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Edit this profileAt a glance
- 601 Suffolk Ave, Brentwood, NY 11717
About Dr. Passarelli
Based in Brentwood, NY, John G. Passarelli, MD is listed in the NPI registry under ophthalmology. According to Medicare claims data, John cared for 2,734 Medicare patients across 3,540 services. The services billed most often include microfluid analysis of tears, photography of the retina, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1679682702 identifies this record in the national registry.
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
- (631) 231-4455
- Email not available
Practice Locations
601 SUFFOLK AVE
Brentwood, NY 11717
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
- Epiretinal membrane
- Retinal detachment
Eye injuries
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
3,540 services · 2,734 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
124 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
122 | More often than most peers in Ophthalmology |
| Insertion of drug delivery implant into tear duct of eye | Procedure | 68841 |
85 | As often as other peers in Ophthalmology |
| Destruction of growth of retina using a laser | Procedure | 67210 |
69 | More often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
33 | As often as other peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
32 | As often as other peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
17 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
553 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
325 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
199 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Passarelli's specialty?
Dr. Passarelli is an eye doctor in Brentwood, NY. 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. Passarelli?
Dr. Passarelli is listed at 601 Suffolk Ave, Brentwood, NY 11717. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Passarelli?
The number on file is (631) 231-4455. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Passarelli's NPI number?
Dr. Passarelli's National Provider Identifier is 1679682702. 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. Passarelli's medical education?
Dr. Passarelli attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Passarelli been practicing?
Dr. Passarelli has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Passarelli known for?
According to Medicare billing data, Dr. Passarelli performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and insertion of drug delivery implant into tear duct of eye; 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
Has Dr. Passarelli confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Passarelli. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.