# David J. Hellerstein, Md: Agent-Direct Score F (0%)

Site: http://www.hellerstein.net
Report: https://directindex.org/r/hellerstein.net
Scanned: 2026-10-23 (Provisional, with the assistant citation check still to come. The hatched part of the bar isn't measured yet.)
The scanner couldn't reach David J. Hellerstein, Md's website on 2026-10-23 (TimeoutError: The operation was aborted due to timeout). Rescans are free.
AI assistants can't open David J. Hellerstein, Md's website, so they go by what other sites say about it.

## Direct links
- Phone: 12128751357
- Address: 1051 Riverside Dr  # 3716, 10032-1007, New York

## Nearby, also direct
Places near David J. Hellerstein, Md that take a booking or an order on their own website, with no marketplace in between.
- Columbia Comprehensive Epilepsy Center (140 m): https://directindex.org/r/columbiadoctors.org

## What to fix first
- **The site couldn't be read at all.** The server didn't answer requests from Cloudflare's network. A hosting firewall may be blocking them. A real browser tried too and got net::ERR_BLOCKED_BY_CLIENT at http://www.hellerstein.net.

## Already right
- Nothing.

## Where it stands
5936 of 6404 in New York dentists, clinics and vets. Top 93% of the sites scanned in this index.

| What the top 10% of the index does | Top 10% | This site |
|---|---|---|
| Take bookings or orders on their own domain | 98% | no |
| Publish the menu or price list as HTML | 5% | no |
| Let AI crawlers in (no block at the server or in robots.txt) | 96% | yes |
| Structured data with address, phone and hours | 31% | no |
| Have an llms.txt | 37% | no |

Nearest places in the index: Dr. Stephanie M. Lemelle, Md (F, 0 m, https://directindex.org/r/nyspi.org); Lyme And Tick-borne Diseases Research Center (D, 0 m, https://directindex.org/r/columbia-lyme.org); Dr. Elisabeth B. Guthrie, Md (D, 0 m, https://directindex.org/r/columbiapsychiatry.org); Columbia Comprehensive Epilepsy Center (C, 135 m, https://directindex.org/r/columbiadoctors.org); Columbia University Department of Medicine Rheumatology (D, 165 m, https://directindex.org/r/rheumatologyatcolumbia.org); Dr. Ronald Brisman, MD (F, 168 m, https://directindex.org/r/trigeminalneuralgia-ronaldbrismanmd.com); Columbia University Medical Center (F, 173 m, https://directindex.org/r/siren.network); Vascular Surgery - Columbia University Irving Medical Center (D, 205 m, https://directindex.org/r/columbiasurgery.org); The Center for Interventional Vascular Therapy (D, 205 m, https://directindex.org/r/columbiacardiology.org); Schneeweiss Adult Congenital Heart Center - Columbia University Irving Medical Center (D, 206 m, https://directindex.org/r/columbia.edu).

## What assistants answer
The assistants haven't been asked about this business yet. They're asked about the top-ranked businesses in each city index, and about any business as soon as it's claimed. Claim this page to be included.


## Businesses like David J. Hellerstein, Md in New York dentists, clinics and vets

| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in New York dentists, clinics and vets | 6404 | 49% | 19% | 0% |

The best of the businesses of the same kind in New York dentists, clinics and vets: Central Park Orthodontics (A 95.4%, https://directindex.org/r/centralparkorthodontics.com); Cosmetic Dentistry NY- Dr. Viviane Trinh - Dentist (A 95.4%, https://directindex.org/r/cosmeticdentistryny.com); Pro Motion Physical Therapy (A 95.4%, https://directindex.org/r/promotionphysicaltherapy.com); Sutton Animal Hospital (A 95.4%, https://directindex.org/r/suttonvet.com); Premier Dermatology and Aesthetics (A 93.8%, https://directindex.org/r/pdskincenter.com).

## The direct record
What agents get for David J. Hellerstein, Md, as JSON: https://directindex.org/api/direct/hellerstein.net
- Book: none on record
- Order: none on record
- Menu: none on record
- Hours: none on record
- Phone: 12128751357

## Score breakdown
| Component | Points | Available |
|---|---|---|
| Reachable | 0 | 25 |
| Readable | 0 | 25 |
| Actionable | 0 | 30 |
| Cited | 0 | 0 (the assistant citation check: pending) |

## Agent readiness (Cloudflare)
Not measured for this scan.
- JSON-LD for the business: no

Keep watching this business (https://directindex.org/r/hellerstein.net/plan): the assistants are asked again every month, and you see what changed. 2 EUR a month or 19 EUR a year.
Deep report: https://directindex.org/r/hellerstein.net/deep. Ten questions phrased the way people ask them, each assistant's full answer, the eight nearest similar places, the fix plan and a PDF. 5 EUR, paid once. Reading and scanning stay free. These few euros pay for the questions sent to the assistants and for the servers.
Methodology: https://directindex.org/methodology · Rescan now: https://directindex.org/scan?url=hellerstein.net&force=1