Stock Doctor
Investor Due Diligence Report
substackHealth
Physician with an interest in value investing. Highlighting undervalued compounders and sharing stock insights.
200
6 paid
N/A
Pricing
$25/mo
$200/yr annual option
$104
6 paid subs
$104/mo – $104/mo(±0%)
1.0
13.0
7.00%
(comments + likes) / subscribers
Bi-weekly
0.5 posts/week
61/100
Consistent (~14.0d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Brain Health Kitchen | 44K | N/A | $20/mo | substack |
| The Glow Wellness | 33K | N/A | $8/mo | substack |
| Philippa Perry | 28K | N/A | $4/mo | substack |
| ESG’s Substack | 17K | N/A | $10/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 200 | $172.5 | — |
| Apr 2026 | 200 | $172.5 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
200 subscribers — below the 1K category median (based on 582 newsletters)
Has paid tier
Active paid subscription offering
Peer monetization
100% of 214 similar-size peers in Health have paid tiers
Pricing position
$25/mo vs $6/mo category median (908 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $25 | $200 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 98/100 | 30% |
| Paid Subscriber Ratio | 30/100 | 25% |
| Well To Do |
| 16K |
| N/A |
| Free |
| substack |