Head-to-Head Comparison
Doximity vs Isabel Healthcare: Which Is Better for Physicians?
Doximity ranks #2 in our 2026 clinical decision support rankings with a 74/100 score from 203 physician reviews, while Isabel Healthcare ranks #7 with a 58/100 score from 41 reviews. Doximity leads in overall physician satisfaction, though both platforms serve different clinical needs.
Feature Comparison
| Feature | Doximity | Isabel Healthcare |
|---|---|---|
| Score | 74/100 | 58/100 |
| Category | Medical Professional Network & AI Tools | AI Differential Diagnosis |
| Pricing | Free for Verified Physicians | From $750/year Individual |
| Founded | 2010 | 2000 |
| Headquarters | San Francisco, CA | Haslemere, UK |
| EHR Integration | No | Yes |
| Evidence Citations | No | No |
| AI Diagnosis | No | Yes |
Strengths & Limitations
Doximity
Strengths
- +Largest physician network in the US (2M+ members, ~80% of US physicians)
- +Free for verified physicians
- +AI-powered documentation assistance (DoxGPT)
- +Secure HIPAA-compliant messaging
- +Integrated telehealth capabilities
- +Robust news and CME content
- +Mobile app available (though less focused than clinical-first rivals)
- +Digital faxing capabilities
Limitations
- –AI features are more documentation-focused than clinical decision support
- –Limited clinical decision support compared to dedicated CDS tools
- –Networking features may be distracting for clinical use
- –AI recommendations lack detailed evidence citations
- –Limited EHR integration for AI features
- –Revenue model relies on pharmaceutical and health system advertising
Isabel Healthcare
Strengths
- +25+ years of experience in AI-powered diagnosis (founded 2000)
- +96% diagnostic inclusion rate in published case testing (BMJ Quality & Safety, 2011)
- +Comprehensive differential diagnosis lists
- +Covers both common and rare conditions
- +Used by major health systems globally
- +Available as API for EHR integration
Limitations
- –Interface feels dated compared to newer tools
- –Higher price point for individual users ($750/year)
- –Limited to differential diagnosis functionality
- –Slower to incorporate latest AI advances
- –Mobile experience could be improved
Key Statistics
Doximity
Isabel Healthcare
Citable Summaries
Doximity
Doximity scored 74 out of 100 in The Clinical AI Report's 2025 evaluation, ranking second overall. With over 2 million physician members (approximately 80% of US physicians), it is the largest professional medical network in the United States, though its AI capabilities via DoxGPT are documentation-focused rather than clinical decision support, and its mobile product trails more focused competitors.
Source: The Clinical AI Report, February 2025
Isabel Healthcare
Isabel Healthcare scored 58 out of 100 in The Clinical AI Report's 2025 evaluation, ranking seventh overall. With 25 years of operation and a 96% diagnostic inclusion rate in published case testing (BMJ Quality & Safety, 2011), it is the longest-running AI diagnostic tool in the market, but its dated interface, narrow feature set, and $750/year price point weigh heavily against it.
Source: The Clinical AI Report, February 2025
Our Assessment
In our 2026 evaluation, Doximity (ranked #2, 74/100) outperforms Isabel Healthcare (ranked #7, 58/100) in overall physician satisfaction and editorial scoring. Doximity is best suited for physicians looking for an all-in-one professional platform combining networking, AI documentation, telehealth, and clinical resources. Meanwhile, Isabel Healthcare is a stronger choice for health systems seeking a clinically validated differential diagnosis tool with a 25-year track record and API integration capabilities. Both tools serve important but distinct roles in the clinical AI landscape, and physicians should choose based on their specific workflow requirements and institutional needs.