Winston Marshall, M.D.
NPI 1447287057 · Interventional Cardiology Physician · Denison, TX
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winston Marshall, M.D. is a Interventional Cardiology Physician provider in Denison, TX (NPI 1447287057).
Provider details
- NPI number
- 1447287057
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J6564 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,502 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,249 | $122 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 1,121 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 971 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 319 | $173 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 258 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 517 | 128 |
| Metoprolol Succinate | 373 | 129 |
| Olmesartan Medoxomil | 297 | 105 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 287 | 94 |
| Rosuvastatin Calcium | 245 | 89 |
| Carvedilol | 213 | 72 |
| Diltiazem Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,789 across 66 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2017-10-09
Frequently asked questions
- What is Winston Marshall's NPI number?
- Winston Marshall's National Provider Identifier (NPI) is 1447287057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winston Marshall's specialty?
- Winston Marshall is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Winston Marshall located?
- Winston Marshall's practice location on file with NPPES is 5012 S US Highway 75, Denison, TX 75020-4587.
- What is Winston Marshall's phone number?
- The practice phone number listed in the NPPES registry for Winston Marshall is (903) 416-6325.
- Does Winston Marshall accept Medicare?
- Winston Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winston Marshall's NPI active?
- Yes — Winston Marshall's NPI (1447287057) is active in the NPPES registry as of the last update on 2017-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.