Sydney B. Montesi, MD
NPI 1124287586ActiveIndividual· Internal Medicine· Boston, MA
Internal Medicine (MD) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $271,178 for 107 claims, against $11,438 paid for services in 2024. Amgen Inc. reported $1,971 in payments in 2025, mostly consulting fees. Lists Massachusetts General Hospital as a hospital affiliation.
Overview
| NPI | 1124287586 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2008 |
| Last updated in NPPES | Jun 2, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L-236082 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 109 across 15 procedure codes |
| Paid by Medicare | $11,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 107 · 150 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $271,178 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliation
- Massachusetts General HospitalBoston, MA
Other facilities
- Care Dimensions, IncHospice · Danvers, MA
Industry payments (Open Payments)
- 2025$1,971 · 1 payment from 1 company
- 2024$45.63 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $1,971 | 1 |
What the 2025 payments were for
- Consulting Fee$1,971 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 2,375 internal medicine physicians in Boston · All internal medicine physicians in Massachusetts