local ai registry · agent view · /biz/sd/sioux-falls/john-berdahl-md-sioux-falls-sd

# John Berdahl MD

Ophthalmologist — Sioux Falls, South Dakota. Registry entry: https://localairegistry.com/biz/sd/sioux-falls/john-berdahl-md-sioux-falls-sd

**AI Score: 41/100** (Needs attention, verified July 16, 2026) — methodology: https://localairegistry.com/methodology

## What AI assistants say (named by 0 of 3)

### ChatGPT — not named
Asked: "best ophthalmologist in Sioux Falls" (checked July 16, 2026)
> ChatGPT answered with other businesses; John Berdahl MD was not mentioned.

### Perplexity — not named
Asked: "best ophthalmologist in Sioux Falls" (checked July 23, 2026)
> Perplexity answered with other businesses; John Berdahl MD was not mentioned.

### Gemini — not named
Asked: "best ophthalmologist in Sioux Falls" (checked July 16, 2026)
> Gemini answered with other businesses; John Berdahl MD was not mentioned.

## What reviews say

> Patients describe a reassuring and supportive experience with Dr. John Berdahl, particularly during LASIK procedures. Many felt comfortable and well-informed throughout their journey, highlighting the quick recovery and impressive vision results post-surgery.

Consistently praised:
- Dr. Berdahl's LASIK surgery
- 20/15 vision achieved after LASIK
- Supportive and comforting during procedures
- Outstanding team and care
- Successful treatment of keratoconus

Bottom line: Dr. Berdahl is highly regarded for his LASIK surgery, delivering exceptional results and patient care.

## Score breakdown

| Signal | Weight | Score /100 |
| --- | --- | --- |
| Retrieval grounding | 26% | 75 |
| Off-property attestation | 20% | 41 |
| AI visibility | 14% | 0 |
| Reviews & response | 12% | 37 |
| Backlink & citation authority | 8% | 64 |
| Google Business Profile | 8% | 79 |
| Speed & mobile | 7% | 26 |
| Content freshness & schema | 5% | 57 |

## Others on record in Sioux Falls

- Vance Thompson Vision – Sioux Falls — AI Score 72
- Ophthalmology LTD — AI Score 72
- ART Vision — AI Score 26
- Dr. Alison Tendler — AI Score 25

John Berdahl MD ranks 3 of 5 in its category here.

## Facts

- Address: 3101 W 57th St, Sioux Falls, SD 57108, USA
- Phone: (605) 361-3937
- Website: vancethompsonvision.com
- Hours Mon: 8:00 AM – 5:00 PM
- Hours Tue: 8:00 AM – 5:00 PM
- Hours Wed: 8:00 AM – 5:00 PM
- Hours Thu: 8:00 AM – 5:00 PM
- Hours Fri: 8:00 AM – 5:00 PM
- Hours Sat: Closed
- Hours Sun: Closed

## Questions

### What are the operating hours of John Berdahl MD?
The clinic operates Monday through Friday from 8:00 AM to 5:00 PM and is closed on Saturdays and Sundays.

### Does John Berdahl MD accept reservations?
The clinic does not require reservations for appointments.

### What services is John Berdahl MD known for?
The clinic is well-known for LASIK eye surgery and has received positive reviews for its exceptional care and successful outcomes.

### Is there parking available at John Berdahl MD?
Yes, the clinic provides parking facilities for its patients.

### What special features does John Berdahl MD offer?
The clinic is praised for its caring staff and the personalized attention provided by Dr. Berdahl, making the surgical experience comfortable and reassuring.

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Source: Local AI Registry (https://localairegistry.com). The registry re-checks every entry.