Mark Webster Maxfield, M.D.
NPI 1073757001ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Worcester, MA
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Worcester, Massachusetts, trained at Columbia University College of Physicians and Surgeons (class of 2009). Mostly services rather than prescriptions: Medicare paid $65,623 for 169 patients in 2024, with only 28 Part D claims. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $5,282 in all, mostly education.
Overview
| NPI | 1073757001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 21, 2009 |
| Last updated in NPPES | Nov 5, 2020 |
| Certified by provider | Nov 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 269488 | MA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 360 across 53 procedure codes |
| Paid by Medicare | $65,623 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28 · 40 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $258.63 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Milford Regional Medical CenterMilford, MA
- St Vincent HospitalWorcester, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$5,282 · 9 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $5,128 | 8 |
| Medtronic, Inc. | $154.34 | 1 |
What the 2025 payments were for
- Education$4,000 · 2 payments
- Travel and Lodging$1,082 · 4 payments
- Food and Beverage$200.31 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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