# Herndon Surgery Center, Fresno CA: Colonoscopy Reviews Source: Local AI Registry, https://localairegistry.com/biz/ca/fresno/herndon-surgery-center-fresno-ca. Free to reuse with a link back. By Steve Lee, founder and CEO of Local AI Registry. Updated 2026-09-08. Canonical: https://localairegistry.com/biz/ca/fresno/herndon-surgery-center-fresno-ca ## Photos - ![Photo 1](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtt5pwmg0b2uyeelusl0urv4%2F0.jpg) - ![Photo 2](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtt5pwmg0b2uyeelusl0urv4%2F1.jpg) - ![Photo 3](https://localairegistry.com/api/photo?src=https%3A%2F%2Fseoaesthetic-assets.sfo3.cdn.digitaloceanspaces.com%2Fphotos%2Fcmtt5pwmg0b2uyeelusl0urv4%2F2.jpg) ## In short Herndon Surgery Center is a surgical center in Fresno, CA. Its AI Score is 48 of 100, which is fair. What each mark on this page means: https://localairegistry.com/methodology#marks ## Key facts | Fact | Value | | --- | --- | | Type | Surgical center | | Address | 1843 E Fir Ave #104, Fresno, CA 93720, USA | | Phone | (559) 323-6611 | | Rating | 4.5 across 33 reviews on Google | | Known for | Colonoscopy | | Updated | September 8, 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 | 1843 E Fir Ave #104, Fresno, CA 93720, USA | Confirmed | Google Business Profile | | Location info | Description | 1843 E Fir Ave #104, Fresno, CA 93720 | Confirmed | Google Business Profile | | Location info | Name | Herndon Surgery Center | Confirmed | Google Business Profile | | Location info | Phone | (559) 323-6611 | Confirmed | Google Business Profile | | Services | Service | Colonoscopy | From their website | Business website | | Services | Service | Inner header | From their website | Business website | | Services | Service | Main header | From their website | Business website | | Services | Service | Nerve blocks | From their website | Business website | | Services | Service | Procedure specific information | From their website | Business website | | Services | Service | Questionnaire | From their website | Business website | | Services | Service | Radiofrequency ablations | From their website | Business website | | Services | Service | Spinal cord stimulator insertion | From their website | Business website | | Services | Service | Upper endoscopy | From their website | Business website | | Services | Service | Vertiflex insertion | From their website | Business website | | Links | Website | https://herndonsurgerycenter.com/ | Confirmed | Google Business Profile | ## Services and prices These are the 10 services Herndon offers, with the price where we have one and where it came from. | Service | Price | Price mark | Price evidence | Service mark | | --- | --- | --- | --- | --- | | Colonoscopy | | | | From their website | | Main header | | | | From their website | | Nerve blocks | | | | From their website | | Procedure specific information | | | | From their website | | Questionnaire | | | | From their website | | Spinal cord stimulator insertion | | | | From their website | | Inner header | | | | From their website | | Radiofrequency ablations | | | | From their website | | Upper endoscopy | | | | From their website | | Vertiflex insertion | | | | From their website | ### Known for - Colonoscopy: 20% of reviews (AI guess) ## The team Add your team so AI can name who works here ## Visiting Herndon Add your hours so AI can say when you're open Address: 1843 E Fir Ave #104, Fresno, CA 93720, USA. Phone: (559) 323-6611. (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 | | --- | --- | --- | | Me-n-Ed's Pizzeria | Pizza restaurant | 4 min walk | | Jowli's Filipino Cuisine | Filipino restaurant | 4 min walk | | Sher-E-Punjab Restaurant & Catering | Indian restaurant | 4 min walk | | Tahoe Joe's | Steak house | 4 min walk | | Casa Corona | Mexican restaurant | 4 min walk | | Viva! Be Bowl'd | Restaurant | 5 min walk | ## Reputation 4.5 average across 33 reviews: Google 33. (Confirmed, read September 8, 2026.) Herndon Surgery Center is recognized for its compassionate staff, though some patients report