# Gregory Persak, M.D., F.A.C.S., West Islip NY: Reviews Source: Local AI Registry, https://localairegistry.com/biz/ny/west-islip/gregory-persak-m-d-f-a-c-s-west-islip-ny. Free to reuse with a link back. By Steve Lee, founder and CEO of Local AI Registry. Updated 2026-11-02. Canonical: https://localairegistry.com/biz/ny/west-islip/gregory-persak-m-d-f-a-c-s-west-islip-ny ## In short Gregory Persak, M.D., F.A.C.S. is an eye care center in West Islip, NY. Its AI Score is 62 of 100, which is fair. What each mark on this page means: https://localairegistry.com/methodology#marks ## Key facts | Fact | Value | | --- | --- | | Type | Eye care center | | Address | 360 Montauk Hwy, West Islip, NY 11795, USA | | Hours | Mon 9 AM to 7 PM · Tue 8 AM to 7 PM · Wed to Thu 9 AM to 7 PM · Fri 8 AM to 5 PM · Sat 8 AM to 3 PM · Closed Sun | | Phone | (631) 422-1110 | | Rating | 5.0 across 69 reviews on Google | | Updated | November 2, 2026 | ## All the details Every row is something the owner can add or correct. Each one is marked Confirmed, Visitor submitted or AI guess, with where it came from. | Group | Fact | Value | Mark | Evidence | | --- | --- | --- | --- | --- | | Location info | Address | 360 Montauk Hwy, West Islip, NY 11795, USA | Confirmed | Google Business Profile | | Location info | Description | 360 Montauk Hwy, West Islip, NY 11795 | Confirmed | Google Business Profile | | Location info | Hours | Mon 9:00 AM to 7:00 PM · Tue 8:00 AM to 7:00 PM · Wed to Thu 9:00 AM to 7:00 PM · Fri 8:00 AM to 5:00 PM · Sat 8:00 AM to 3:00 PM · Sun Closed | Confirmed | Google Business Profile | | Location info | Name | Gregory Persak, M.D., F.A.C.S. | Confirmed | Google Business Profile | | Location info | Phone | (631) 422-1110 | Confirmed | Google Business Profile | | Hours | Monday | 9:00 AM to 7:00 PM | Confirmed | Google Business Profile | | Hours | Tuesday | 8:00 AM to 7:00 PM | Confirmed | Google Business Profile | | Hours | Wednesday | 9:00 AM to 7:00 PM | Confirmed | Google Business Profile | | Hours | Thursday | 9:00 AM to 7:00 PM | Confirmed | Google Business Profile | | Hours | Friday | 8:00 AM to 5:00 PM | Confirmed | Google Business Profile | | Hours | Saturday | 8:00 AM to 3:00 PM | Confirmed | Google Business Profile | | Hours | Sunday | Closed | Confirmed | Google Business Profile | | Services | Service | Cataracts | From their website | Business website | | Services | Service | Cataract surgery methods | From their website | Business website | | Services | Service | Contact lenses | From their website | Business website | | Services | Service | Diabetes diabetic eye disease | From their website | Business website | | Services | Service | Diabetic eye disease treatment | AI guess | | | Services | Service | Eye education | From their website | Business website | | Services | Service | Eye exams | From their website | Business website | | Services | Service | Lasik surgery | From their website | Business website | | Services | Service | Macular degeneration | From their website | Business website | | Services | Service | Order contact lens | From their website | Business website | | Services | Service | Painless retina injections | From their website | Business website | | Services | Service | Retina | From their website | Business website | | Links | Facebook | https://www.facebook.com/thecenterforeyecare | AI guess | Business website | | Links | Instagram | https://www.instagram.com/center4eyecare | AI guess | Business website | | Links | Website | http://www.cecopt.com/ | Confirmed | Google Business Profile | | Links | Yelp | https://www.yelp.com/biz/the-center-for-eye-care-and-optical-west-islip | AI guess | Business website | ## Services and prices These are the 11 services Gregory Persak, M.D., F.A.C.S offers, with the price where we have one and where it came from. | Service | Price | Price mark | Price evidence | Service