Mark I. Block, MD
NPI 1720071228ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Hollywood, FL
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Hollywood, Florida, trained at Yale University School of Medicine (class of 1987). Mostly services rather than prescriptions: Medicare paid $58,882 for 245 patients in 2024, with only 43 Part D claims. Pleural Dynamics Inc. was the largest of 3 companies reporting payments in 2025, $1,959 in all, mostly travel and lodging.
Overview
| NPI | 1720071228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Mar 16, 2021 |
| Certified by provider | Mar 16, 2021 |
| Reactivated | Apr 5, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | ME91707 | FL |
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 - Thoracic Surgery (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 245 |
|---|---|
| Services billed | 518 across 59 procedure codes |
| Paid by Medicare | $58,882 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 43 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $489.68 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- South Broward Hospital DistrictHollywood, FL · 674 clinicians
Hospital affiliations
- Boca Raton Regional HospitalBoca Raton, FL
- Memorial Hospital MiramarMiramar, FL
- Memorial Hospital PembrokePembroke Pines, FL
- Memorial Hospital WestPembroke Pines, FL
- Memorial Regional HospitalHollywood, FL
Industry payments (Open Payments)
- 2025$1,959 · 13 payments from 3 companies
- 2024$614.40 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pleural Dynamics Inc. | $1,926 | 11 |
| Tempus Ai, Inc | $18.12 | 1 |
| Intuitive Surgical, Inc. | $15.00 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,309 · 3 payments
- Food and Beverage$530.03 · 9 payments
- Gift$120.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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