Call9

call9.com

hospital & health care

call9.com

Palo Alto, California, United States

11-50 employees

2200000 revenue

LinkedIn Profile

About Call9

medical practice, health care information technology, technology, healthcare, patient care, palliative care, clinical academics, nursing homes, skilled nursing facilities, software, emergency medicine, senior care, telemedicine, healthcare technology, healthcare services, health care, hospitals & health care, care quality metrics, other outpatient care centers, care management software

Call9's Tech Stack

AI/ML

15 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Google Analytics signals active web measurement. Privacy-focused analytics alternatives, conversion optimization, and A/B testing platforms are relevant pitches.

Call9's Position in the StackWho Database

• Call9 is 1 of 9,965 hospital & health care companies tracked in StackWho.
• 9,927 hospital & health care companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 3,650 hospital & health care companies are in the 11-50 employee range (same size as Call9).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Call9 use?

Call9 uses Cloudflare DNS, CloudFlare Hosting, Google Tag Manager, Mobile Friendly, Typekit, Vimeo, and 9 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Call9?

StackWho has verified email addresses for 1 decision maker at Call9. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Call9 directly for sales, recruiting, or partnerships.

What industry is Call9 in?

Call9 operates in the hospital & health care industry, headquartered in Palo Alto, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Call9's contact data?

Yes. StackWho Pro members can export decision maker contact data for Call9 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.