Karl J. D'Silva, M.D.
NPI 1598711160ActiveIndividual· Internal Medicine, Hematology & Oncology· Peabody, MA
Internal Medicine, Hematology & Oncology (M.D.) with Lahey Clinic Inc, practicing in Peabody, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $3,493,549 for 953 claims, against $102,221 paid for services in 2024. Astellas Pharma US Inc was the largest of 23 companies reporting payments in 2025, $147,192 in all, mostly speaking and faculty fees. Lists Anna Jaques Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1598711160 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Sep 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 228157 | MA |
| Internal Medicine | 207R00000X | 228157 | MA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 14410 | NH |
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 - Medical Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 1,315 across 15 procedure codes |
| Paid by Medicare | $102,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 953 · 1,223 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $3,493,549 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Lahey Clinic IncBurlington, MA · 1,381 clinicians
Hospital affiliations
- Anna Jaques HospitalNewburyport, MA
- Beth Israel Deaconess Medical CenterBoston, MA
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Northeast Hospital CorporationBeverly, MA
Other facilities
- Beth Israel Lahey Health at HomeHospice · Danvers, MA
Industry payments (Open Payments)
- 2025$147,192 · 207 payments from 23 companies
- 2024$87,481 · 145 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $57,526 | 57 |
| Bayer Healthcare Pharmaceuticals Inc. | $35,293 | 48 |
| Astrazeneca Pharmaceuticals LP | $19,517 | 23 |
| Jazz Pharmaceuticals Inc. | $13,920 | 12 |
| Janssen Biotech, Inc. | $7,527 | 30 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$106,373 · 31 payments
- Consulting Fee$17,271 · 9 payments
- Travel and Lodging$16,773 · 56 payments
- Food and Beverage$6,675 · 110 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records