Doctor profile · Federal record

Dr. Stephen Day, M.D.

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Alexandria, VA

  • NPI 1851397467
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4825 Mark Center Dr Ste 150
Alexandria, VA 223111846
(703) 751-8111
fax (703) 751-1105
Mailing address
2901 Telestar CT., #300
Falls Church, VA 220421261

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
August 25, 2022
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Virginia #0101057025
Medicaid (3)
VA #1851397467 · DC #029735400 · MD #101700400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851397467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,719
Distinct HCPCS
10
Medicare allowed
$174,395
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 537 440 $143
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 438 420 $17
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 188 162 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 134 132 $100
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 116 116 $129
99204 New patient office or other outpatient visit, 45-59 minutes 98 98 $186
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 61 61 $268
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 22 22 $15
99215 Established patient office or other outpatient visit, 40-54 minutes 19 18 $203
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 18 16 $586

In context: peer comparison

Among 1 peers in this city , average services per provider: 107. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$307
Transactions
16
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 4 $80.80
Amgen Inc. 2 $47.54
PFIZER INC. 2 $37.60
Chiesi USA, Inc. 2 $29.36
Merck Sharp & Dohme LLC 1 $25.31
Actelion Pharmaceuticals US, Inc. 1 $20.19
Janssen Pharmaceuticals, Inc 1 $20.02
E.R. Squibb & Sons, L.L.C. 1 $16.18
ABIOMED 1 $15.59
ShockWave Medical, Inc 1 $14.89

By nature of payment

Food and Beverage
$307

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,028
Patients
370
Total drug cost
$125,476
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 179 63 $2,569
Metoprolol Succinate Generic 144 51 $2,698
Eliquis (Apixaban) Brand 78 23 $107,688
Amlodipine Besylate Generic 71 23 $491
Rosuvastatin Calcium Generic 68 24 $957
Lisinopril Generic 67 22 $533
Furosemide Generic 66 30 $543
Losartan Potassium Generic 65 23 $1,222
Carvedilol Generic 55 21 $795
Clopidogrel (Clopidogrel Bisulfate) Brand 55 21 $1,182

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Day's medical specialty?
Dr. Stephen Day practices Interventional Cardiology Physician in Alexandria, VA.
Where does Dr. Stephen Day practice?
Dr. Stephen Day practices at 4825 Mark Center Dr Ste 150, Alexandria, VA 223111846. Office phone: 7037518111.
What is Dr. Stephen Day's NPI?
Dr. Stephen Day's National Provider Identifier (NPI) is 1851397467, issued by NPPES.
Does Dr. Stephen Day accept Medicare assignment?
Yes. Dr. Stephen Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Day commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.