Mallory C. Hatfield, MD
NPI 1790737013ActiveIndividual· Internal Medicine, Cardiovascular Disease· Hyannis, MA
Internal Medicine, Cardiovascular Disease (MD) in Hyannis, Massachusetts, trained at State University of Ny Upstate Medical University (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,772,265 for 7,869 claims, against $963,979 paid for services in 2024. Medtronic, Inc. reported $49.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790737013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Aug 18, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 82138 | MA |
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 - Cardiovascular Disease (Cardiology) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,304 |
|---|---|
| Services billed | 11,000 across 24 procedure codes |
| Paid by Medicare | $963,979 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,869 · 22,289 30-day fills |
|---|---|
| Patients | 1,137 |
| Total drug cost | $1,772,265 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Hospital affiliation
- Cape Cod HospitalHyannis, MA
Industry payments (Open Payments)
- 2025$49.16 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $49.16 | 1 |
What the 2025 payments were for
- Food and Beverage$49.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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