Doctor profile · Federal record

Dr. Robert Stewart, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Specialist · Mount Vernon, WA

  • NPI 1578599445
  • Accepts Medicare
  • MIPS 82.0 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
307 S. 13Th St.,, Suite 300
Mount Vernon, WA 98274
(360) 336-9757
fax (360) 336-2088
Mailing address
1400 E. Kincaid St., Attn: Credentialing
Mount Vernon, WA 982744127

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 5, 2012
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Washington #MD00028275
Medicaid
WA #8146938

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578599445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,558
Distinct HCPCS
10
Medicare allowed
$101,696
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 1,370 1,055 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 197 126 $180
99215 Established patient office or other outpatient visit, 40-54 minutes 191 115 $143
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 175 78 $32
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 138 94 $15
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 73 71 $68
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 56 56 $14
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 55 14 $26
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 53 48 $8
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 49 49 $76

In context: peer comparison

Among 3 peers in Mount Vernon Cardiovascular Disease Physician, average services per provider: 128. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$86
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Acumed LLC 1 $86.00

By nature of payment

Food and Beverage
$86

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,527
Patients
754
Total drug cost
$249,578
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 404 111 $5,344
Rosuvastatin Calcium Generic 307 88 $8,706
Metoprolol Succinate Generic 289 77 $6,978
Lisinopril Generic 198 58 $2,414
Amlodipine Besylate Generic 182 51 $1,593
Losartan Potassium Generic 161 50 $3,022
Furosemide Generic 158 53 $1,275
Carvedilol Generic 150 45 $2,405
Eliquis (Apixaban) Brand 149 41 $206,936
Potassium Chloride Generic 110 37 $3,304

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Stewart's medical specialty?
Dr. Robert Stewart practices Cardiovascular Disease Physician in Mount Vernon, WA.
Where does Dr. Robert Stewart practice?
Dr. Robert Stewart practices at 307 S. 13Th St.,, Mount Vernon, WA 98274. Office phone: 3603369757.
What is Dr. Robert Stewart's NPI?
Dr. Robert Stewart's National Provider Identifier (NPI) is 1578599445, issued by NPPES.
Does Dr. Robert Stewart accept Medicare assignment?
Yes. Dr. Robert Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Stewart commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.