Dr. John Isaiah Oreilly, MD
- Medicare services, 2024
- 3,130
- Medicare patients, 2024
- 743
- Part D claims, 2024
- 590
- MIPS score, 2024
- 24
- Hospital affiliations
- 5
- Practice address
- 3186 S Maryland Pkwy, Las Vegas, NV 89109
- Practice phone
- Call (702) 731-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oreilly's professional email, personal email and mobile number
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Dr. John Isaiah Oreilly is an infectious disease specialist in Las Vegas, Nevada
Dr. Oreilly practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare.
Dr. Oreilly's NPI, 1356579155, was assigned on June 30, 2009. Dr. Oreilly graduated from Tulane University School of Medicine in 2016. Dr. Oreilly holds Nevada license 21365.
- NPI
- 1356579155NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749612794
- NPI enumeration date
- June 30, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (702) 731-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Isaiah Oreilly practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada
Dr. Oreilly's primary practice is Sunrise Hospital and Medical Center, at 3186 S Maryland Pkwy, Las Vegas, NV 89109 in Clark County. The practice phone is (702) 731-8000.
- Sunrise Hospital and Medical Center3186 S Maryland Pkwy, Las Vegas, NV 89109 · Clark CountyPhone(702) 731-8000
Source: Dmand AI Affiliation Data
Dr. John Isaiah Oreilly is affiliated with 7 sites of care and 3 medical groups
Dr. Oreilly's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare. Dr. Oreilly is also affiliated with MountainView Hospital. The medical group on file is APEX Infectious Disease of Nevada. Dmand AI also links Dr. Oreilly to 3 more hospitals, 2 group practices and clinics and 2 medical groups, 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. John Isaiah Oreilly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oreilly practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sunrise Hospital and Medical Center | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Isaiah Oreilly is one of 61 infectious disease specialists in Nevada
Infectious disease is Dr. Oreilly's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Oreilly is licensed in Nevada.
Specialties and state licenses
- Infectious disease, NevadaPrimary
Infectious disease specialists near Dr. Oreilly
Counts of infectious disease specialists 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. John Isaiah Oreilly billed Medicare for 3,130 services in 2024
CMS data shows 3,130 Medicare services from Dr. Oreilly across 6 procedure codes in 2024, for 743 Medicare patients. Medicare paid $271,453 for them.
Dr. Oreilly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1282024: 3,13047%
Where Dr. Oreilly's Medicare services took place, 2024
- In an office1425%
- In a facility2,98895%
Dr. Oreilly compared with the Nevada median for infectious disease specialists, 2024
- Dr. Oreilly
- Nevada median
- Medicare services
- 3,130vs 9363.3 times
- Medicare patients
- 743vs 2393.1 times
- Part D claims
- 444vs 25673% above
Medians across 56 infectious disease specialists in Nevada with Dmand AI profiles that report each measure.
Dr. Oreilly'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. Oreilly and other infectious disease specialists in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Isaiah Oreilly treated 743 Medicare patients in 2024, average age 73
CMS counts 743 Medicare patients who saw Dr. Oreilly in 2024. The largest group is 75 to 84, with 254 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 3.01, 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. Oreilly's median patient age at 71, with 48% women.
Dr. Oreilly's Medicare patients by age, 2024
Dr. Oreilly's Medicare patients by sex, 2024
- Women36950%
- Men37450%
Chronic conditions among Dr. Oreilly's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Chronic kidney disease54%
- Diabetes54%
- Heart failure50%
- Ischemic heart disease50%
- Anxiety48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oreilly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Isaiah Oreilly wrote 590 Medicare Part D claims in 2024
In 2024, Dr. Oreilly wrote 590 Medicare Part D claims for 129 patients. 88% of them were for generic drugs. CMS names the drug for 444 of them, across 18 drugs with 11 or more claims each, at $198,910 in total drug cost. In 2023, CMS named 421 claims across 16 drugs.
