Doctor profile · Federal record

Dr. Steven Mackay, D.O.

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Columbia, MO

  • NPI 1942254834
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1605 E Broadway Ste 300
Columbia, MO 652018023
(573) 256-7700
fax (573) 256-3003

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 21, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Missouri #2021034001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942254834. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,053
Distinct HCPCS
10
Medicare allowed
$209,809
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 538 413 $13
93793 Anticoagulant management of patient taking warfarin 259 26 $11
99214 Established patient office or other outpatient visit, 30-39 minutes 214 191 $117
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 208 72 $19
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 203 180 $12
99213 Established patient office or other outpatient visit, 20-29 minutes 161 154 $83
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 158 156 $64
J2785 Injection, regadenoson, 0.1 mg 152 38 $53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 138 68 $73
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 127 43 $28

In context: peer comparison

Among 5 peers in Columbia Interventional Cardiology Physician, average services per provider: 77. This provider delivers 40× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$966
Transactions
44
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 18 $194.29
Biotronik INC. 2 $146.75
CVRx, INC. 1 $127.70
Medtronic, INC. 5 $106.74
Abbott Laboratories 2 $78.33
Amgen INC. 4 $65.11
Kiniksa Pharmaceuticals International, Plc 2 $40.59
Boston Scientific Corporation 1 $39.91
E.R. Squibb & Sons, L.L.C. 2 $38.55
Edwards Lifesciences Corporation 1 $29.61
Merck Sharp & Dohme LLC 2 $29.48
Janssen Pharmaceuticals, INC 2 $29.35
Novo Nordisk INC 1 $24.18
Philips North America LLC 1 $15.72

By nature of payment

Food and Beverage
$966

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,233
Patients
708
Total drug cost
$172,333
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 267 82 $3,665
Losartan Potassium Generic 219 72 $2,954
Metoprolol Tartrate Generic 199 55 $1,627
Rosuvastatin Calcium Generic 199 80 $3,370
Lisinopril Generic 191 69 $1,518
Amlodipine Besylate Generic 168 57 $1,089
Clopidogrel (Clopidogrel Bisulfate) Brand 167 63 $2,870
Metoprolol Succinate Generic 140 52 $2,103
Carvedilol Generic 136 40 $1,107
Furosemide Generic 130 37 $623

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Mackay's medical specialty?
Dr. Steven Mackay practices Interventional Cardiology Physician in Columbia, MO.
Where does Dr. Steven Mackay practice?
Dr. Steven Mackay practices at 1605 E Broadway Ste 300, Columbia, MO 652018023. Office phone: 5732567700.
What is Dr. Steven Mackay's NPI?
Dr. Steven Mackay's National Provider Identifier (NPI) is 1942254834, issued by NPPES.
Does Dr. Steven Mackay accept Medicare assignment?
Yes. Dr. Steven Mackay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Mackay commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Anticoagulant management of patient taking warfarin (HCPCS 93793); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.