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Cossari Alfred J MD

📍 311 Barnum Ave, Port Jefferson, NY 11777, United States
[x] Active Centre⭐ 3/5 (10 reviews)📞 +1 631-928-6400⏱️ 3 min read
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Cossari Alfred J MD

Eye Care Provider
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311 Barnum Ave, Port Jefferson, NY 11777, United States Port Jefferson, New York 11777
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PIN Code
11777
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Plus Code
WWVH+X8 Port Jefferson, New York, USA
Verified May 2026
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Cossari Alfred J MD

📞 +1 631-928-6400
📍 311 Barnum Ave, Port Jefferson, NY 11777, United States...
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Customer Reviews
3
★★★☆☆
10 reviews on Google
5★
5
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5
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Victoria Franklin⭐ Local Guide
Dec 08, 2023
★☆☆☆☆
Unfortunately this practice is a huge waste of time. You will be kept waiting for hours - while being shuffled back and forth to the girls handling eyeglasses (I did not need glasses - I was there for a medical eye problem). The staff is unfriendly, although Dr. Cossack is pleasant. The best thing that came from my visits there was a referral to a SightMD office.
RA
Rachael Anne
Apr 20, 2023
★☆☆☆☆
I would not recommend this practice for any pediatric patients, especially if your child has any form of a disability. The utter lack of patience and empathy shown to children is alarming. My daughter is four years old and it was her first visit. The doctor's assistant was very short with her and was getting upset over very simple things; such as when my daughter was sitting in the examiner chair and her legs were not perfectly straight. When it came to the dilation my daughter was very nervous and scared, what four year old would like getting their eyes dilated? The assistant was clearly getting very frustrated when we had to attempt multiple times to get the drops in. After, we were called into the room by the doctor. He started to abruptly shine bright lights and put random objects in front of my daughters eyes without even explaining to her what was going on. This frighted her as she thought it possibly could've been him trying to put something in her eyes again, as she was still fearful from the dilation drops. My daughter was saying "I don't want that, I'm getting scared." As I was trying to reassure her that it was just a simple test to look at the light (which the doctor really should've explained to her in the first place before starting) he then stated "wow she seems to have a lot of behavioral issues, you should get those checked out." The doctor was more concerned about her "behaviors" then actually taking the time to show her patience and empathy, as she was just very nervous for her first optho visit as a four year old. I would highly NOT recommend this practice for any pediatric patients as the extreme lack of patience, care or empathy was shown to my daughter during her first visit.
KN
Kam Nassiri
Nov 08, 2020
★☆☆☆☆
This used to be a good practice. It is now awful with terrible service from booking, examination to invoicing. We wouldn't recommend them to families anymore. Greed has destroyed this practice. They have zero consideration for patients. Service is slow and inadequate. There are many better practices nearby.
NG
Nadine Greenberg⭐ Local Guide
Nov 06, 2023
★☆☆☆☆
It doesn't matter how good you are at your profession if you have no consideration for other people's precious time. 2 hours to finally be seen without even dilation is unreasonable. This destroyed our entire day and there wasn't even an apology. It's not the first time but it will be the last. We are leaving the practice.
J
Janine⭐ Local Guide
Mar 02, 2023
★★★★★
Dr. Cossari is an Amazing Doctor! My daughter just had surgery and I'm extremely happy I chose him to perform this surgery. Dr. Cossari is Extremely knowledgeable and is Amazing with kids!
GD
gotlegvX dutlimiNgvquaagve
Dec 09, 2025
★★★★★
Did my surgery about 20 years ago and saved my eyesight
D
Dawn⭐ Local Guide
Apr 01, 2022
★★★★★
Dr. Cossari is the absolute best eye doctor. He saved me. He gave me my quality of life back. I highly recommend him and trust him.
DW
Debra Wolf
Feb 18, 2017
★★★★★
Been going here since I was a kid and now my son goes here. Best pediatric eye doctor on Long Island (in my opinion).
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📈Quick Comparison: Top Eye Clinics in Port Jefferson
NameRatingPhoneLink
Cossari Alfred J MD Current⭐ 3 (10)✅ YesView Details
OCLI Vision Port Jefferson ⭐ 4.8 (922)✅ YesView Details
Dr. Anzhelika Vaccaro, MD ⭐ 4 (9)✅ YesView Details

Comparison based on verified Google Maps data and user reviews.

[?]Frequently Asked Questions
Where is Cossari Alfred J MD located? +
Cossari Alfred J MD is at 311 Barnum Ave, Port Jefferson, NY 11777, United States, Port Jefferson, New York 11777.
What services does Cossari Alfred J MD offer? +
Cossari Alfred J MD provides comprehensive eye care including services for this business. Call +1 631-928-6400 for specific service availability.
What are the opening hours of Cossari Alfred J MD? +
Cossari Alfred J MD is open business hours. Open all days.
Does Cossari Alfred J MD accept walk-in patients? +
Cossari Alfred J MD in Port Jefferson accepts both appointments and walk-ins, though appointments are recommended for specialized services.
What is the average consultation fee at Cossari Alfred J MD? +
Consultation fees vary by service at Cossari Alfred J MD. Basic eye exams typically start from $50 to $150 in Port Jefferson, while specialized treatments and surgeries may cost more.
Is Cossari Alfred J MD equipped for emergency eye care? +
Cossari Alfred J MD provides emergency eye care services for conditions like eye injuries, sudden vision loss, or severe eye pain during operating hours.

About Cossari Alfred J MD

Cossari Alfred J MD is a verified business in Port Jefferson, New York.

How to Get Help at Cossari Alfred J MD

To visit Cossari Alfred J MD in Port Jefferson, call +1 631-928-6400 to schedule an appointment or walk in during business hours. Bring your medical history and any current eyeglasses or contact lenses.

Why Choose a Verified Eye Clinic in Port Jefferson?

Choosing a verified eye clinic like Cossari Alfred J MD in Port Jefferson ensures you receive professional care from qualified specialists using modern equipment and approved treatment methods.

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🛡Editorial Verification
9.8/10
Trust Score: Excellent
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📍Nearby Centres
Eye care center · ★4.8 (922)
1.8 km away
5.3 km away
Ophthalmologist · ★3.2 (11)
423 m away
Pediatric ophthalmologist · ★5 (2)
1.7 km away
Verified Eye Clinic Listing This listing has been verified for accuracy of contact details, professional credentials, and active operation status.
Registry Code: GBP-VET Last Vetted: May 2026

Google Place ID: ChIJD7IwvGVA6IkRGYH6nkxeT38