Ernesto Dasilva, MD
NPI 1487600268ActiveIndividual· Internal Medicine· Lynn, MA
Internal Medicine (MD) with Mass General Brigham Medical Group Northern Massachusetts Inc, practicing in Lynn, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $271,126 for 7,222 claims, against $79,240 paid for services in 2024. Lists Brigham and Women's Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1487600268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Aug 10, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 203872 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 375 |
|---|---|
| Services billed | 905 across 19 procedure codes |
| Paid by Medicare | $79,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,222 · 17,565 30-day fills |
|---|---|
| Patients | 634 |
| Total drug cost | $271,126 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Care Dimensions, IncHospice · Danvers, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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