Mark Howard Drazner, MD
NPI 1285699009ActiveIndividual· Internal Medicine, Advanced Heart Failure and Transplant Cardiology· Dallas, TX
Internal Medicine, Advanced Heart Failure and Transplant Cardiology (MD) in Dallas, Texas, trained at Washington University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $57,689 for 296 claims, against $22,875 paid for services in 2024.
Overview
| NPI | 1285699009 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 18, 2006 |
| Last updated in NPPES | Jan 22, 2026 |
| Certified by provider | Jan 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology Primary | 207RA0001X | H8012 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | H8012 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Advanced Heart Failure and Transplant Cardiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 409 across 19 procedure codes |
| Paid by Medicare | $22,875 |
Part D prescriptions in 2024
| Prescriptions (claims) | 296 · 627 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $57,689 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Advanced Heart Failure And Transplant Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Hospital affiliation
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Advanced Heart Failure and Transplant Cardiology providers in Dallas
- 1972846285
- 1588906986
- 1205045184
- 1033118278
- 1700976974
- 1386855922
- 1750511820
- 1912961145
- 1174849566
- 1043606502
- 1518353911
- 1326571902
All Internal Medicine, Advanced Heart Failure and Transplant Cardiology providers in Texas →