Physician Profile
Based in Johnston, RI, Giulio G. Diamante, MD is listed in the NPI registry under ophthalmology. Giulio graduated from Boston University School of Medicine in 1993. According to Medicare claims data, Giulio cared for 2,036 Medicare patients across 2,839 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, photography of the retina, and established patient complete exam of visual system.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1277 HARTFORD AVE
Johnston, RI 02919
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
2,839 services · 2,036 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
308 | More than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
131 | More than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
56 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
54 | More often than most peers in Ophthalmology |
| Incision to improve eye fluid flow | Procedure | 65820 |
39 | More often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
31 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
26 | More often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
17 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
11 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
412 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Diamante is an eye doctor in Johnston, RI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Dr. Diamante is listed at 1277 Hartford Ave, Johnston, RI 02919. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (401) 521-3606. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Diamante's National Provider Identifier is 1851379812. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Diamante attended Boston University School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Diamante has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Diamante performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as photography of the retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Diamante. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.