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Edit this profileAt a glance
- 1012 95Th St Ste 9, Naperville, IL 60564
About Dr. Grassi
Michael A. Grassi, MD is a healthcare provider in Naperville, IL specializing in ophthalmology. Michael trained at Northwestern University Feinberg Medical School, graduating in 1999. Michael is also listed as specializing in ophthalmology — retina specialist. Medicare claims data shows Michael provided 7,917 services to 2,377 patients. The services billed most often include injection, aflibercept, 1 mg, imaging of retina, and injection of drug into eye. This provider record is associated with NPI 1689666885.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (630) 995-3465
- Email not available
Practice Locations
1012 95TH ST STE 9
Naperville, IL 60564
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
7,917 services · 2,377 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,000 | More often than most peers in Ophthalmology |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
21 | More often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
364 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,740 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
649 | More than most peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
356 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
224 | More often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
177 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
157 | As often as other peers in Ophthalmology |
| Exam of blood vessels between the white part of eye and retina using a special camera after injection of a dye | Treatment | 92240 |
130 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Naperville 8
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1999 at Northwestern University Feinberg Medical School 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Grassi's specialty?
Dr. Grassi is an eye doctor in Naperville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Grassi?
Dr. Grassi is listed at 1012 95Th St Ste 9, Naperville, IL 60564. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grassi?
The number on file is (630) 995-3465. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Grassi?
Dr. Grassi's National Provider Identifier is 1689666885. 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
What is Dr. Grassi's medical education?
Dr. Grassi attended Northwestern University Feinberg Medical School, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grassi have?
Dr. Grassi has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grassi known for?
According to Medicare billing data, Dr. Grassi performs procedures including injection of drug into eye and photocoagulation treatment to prevent detachment of retina; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and exam of visual field with extended testing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grassi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grassi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.