Dr. Oreilly's Part D claims by kind of drug, 2024
- Generic521 claims88%
- Brand-name69 claims12%
Dr. Oreilly'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. Oreilly's Part D claims, 2024
- Antibiotics74%436 of 590 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: 4212024: 4445%
Drugs named by CMS: 18 in 2024, 16 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. John Isaiah Oreilly scored 24 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 24 out of 100 for Dr. Oreilly for performance year 2024, reported individually. Dr. Oreilly accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Oreilly as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Oreilly's MIPS scores, performance year 2024
- 24of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Isaiah Oreilly received $8,109 in industry payments from 2020 to 2025
CMS Open Payments shows 240 general payments to Dr. Oreilly from 23 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 97% of the total. ViiV Healthcare Company paid the most, $1,795.
General payments to Dr. Oreilly by program year, 2020 to 2025
General payments to Dr. Oreilly by kind, 2020 to 2025
- Food and beverage$7,89897%
- Education$2113%
Companies that paid Dr. Oreilly the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Isaiah Oreilly graduated from Tulane University School of Medicine
Dr. Oreilly graduated from Tulane University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Isaiah Oreilly'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. John Isaiah Oreilly
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. John Isaiah Oreilly's NPI number?
Dr. John Isaiah Oreilly's NPI number is 1356579155. It was assigned on June 30, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. John Isaiah Oreilly?
Dr. John Isaiah Oreilly is an infectious disease specialist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. John Isaiah Oreilly practice?
Dr. Oreilly practices at 3186 S Maryland Pkwy, Las Vegas, NV 89109. Dr. Oreilly's primary practice is Sunrise Hospital and Medical Center in Las Vegas, Nevada, part of HCA Healthcare. Dmand AI also links Dr. Oreilly to 3 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. John Isaiah Oreilly's office phone number?
The practice phone on file for Dr. Oreilly is (702) 731-8000.
What is Dr. John Isaiah Oreilly's medical license number?
Dr. Oreilly holds Nevada license 21365.
Which hospitals is Dr. John Isaiah Oreilly affiliated with?
Dr. Oreilly practices at Sunrise Hospital and Medical Center in Las Vegas, Nevada. Dr. Oreilly is also affiliated with MountainView Hospital. Dmand AI links Dr. Oreilly to 3 more hospitals.
What medical group is Dr. John Isaiah Oreilly part of?
Dr. Oreilly is linked to APEX Infectious Disease of Nevada. Dmand AI links Dr. Oreilly to 2 more medical groups.
Does Dr. John Isaiah Oreilly accept Medicare?
Yes. CMS data shows Dr. Oreilly billed Medicare for 3,130 services in 2024, and Dr. Oreilly accepts Medicare assignment.
Does Dr. John Isaiah Oreilly offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Oreilly as offering telehealth services.
What is Dr. John Isaiah Oreilly's MIPS score?
Dr. Oreilly's MIPS final score for performance year 2024 is 24 out of 100, reported individually.
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How many Medicare patients does Dr. John Isaiah Oreilly see?
CMS counts 743 Medicare patients who saw Dr. Oreilly in 2024, with an average age of 73.
What services does Dr. John Isaiah Oreilly bill to Medicare?
In 2024, Dr. Oreilly's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. John Isaiah Oreilly go to medical school?
Dr. Oreilly graduated from Tulane University School of Medicine in 2016.
What drugs does Dr. John Isaiah Oreilly prescribe most?
In 2024 Medicare Part D data, Dr. Oreilly's most prescribed drugs by claims were Ertapenem, Ceftriaxone and Daptomycin.
Has Dr. John Isaiah Oreilly received payments from drug or device companies?
CMS Open Payments shows $8,109 in general payments to Dr. Oreilly from 23 companies from 2020 to 2025. The largest total came from ViiV Healthcare Company.
How long has Dr. John Isaiah Oreilly been practicing?
Dr. Oreilly graduated from medical school in 2016, 10 years ago.
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