Doctor profile · Federal record

Dr. John Oreilly, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Las Vegas, NV

  • NPI 1356579155
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2435 Fire Mesa St Ste 120
Las Vegas, NV 891289009
(702) 968-2437
fax (702) 479-1796
Mailing address
622 W 168Th St
New York, NY 100323720

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
September 24, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Nevada #21365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356579155. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,128
Distinct HCPCS
7
Medicare allowed
$242,723
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,029 328 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 652 232 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 302 274 $171
99214 Established patient office or other outpatient visit, 30-39 minutes 60 48 $123
99215 Established patient office or other outpatient visit, 40-54 minutes 38 30 $174
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 31 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $90

In context: peer comparison

Among 21 peers in Las Vegas Infectious Disease Physician, average services per provider: 3,511. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,191
Transactions
37
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 11 $266.38
Melinta Therapeutics, LLC 8 $235.30
Gilead Sciences, INC. 4 $196.75
Merck Sharp & Dohme LLC 7 $177.06
Astellas Pharma US INC 2 $122.32
Paratek Pharmaceuticals, INC. 2 $116.77
Abbvie INC. 2 $45.68
La Jolla Pharmaceutical Company 1 $31.20

By nature of payment

Food and Beverage
$1,081
Education
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
410
Patients
11
Total drug cost
$445,344
Drug Type Claims Patients Total cost
Azithromycin Generic 61 0 $2,146
Daptomycin Generic 51 11 $82,218
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 34 0 $137,564
Dovato (Dolutegravir Sodium/Lamivudine) Brand 34 0 $101,218
Ceftriaxone (Ceftriaxone Sodium) Brand 33 0 $4,532
Ertapenem (Ertapenem Sodium) Brand 31 0 $14,939
Ethambutol Hcl Generic 31 0 $2,479
Rifampin Generic 30 0 $10,795
Methenamine Hippurate Generic 22 0 $2,064
Oxacillin Sodium Generic 16 0 $11,948

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Oreilly's medical specialty?
Dr. John Oreilly practices Infectious Disease Physician in Las Vegas, NV.
Where does Dr. John Oreilly practice?
Dr. John Oreilly practices at 2435 Fire Mesa St Ste 120, Las Vegas, NV 891289009. Office phone: 7029682437.
What is Dr. John Oreilly's NPI?
Dr. John Oreilly's National Provider Identifier (NPI) is 1356579155, issued by NPPES.
Does Dr. John Oreilly accept Medicare assignment?
Yes. Dr. John Oreilly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Oreilly commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.