Doctor profile · Federal record

Dr. Winston Marshall, M.D.

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Denison, TX

  • NPI 1447287057
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5012 S US Highway 75, Suite 100
Denison, TX 750204587
(903) 416-6325
fax (903) 416-6326
Mailing address
5012 S US Highway 75 Ste 300, Attn. Billing
Denison, TX 750204589

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 9, 2017
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Texas #J6564
Medicaid (2)
TX #132015209 · OK #200217220A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447287057. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,971
Distinct HCPCS
10
Medicare allowed
$394,522
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,157 857 $122
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 783 599 $8
J2785 Injection, regadenoson, 0.1 mg 288 71 $54
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 277 260 $14
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 253 247 $178
99442 Telephone medical discussion with physician, 11-20 minutes 234 204 $86
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 216 104 $21
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 191 189 $66
99204 New patient office or other outpatient visit, 45-59 minutes 186 186 $160
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 169 83 $29

In context: peer comparison

Among 3 peers in Denison Interventional Cardiology Physician, average services per provider: 168. This provider delivers 30× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,789
Transactions
62
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Heartflow, INC. 9 $315.37
E.R. Squibb & Sons, L.L.C. 18 $278.45
CVRx, INC. 3 $176.25
Boston Scientific Corporation 1 $147.69
Merck Sharp & Dohme LLC 7 $140.01
Scpharmaceuticals INC. 5 $99.54
Philips North America LLC 1 $96.46
Lexicon Pharmaceuticals, INC. 1 $96.39
Abbott Laboratories 4 $81.39
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $64.90
Janssen Pharmaceuticals, INC 3 $59.85
Novartis Pharmaceuticals Corporation 2 $45.72
Medtronic, INC. 2 $40.20
Silk Road Medical, INC. 1 $36.98
Novo Nordisk INC 2 $34.60

By nature of payment

Food and Beverage
$1,789

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,945
Patients
999
Total drug cost
$484,563
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 394 102 $435,576
Clopidogrel (Clopidogrel Bisulfate) Brand 282 95 $5,879
Metoprolol Succinate Generic 270 98 $6,636
Carvedilol Generic 219 69 $2,337
Rosuvastatin Calcium Generic 201 75 $4,264
Olmesartan Medoxomil Generic 200 74 $4,883
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 198 77 $8,472
Metoprolol Tartrate Generic 178 61 $1,841
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 171 50 $3,972
Atorvastatin Calcium Generic 170 61 $2,343

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Winston Marshall's medical specialty?
Dr. Winston Marshall practices Interventional Cardiology Physician in Denison, TX.
Where does Dr. Winston Marshall practice?
Dr. Winston Marshall practices at 5012 S US Highway 75, Denison, TX 750204587. Office phone: 9034166325.
What is Dr. Winston Marshall's NPI?
Dr. Winston Marshall's National Provider Identifier (NPI) is 1447287057, issued by NPPES.
Does Dr. Winston Marshall accept Medicare assignment?
Yes. Dr. Winston Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Winston Marshall 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 only (HCPCS 93010); Injection, regadenoson, 0.1 mg (HCPCS J2785). Source: CMS Medicare Physician & Other Practitioners file.