegas, NV 89128
- Practice phone
- Call (702) 726-6344
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Azura Surgery Center Las Vegas
Surgery Center - Medicare-Certified · Las Vegas, Nevada
Find Dr. Ong's professional email, personal email and mobile number
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Dr. Gene Ong is a nephrologist in Las Vegas, Nevada
Dr. Ong practices at Azura Surgery Center Las Vegas in Las Vegas, Nevada.
Dr. Ong's NPI, 1659365286, was assigned on September 9, 2005. Dr. Ong holds Nevada license 12481.
- NPI
- 1659365286NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183702848
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 726-6344
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gene Ong practices at Azura Surgery Center Las Vegas in Las Vegas, Nevada
Dr. Ong's primary practice is Azura Surgery Center Las Vegas, at 2450 Fire Mesa Street, Ste 100, Las Vegas, NV 89128. The practice phone is (702) 726-6344.
- Azura Surgery Center Las Vegas2450 Fire Mesa Street, Ste 100, Las Vegas, NV 89128Phone(702) 726-6344
Source: Dmand AI Affiliation Data
Dr. Gene Ong is affiliated with 10 sites of care and 1 medical group
Dr. Ong's primary practice is Azura Surgery Center Las Vegas in Las Vegas, Nevada. Dr. Ong is also affiliated with MountainView Hospital. The medical group on file is Nevada Kidney Disease & Hypertension Centers. Dmand AI also links Dr. Ong to 4 more hospitals, 3 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gene Ong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ong practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Azura Surgery Center Las Vegas | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gene Ong is one of 120 nephrologists in Nevada
Nephrology is Dr. Ong's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Ong's licenses on file in 2 states: Nevada and Texas.
Specialties and state licenses
- Nephrology, NevadaPrimary
- Texas license
Nephrologists near Dr. Ong
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gene Ong billed Medicare for 1,436 services in 2024
CMS data shows 1,436 Medicare services from Dr. Ong across 10 procedure codes in 2024, for 399 Medicare patients. Medicare paid $140,713 for them.
Dr. Ong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1442024: 99213%
- Tests and treatments
- 2023: 1912024: 34480%
- Other services
- 2023: 02024: 100
Where Dr. Ong's Medicare services took place, 2024
- In an office78555%
- In a facility65145%
Dr. Ong compared with the Nevada median for nephrologists, 2024
- Dr. Ong
- Nevada median
- Medicare services
- 1,436vs 1,424Close to median
- Medicare patients
- 399vs 381Close to median
- Part D claims
- 2,636vs 5584.7 times
Medians across 116 nephrologists in Nevada with Dmand AI profiles that report each measure.
Dr. Ong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ong and other nephrologists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gene Ong treated 399 Medicare patients in 2024, average age 71
CMS counts 399 Medicare patients who saw Dr. Ong in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 39% are also on Medicaid. Their average risk score is 4.50, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ong's median patient age at 69, with 47% women.
Dr. Ong's Medicare patients by age, 2024
Dr. Ong's Medicare patients by sex, 2024
- Women18947%
- Men21053%
Chronic conditions among Dr. Ong's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes67%
- Heart failure54%
- Ischemic heart disease52%
- Arthritis47%
- Atrial fibrillation37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gene Ong wrote 2,847 Medicare Part D claims in 2024
In 2024, Dr. Ong wrote 2,847 Medicare Part D claims for 395 patients. 73% of them were for generic drugs. CMS names the drug for 2,636 of them, across 41 drugs with 11 or more claims each, at $771,858 in total drug cost. In 2023, CMS named 1,559 claims across 34 drugs.
