John W. Duncan, MD
NPI 1396844064ActiveIndividual· Internal Medicine, Cardiovascular Disease· Plano, TX
Internal Medicine, Cardiovascular Disease (MD) in Plano, Texas, trained at University of Nebraska College of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $1,399,364 for 7,367 claims, against $234,851 paid for services in 2024. Pfizer Inc. was the largest of 21 companies reporting payments in 2025, $1,559 in all, mostly food and beverage.
Overview
| NPI | 1396844064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | May 18, 2023 |
| Certified by provider | May 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | J3459 | TX |
| Nuclear Medicine, Nuclear Cardiology | 207UN0901X | J3459 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,536 |
|---|---|
| Services billed | 4,059 across 44 procedure codes |
| Paid by Medicare | $234,851 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,367 · 20,063 30-day fills |
|---|---|
| Patients | 770 |
| Total drug cost | $1,399,364 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Heartplace PLLCPlano, TX · 91 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$1,559 · 70 payments from 21 companies
- 2024$1,884 · 77 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $340.63 | 19 |
| Novartis Pharmaceuticals Corporation | $239.49 | 9 |
| Merck Sharp & Dohme LLC | $140.10 | 7 |
| E.R. Squibb & Sons, L.L.C. | $132.28 | 5 |
| Imperative Care, Inc | $91.04 | 1 |
What the 2025 payments were for
- Food and Beverage$1,559 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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