Margaret Blair Marshall, MD
NPI 1295723724ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Boston, MA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Boston, Massachusetts, trained at Georgetown University School of Medicine (class of 1991). Medicare paid $110,336 for services to 129 patients in 2024. Ethicon Inc. was the largest of 9 companies reporting payments in 2025, $18,829 in all, mostly consulting fees.
Overview
| NPI | 1295723724 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 10, 2005 |
| Last updated in NPPES | Jul 12, 2023 |
| Certified by provider | Jul 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 81394 | MA |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | MD034997 | DC |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | ME163715 | 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 | 129 |
|---|---|
| Services billed | 395 across 57 procedure codes |
| Paid by Medicare | $110,336 |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Thoracic Surgery |
Medical group
- Smh Physician Services IncSarasota, FL · 784 clinicians
Hospital affiliations
- Sarasota Memorial HospitalSarasota, FL
- Sarasota Memorial Hospital - VeniceNorth Venice, FL
Other facilities
- Empath Home HealthHome health agency · Fort Myers, FL
Industry payments (Open Payments)
- 2025$18,829 · 65 payments from 9 companies
- 2024$8,587 · 25 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon Inc. | $11,646 | 5 |
| Intuitive Surgical, Inc. | $6,717 | 49 |
| Medtronic, Inc. | $146.12 | 1 |
| Atricure, Inc. | $126.84 | 1 |
| Astrazeneca Pharmaceuticals LP | $70.52 | 2 |
What the 2025 payments were for
- Consulting Fee$10,987 · 1 payment
- Travel and Lodging$6,932 · 42 payments
- Food and Beverage$910.22 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Massachusetts →