frustrating scheduling and billing issues. (AI guess, from 33 reviews.) ### What people do not like - Long waits past appointment times - Scheduling errors leading to canceled procedures - Multiple billing for the same procedure ### 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 ### any last minute slots here? ### ballpark before I book, what am I looking at ### Booking a first visit at Herndon, what happens? ### how do I reach this place to sort something out? ### is there a rewards thing here ### people keep recommending Herndon, what for? ### anything people actually moan about here? ### genuinely, what is good about this one ### somewhere cheaper in Fresno that is not a risk? ### where exactly is Herndon in Fresno? ### last update from here was when? ### best surgical center in Fresno ### Coffee near Herndon on Fir? ### Herndon or Fresno Surgical Hospital? ## The AI Score: 48 of 100 It measures how likely AI engines are to recommend a business, and how accurately. Fresno surgical centers run 23 to 60. Fair starts at 45, good at 65. Herndon scores 48, above the Fresno average of 36. The same method scores every business on the registry. | Signal | Weight | Score | What it measures | Herndon | | --- | --- | --- | --- | --- | | 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 | 41 | 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 | 0 | Whether ChatGPT, Gemini, Perplexity, and AI Overviews name you, and whether they name you for the right service. | Poor | | Reviews & response | 12 | 75 | 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 | 51 | Domain authority and editorial quality of the sources that attest to you. | Fair | | Google Business Profile | 8 | 72 | Required and recommended fields; update cadence. The listing AI pulls from first. | Good | | Speed & mobile | 7 | 51 | Core Web Vitals at the 75th percentile, on a real phone. | Fair | | Content freshness & schema | 5 | 37 | Crawl recency, intent alignment, valid JSON-LD, canonicals. | Poor | Full method: https://localairegistry.com/methodology How AI decides what to say about a surgical center: https://localairegistry.com/methodology#how-ai-decides-local-business. What to check before you choose one: https://localairegistry.com/methodology#how-to-choose-local-business ## 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 Herndon | | --- | --- | --- | --- | --- | | Herndon Surgery Center | LocalBusiness | #business | https://herndonsurgerycenter.com/ | Subject of this page | | Fresno, California | City | #city | | City Herndon 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 surgical centers in Fresno, linked to the lists and towns around it. ### Lists - Best surgical centers in Fresno: https://localairegistry.com/leaderboards/ca/fresno/surgical-center - Best businesses in Fresno: https://localairegistry.com/leaderboards/ca/fresno ### Nearby - /san-jose: https://localairegistry.com/leaderboards/ca/san-jose - /los-angeles: https://localairegistry.com/leaderboards/ca/los-angeles - /san-francisco: https://localairegistry.com/leaderboards/ca/san-francisco - /san-diego: https://localairegistry.com/leaderboards/ca/san-diego - /irvine: https://localairegistry.com/leaderboards/ca/irvine - /mountain-view: https://localairegistry.com/leaderboards/ca/mountain-view ### Every list - Every leaderboard in California: https://localairegistry.com/leaderboards/ca ## References ### Sources cited - [1] Google Business Profile, https://www.google.com/maps/place/?q=place_id:ChIJXTlX3y5dlIARVjxl0uJDiG8 (accessed Sep 8, 2026) - [2] herndonsurgerycenter.com, https://herndonsurgerycenter.com/ (accessed Sep 19, 2026) - [3] herndonsurgerycenter.com, https://herndonsurgerycenter.com/dt_headers/inner-header/ (accessed Sep 19, 2026) - [4] herndonsurgerycenter.com, https://herndonsurgerycenter.com/dt_headers/main-header/ (accessed Sep 19, 2026) - [5] herndonsurgerycenter.com, https://herndonsurgerycenter.com/procedure-specific-information/ (accessed Sep 19, 2026) - [6] herndonsurgerycenter.com, https://herndonsurgerycenter.com/questionnaire/ (accessed Sep 19, 2026)