# Nathan Cardiology Associates: Agent-Direct Score F (0%)

Site: http://heartcenterofhouston.com
Report: https://directindex.org/r/heartcenterofhouston.com
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 Nathan Cardiology Associates's website on 2026-10-23 (origin timeout). Rescans are free.
AI assistants can't open Nathan Cardiology Associates's website, so they go by what other sites say about it.

## Direct links
- Phone: +12814815444
- Address: 11914 Astoria Blvd Ste 100, 77089, Houston

## Nearby, also direct
Places near Nathan Cardiology Associates that take a booking or an order on their own website, with no marketplace in between.
- Coastal Foot and Ankle Associates (10 m): https://directindex.org/r/coastalfaa.com
- Lonestar Rheumatology (10 m): https://directindex.org/r/lsrheum.com
- Urology Associates of Houston (10 m): https://directindex.org/r/memorialhermann.org
- Southeast Dermatology (20 m): https://directindex.org/r/sedermonline.com

## 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://heartcenterofhouston.com.

## Already right
- Nothing.

## Where it stands
Not ranked yet in Houston dentists, clinics and vets.

| What the top 10% of the index does | Top 10% | This site |
|---|---|---|
| Take bookings or orders on their own domain | 97% | no |
| Publish the menu or price list as HTML | 6% | no |
| Let AI crawlers in (no block at the server or in robots.txt) | 98% | yes |
| Structured data with address, phone and hours | 44% | no |
| Have an llms.txt | 40% | no |

Nearest places in the index: Coastal Foot and Ankle Associates (D, 7 m, https://directindex.org/r/coastalfaa.com); Hollis Kenneth W MD (F, 7 m, https://directindex.org/r/baychoicebariatrics.com); Apex Cardiology of Houston (F, 8 m, https://directindex.org/r/apexhouston.com); Lonestar Rheumatology (C, 10 m, https://directindex.org/r/lsrheum.com); Coastal Aesthetics Associates (F, 10 m, https://directindex.org/r/csglc.com); Urology Associates of Houston (C, 12 m, https://directindex.org/r/memorialhermann.org); Southeast Dermatology (D, 15 m, https://directindex.org/r/sedermonline.com); Houston Hearing Center (F, 20 m, https://directindex.org/r/houstonent.com); Southeast Medical Group (F, 21 m, https://directindex.org/r/progmd.com); Colorectal Surgical Associates (F, 30 m, https://directindex.org/r/drfmiranda.com).

## 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.

The assistants were asked 12 everyday questions about Houston dentists, clinics and vets and named 59 places. Nathan Cardiology Associates wasn't one of them. See who was named: https://directindex.org/city/houston-clinics/recommended


## The direct record
What agents get for Nathan Cardiology Associates, as JSON: https://directindex.org/api/direct/heartcenterofhouston.com
- Book: none on record
- Order: none on record
- Menu: none on record
- Hours: none on record
- Phone: +12814815444

## 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/heartcenterofhouston.com/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/heartcenterofhouston.com/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=heartcenterofhouston.com&force=1