Doctor profile · Federal record

Dr. Stephen Portz, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Interventional Cardiology Physician · Las Vegas, NV

  • NPI 1811933500
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3131 la Canada St Ste 140
Las Vegas, NV 891692579
(702) 933-9400
fax (702) 933-9444
Mailing address
6355 S Buffalo Dr Fl 3
Las Vegas, NV 891132133

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 13, 2025
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Nevada #5648
Medicaid
NV #1811933500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811933500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,316
Distinct HCPCS
10
Medicare allowed
$151,837
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 644 449 $126
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 112 112 $186
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 109 106 $6
J2785 Injection, regadenoson, 0.1 mg 104 26 $56
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 92 46 $45
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 51 51 $62
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 48 48 $438
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $163
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 32 32 $14
85610 Blood test, clotting time 29 12 $4

In context: peer comparison

Among 44 peers in Las Vegas Cardiovascular Disease Physician, average services per provider: 234. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen INC. 3 $50.83
Medtronic, INC. 1 $23.59

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,483
Patients
783
Total drug cost
$398,712
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 357 113 $3,842
Amlodipine Besylate Generic 309 98 $2,989
Metoprolol Succinate Generic 235 82 $3,560
Eliquis (Apixaban) Brand 224 56 $263,722
Rosuvastatin Calcium Generic 203 67 $2,866
Carvedilol Generic 167 50 $1,966
Metoprolol Tartrate Generic 160 48 $1,355
Lisinopril Generic 140 46 $1,386
Furosemide Generic 114 41 $937
Clopidogrel (Clopidogrel Bisulfate) Brand 110 36 $1,776

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Portz's medical specialty?
Dr. Stephen Portz practices Cardiovascular Disease Physician in Las Vegas, NV.
Where does Dr. Stephen Portz practice?
Dr. Stephen Portz practices at 3131 la Canada St Ste 140, Las Vegas, NV 891692579. Office phone: 7029339400.
What is Dr. Stephen Portz's NPI?
Dr. Stephen Portz's National Provider Identifier (NPI) is 1811933500, issued by NPPES.
Does Dr. Stephen Portz accept Medicare assignment?
Yes. Dr. Stephen Portz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Portz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.