Giulio G. Diamante, MD
Ophthalmology Physician · Johnston, RI
Giulio G. Diamante, MD is an ophthalmology physician with a practice address in Johnston, Rhode Island, and NPI 1851379812, issued on Jan 9, 2006. Check the license (Rhode Island MD09553, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Giulio G. Diamante
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD09553 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1277 Hartford Ave, Johnston, RI 02919
- Phone
- (401) 521-3606
- Enumerated
- Jan 9, 2006
- Record last updated
- Jul 21, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (401) 453-3288
- Medicaid IDs
- 0179060 MA
9020628 RI - Medicare enrollment
- Enrolled (PECOS I20090204000494); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1993
- Entity
- Type 1 · individual
Also registered at 1277 Hartford Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sherri Blennerhassett, ODOptometrist1922058296
- Meghan Ghazal, ODOptometrist1295422020
- Eric Prytula, O.D.Optometrist1972935039
Verify Giulio G. Diamante in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD09553Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,765 Medicare Part D claims for 1,092 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost868 claims
- Prednisolone Acetate841 claims
- Ofloxacin574 claims
- Dorzolamide-Timolol365 claims
- Ketorolac Tromethamine260 claims
- Timolol Maleate227 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,318.50
32 payments; by number, the most common kind was food and beverage; the largest payer was Aesculap, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Giulio G Diamante MD IncJohnston, RI
- Lifespan Physician Group IncProvidence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Rhode Island
There are 85 ophthalmology physician records in Rhode Island.
Other ophthalmology physician records in Rhode Island
- Eleftherios Alexandrou, M.D.Woonsocket, RI1912168352
- William Andreoni, OPHTHALMOLOGISTJohnston, RI1013902816
- Sarah Anis, MDProvidence, RI1225276678
- Reid Appleby, M.D.East Greenwich, RI1912277468
- Ira Asher, MDSouth Kingstown, RI1356395610
- Robert Bahr, MDProvidence, RI1548246382
- Julie Boehm, M.D.Providence, RI1609161165
- Octavio Borges, MDNewport, RI1619949310
- Peter Brasch, MDSmithfield, RI1023009404
- Richard Bryan, MDProvidence, RI1366428120
Common questions
What is Giulio G. Diamante, MD's NPI number?
Giulio G. Diamante, MD's National Provider Identifier (NPI) is 1851379812, issued on Jan 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Giulio G. Diamante, MD located?
The NPPES record lists a practice address at 1277 Hartford Ave, Johnston, RI, 02919. Phone: (401) 521-3606. Providers update this record themselves, so call before visiting.
How can I verify Giulio G. Diamante, MD's license?
NPPES lists Rhode Island license number MD09553, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Giulio G. Diamante, MD prescribe under Medicare Part D?
In 2024, Giulio G. Diamante, MD had 4,765 Medicare Part D claims for 1,092 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.