Darren Keith McGuire, MD
NPI 1336106715ActiveIndividual· Internal Medicine, Cardiovascular Disease· Dallas, TX
Internal Medicine, Cardiovascular Disease (MD) in Dallas, Texas, trained at Johns Hopkins University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $22,510 for 65 claims, against $6,494 paid for services in 2024. Novo Nordisk As was the largest of 11 companies reporting payments in 2025, $89,727 in all, mostly consulting fees.
Overview
| NPI | 1336106715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 28, 2006 |
| Last updated in NPPES | Jan 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | J6580 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 68 |
|---|---|
| Services billed | 87 across 14 procedure codes |
| Paid by Medicare | $6,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 125 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $22,510 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Hospital affiliation
- Parkland Health & Hospital SystemDallas, TX
Industry payments (Open Payments)
- 2025$89,727 · 48 payments from 11 companies
- 2024$162,597 · 61 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk As | $39,120 | 10 |
| Eli Lilly and Company | $9,750 | 8 |
| Lexicon Pharmaceuticals, Inc. | $7,877 | 7 |
| F. Hoffmann-La Roche Ag | $6,440 | 1 |
| Amgen Inc. | $6,397 | 7 |
What the 2025 payments were for
- Consulting Fee$74,112 · 23 payments
- Travel and Lodging$14,341 · 11 payments
- Food and Beverage$1,024 · 13 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$250.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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