mark | | --- | --- | --- | --- | --- | | Cataract surgery methods | | | | From their website | | Contact lenses | | | | From their website | | Eye education | | | | From their website | | Eye exams | | | | From their website | | LASIK surgery | | | | From their website | | Order contact lens | | | | From their website | | Painless retina injections | | | | From their website | | Macular degeneration | | | | From their website | | Diabetes diabetic eye disease | | | | From their website | | Retina | | | | From their website | | Cataracts | | | | From their website | ### Known for Share your review link so AI can say what you're known for ## The team Add your team so AI can name who works here ## Visiting Gregory Persak, M.D., F.A.C.S Address: 360 Montauk Hwy, West Islip, NY 11795, USA. Phone: (631) 422-1110. Hours: Mon 9 AM to 7 PM · Tue 8 AM to 7 PM · Wed to Thu 9 AM to 7 PM · Fri 8 AM to 5 PM · Sat 8 AM to 3 PM · Closed Sun. (Confirmed, Google Business Profile.) ### Parking and getting in Add your parking so AI can tell people where to park Add how to find your door so AI can walk people in ### Nearby | Place | Type | Distance | | --- | --- | --- | | Atlantis Diner | Diner | 1 min walk | | Besito Mexican Restaurant - West Islip NY | Mexican restaurant | 2 min walk | | Hawleys Place Park | Park | 3 min walk | | Montauk Hwy/Evelyn Rd | Bus stop | 4 min walk | | Bella Cucina Pizzeria Restaurant | Pizza restaurant | 4 min walk | | Montauk Hwy/Sequams Ln | Bus stop | 4 min walk | ## Reputation 5.0 average across 69 reviews: Google 69. (Confirmed, read July 16, 2026.) Dr. Persak is renowned for his expertise in cataract surgery, delivering exceptional results and patient care. (AI guess, from 69 reviews.) ### What people like - Thorough and professional eye exams - Caring and knowledgeable staff ### Press Add a press story so AI can say who's written about you ### Awards Add an award so AI can name it ### Directories Get listed in directories so AI can tell you're real ## Questions people ask ### do regulars get anything here ### anyone been to both here and SightMD? ### Booking here, how does it work? ### Worth the hype at Gregory Persak, M.D., F.A.C.S? ### does it hurt, and can you ask for numbing ### opening hours at Gregory Persak, M.D., F.A.C.S in West Islip, what are they these days? ### Finance options, anyone used them? ### going rate for eye doctors locally, any idea ### services here, what do people go in for? ### genuinely, what is good about this one ### Gregory Persak, M.D., F.A.C.S, any chance to book in this week? ### best ophthalmologist in West Islip ### On a budget in West Islip, is Gregory Persak, M.D., F.A.C.S the one? ### anything new from Gregory Persak, M.D., F.A.C.S lately? ### parking at Gregory Persak, M.D., F.A.C.S, where does everyone put the car? ### planning a Sunday visit, is that a wasted trip ### Is Gregory Persak, M.D., F.A.C.S run by medical people? ## The AI Score: 62 of 100 It measures how likely AI engines are to recommend a business, and how accurately. West Islip eye care centers run 47 to 62. Fair starts at 45, good at 65. Gregory Persak, M.D., F.A.C.S scores 62. The same method scores every business on the registry. | Signal | Weight | Score | What it measures | Gregory Persak, M.D., F.A.C.S | | --- | --- | --- | --- | --- | | Retrieval grounding | 26 | 100 | Whether you appear in the ranked results AI retrieves and cites: AI-Overview citations, organic top-10 for your money queries, and the Bing index ChatGPT leans on. | Good | | Off-property attestation | 20 | 40 | Volume and consistency of what others say about you: YouTube mentions, branded web mentions, third-party “best-of” lists. The cause of retrievability. | Poor | | AI visibility | 14 | 33 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Poor | | Reviews & response | 12 | 83 | The star average is only one input. We also