Dr. Ong's Part D claims by kind of drug, 2024
- Generic2,086 claims73%
- Brand-name761 claims27%
Dr. Ong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ong's Part D claims, 2024
- Antibiotics2%45 of 2,847 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5592024: 2,63669%
Drugs named by CMS: 41 in 2024, 34 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gene Ong offers telehealth to Medicare patients
Dr. Ong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gene Ong has 72 publications on record
Dmand AI links 72 papers to Dr. Ong, published from 2015 to 2025. 2022 was the busiest year, with 10. The most frequent topics are Emergency Service, Hospital, Singapore and Cardiopulmonary Resuscitation. Dr. Ong has published most often in Emerg Med J. Dr. Ong's most frequent co-authors are Katherine M. Berg, MD, Nathan P. Charlton, MD and Peter James Kudenchuk.
Dr. Ong's papers by year, 2015 to 2025
Topics Dr. Ong writes about most
- Emergency Service, Hospital
- Singapore
- Cardiopulmonary Resuscitation
- Ultrasonography
- Bacterial Infections
- Consensus
- Emergency Medical Services
- Fever
Dr. Ong's most frequent co-authors
- Katherine M. Berg, MD3 shared papers
- Nathan P. Charlton, MD3 shared papers
- Peter James Kudenchuk3 shared papers
Recent publications by Dr. Ong
See who Dr. Ong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ong works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gene Ong received $12,355 in industry payments from 2016 to 2025
CMS Open Payments shows 653 general payments to Dr. Ong from 35 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,030.
General payments to Dr. Ong by program year, 2016 to 2025
General payments to Dr. Ong by kind, 2016 to 2025
- Food and beverage$12,21399%
- Education$1161%
- Travel and lodging$270%
Companies that paid Dr. Ong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gene Ong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gene Ong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gene Ong's NPI number?
Dr. Gene Ong's NPI number is 1659365286. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gene Ong?
Dr. Gene Ong is a nephrologist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Gene Ong practice?
Dr. Ong practices at 2450 Fire Mesa Street, Ste 100, Las Vegas, NV 89128. Dr. Ong's primary practice is Azura Surgery Center Las Vegas in Las Vegas, Nevada. Dmand AI also links Dr. Ong to 4 hospitals, 3 dialysis centers and 1 group practice or clinic.
What is Dr. Gene Ong's office phone number?
The practice phone on file for Dr. Ong is (702) 726-6344.
What is Dr. Gene Ong's medical license number?
Dr. Ong holds Nevada license 12481, one of the licenses on file in 2 states.
Which states has Dr. Gene Ong been licensed in?
Dmand AI has state licenses on file for Dr. Ong in Nevada and Texas.
Which hospitals is Dr. Gene Ong affiliated with?
Dr. Ong is affiliated with MountainView Hospital. Dmand AI links Dr. Ong to 4 more hospitals.
What medical group is Dr. Gene Ong part of?
Dr. Ong is linked to Nevada Kidney Disease & Hypertension Centers.
Does Dr. Gene Ong accept Medicare?
Yes. CMS data shows Dr. Ong billed Medicare for 1,436 services in 2024, and Dr. Ong accepts Medicare assignment.
Does Dr. Gene Ong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ong as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Gene Ong see?
CMS counts 399 Medicare patients who saw Dr. Ong in 2024, with an average age of 71.
What services does Dr. Gene Ong bill to Medicare?
In 2024, Dr. Ong's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99213) and dialysis (90960).
What drugs does Dr. Gene Ong prescribe most?
In 2024 Medicare Part D data, Dr. Ong's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Jardiance.
Has Dr. Gene Ong received payments from drug or device companies?
CMS Open Payments shows $12,355 in general payments to Dr. Ong from 35 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gene Ong been practicing?
Dr. Ong graduated from medical school in 1985, 41 years ago.
Does Dr. Gene Ong do research?
Dmand AI links 72 publications to Dr. Ong, published from 2015 to 2025.
Who does Dr. Gene Ong publish with?
Dr. Ong's most frequent co-authors are Katherine M. Berg, MD (3 shared papers), Nathan P. Charlton, MD (3 shared papers) and Peter James Kudenchuk (3 shared papers).
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