Giulio G. Diamante, MD
NPI 1851379812ActiveIndividual· Ophthalmology· Johnston, RI
Ophthalmology (MD) in Johnston, Rhode Island, trained at Boston University School of Medicine (class of 1993). In 2024 Medicare paid $301,814 for 663 patients, and Part D covered 4,765 of their prescriptions, 67% of them generic. Glaukos Corporation was the largest of 8 companies reporting payments in 2025, $1,077 in all, mostly food and beverage.
Overview
| NPI | 1851379812 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 9, 2006 |
| Last updated in NPPES | Jul 21, 2020 |
| Certified by provider | Jul 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD09553 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (MA); Practitioner - Ophthalmology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 663 |
|---|---|
| Services billed | 2,909 across 36 procedure codes |
| Paid by Medicare | $301,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,765 · 7,257 30-day fills |
|---|---|
| Patients | 1,092 |
| Total drug cost | $335,280 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Ophthalmology |
Medical groups
- Lifespan Physician Group IncProvidence, RI · 1,173 clinicians
- Giulio G Diamante MD IncJohnston, RI · 4 clinicians
Hospital affiliation
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2025$1,077 · 26 payments from 8 companies
- 2024$2,319 · 32 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $408.92 | 3 |
| Alcon Vision LLC | $272.92 | 14 |
| Tarsus Pharmaceuticals, Inc. | $148.03 | 2 |
| New World Medical,inc. | $133.26 | 2 |
| Abbvie Inc. | $36.65 | 2 |
What the 2025 payments were for
- Food and Beverage$1,077 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Johnston
- 1770761660
- 1609272459
- 1013902816
- 1851755995