read volume, velocity, the specificity of review language, and response cadence. Specific reviews are what AI quotes verbatim. | Good | | Backlink & citation authority | 8 | 57 | Domain authority and editorial quality of the sources that attest to you. | Fair | | Google Business Profile | 8 | 79 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good | | Speed & mobile | 7 | 73 | Core Web Vitals at the 75th percentile, on a real phone. | Good | | Content freshness & schema | 5 | 61 | Crawl recency, intent alignment, valid JSON-LD, canonicals. | Fair | Full method: https://localairegistry.com/methodology How AI decides what to say about an eye care center: https://localairegistry.com/methodology#how-ai-decides-eye-surgery. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-eye-surgery ## Entity map Every person, place, organization and treatment named on this page, with a stable ID and a public reference. The JSON-LD below connects them to each other. | Entity | Type | ID on this page | Same as | Relationship to Gregory Persak, M.D., F.A.C.S | | --- | --- | --- | --- | --- | | Gregory Persak, M.D., F.A.C.S. | MedicalBusiness | #business | http://www.cecopt.com/ | Subject of this page | | West Islip, New York | City | #city | | City Gregory Persak, M.D., F.A.C.S is in | | Local AI Registry | Organization | #publisher | https://localairegistry.com | Publisher of this page | | Steve Lee | Person | #author | https://localairegistry.com/team/steve-lee | Author of this page | ## Topical map Where this page sits in the registry. It's one profile among the eye care centers in West Islip, linked to the lists and towns around it. ### Lists - Best eye care centers in West Islip: https://localairegistry.com/leaderboards/ny/west-islip/eye-care-center - Best businesses in West Islip: https://localairegistry.com/leaderboards/ny/west-islip ### Nearby - /new-york: https://localairegistry.com/leaderboards/ny/new-york - /poughkeepsie: https://localairegistry.com/leaderboards/ny/poughkeepsie - /middletown: https://localairegistry.com/leaderboards/ny/middletown - /flushing: https://localairegistry.com/leaderboards/ny/flushing - /kingston: https://localairegistry.com/leaderboards/ny/kingston - /huntington: https://localairegistry.com/leaderboards/ny/huntington ### Every list - Every leaderboard in New York: https://localairegistry.com/leaderboards/ny ## References ### Sources cited - [1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJRUqpGNPS6YkR-UqjlEMfMhE (accessed Jul 16, 2026) - [2] cecopt.com, https://www.cecopt.com/cataract-surgery.html (accessed Sep 18, 2026) - [3] cecopt.com, https://www.cecopt.com/cataract-surgery-methods.html (accessed Sep 18, 2026) - [4] cecopt.com, https://www.cecopt.com/contact-lenses.html (accessed Sep 18, 2026) - [5] cecopt.com, https://www.cecopt.com/diabetes-diabetic-eye-disease.html (accessed Sep 18, 2026) - [6] cecopt.com, https://www.cecopt.com/retina.html (accessed Sep 18, 2026) - [7] cecopt.com, https://www.cecopt.com/cataracts.html (accessed Sep 18, 2026) - [8] cecopt.com, https://www.cecopt.com/eye-education.html (accessed Sep 18, 2026) - [9] cecopt.com, https://www.cecopt.com/eye-exams.html (accessed Sep 18, 2026) - [10] cecopt.com, https://www.cecopt.com/lasik-surgery.html (accessed Sep 18, 2026) - [11] cecopt.com, https://www.cecopt.com/macular-degeneration.html (accessed Sep 18, 2026) - [12] cecopt.com, https://www.cecopt.com/order-contact-lens.html (accessed Sep 18, 2026) - [13] cecopt.com, https://www.cecopt.com/painless-retina-injections.html (accessed Sep 18, 2026) - [14] AI engine output: ChatGPT and Gemini, read by Local AI Registry on Oct 29, 2026; Perplexity, read by Local AI Registry on Jul 21, 2026; ChatGPT and Perplexity via DataForSEO on Oct 29, 2026, https://localairegistry.com/methodology (accessed Sep 18, 2026) - [15] cecopt.com, http://www.cecopt.com/ (accessed Oct 29, 2026)