🎙️Out of the FHIRHEALTHCARE INTEROPERABILITY ECOSYSTEM · TRAILING 365D

Media kit & ecosystem reach report

Reach the healthcare interoperability ecosystem at decision-maker depth — sponsorship, advisory, and coaching opportunities across podcast, newsletter, group, and an active open-source surface.

LinkedIn + Apple + Spotify + Substack · verifiedYouTube + GitHub · pending

You're not buying impressions — you're buying access to a difficult-to-reach healthcare interoperability ecosystem. 313k LinkedIn impressions/yr at 68.8% senior+, a 554-subscriber long-form publication at 48% open rate, and a podcast guest roster featuring the FHIR community's leadership cohort. Targeted influence at decision-maker depth.

Aggregated ecosystem reach
Trailing 365d · May 2025 – May 2026
313k
+132.7%
LinkedIn impressions / yr
Personal + page + group
5,843
Owned audience
3.7k LinkedIn + 777 group + 554 Substack
68.8%
Senior+ on LinkedIn
Senior, Director, CXO, VP
48.2%
Substack open rate
Industry avg ~35%
FHIR IQ Playbook — Substack
PREMIUM NEWSLETTER

Long-form healthcare interop publication. 48.2% open rate (above industry average), 15.4% engagement. The funnel: LinkedIn + Substack network → newsletter → paid + advisory.

554
Subscribers
543 free · 10 paid · 1 comp
48.2%
Avg open rate
72 posts published
29.7k
All-time views
2–3.5k / month
$736
ARR
Validates paid willingness
Top posts
openclaw meets healthcare
2,336 views · 46.4% open · Feb 2026
Introducing Agent Interop
1,158 views · 52.8% open · Sep 2025
What Happens When a Patient Has More Processing Power Than a Provider
871 views · 42.6% open · Mar 2026
Claude Healthcare quick impressions
727 views · 49.7% open · Jan 2026
MCP Apps and the Healthcare Ecosystem That's About to Explode
637 views · 48.5% open · Feb 2026
Subscriber sources (lifetime)
Direct
2,731 vis+64
Substack network
1,454 vis+119
Direct to App
1,102 vis+44
LinkedIn
983 vis+66
Google
585 vis+20
Top countries: US 396 · India 34 · Canada 21 · AU 13 · UK 11
Guest roster — the ecosystem bench
SPONSOR DRAW

The actual sponsorship asset. This guest list is the FHIR + healthcare interop industry's leadership cohort.

Grahame Grieve
Creator of FHIR
Mark Scrimshire
CMS Blue Button architect
Brendan Keeler
Particle Health / Health API Guy
Pooja Babbrah
Point-of-Care Partners
Jill DeGraff
1upHealth / SMART Health IT
Cody Ebberson
Medplum CTO
Ron Urwongse
Defacto Health (Provider Directory)
Ewout Kramer + Ward Weistra
Firely
Chad Sanderson + Mark Freeman
Gable.ai
Kerry Weinberg
PhenoML
Out of the FHIR podcast — Apple + Spotify combined
CREDIBILITY ASSET

Not a reach play. The value is the guest roster and the concentrated audience. ~90 plays per episode across platforms, all from US healthcare-interop hub cities. Sponsors buy association with the ecosystem's leading voices.

2,494
Total plays (Apple + Spotify)
27 episodes · ~93 plays/ep
316h
Total listening
157 Apple + 159 Spotify
63%
Apple follow rate
Industry avg ~30–40%
91+64
Engaged + Spotify follows
Loyal core
Top listener cities (Apple)
New York City
15
Chicago
6
Seattle
6
Boston
5
Pittsburgh
5
Top episodes (combined plays)
E1 · Grahame Grieve — Creator of FHIR176
E19 · Aaron Neiderhiser + Phil Ballentine125
E3 · Cody Ebberson (Medplum)131
E15 · Stop Building for Interoperability116
E2 · Darren Devitt150
Every listener city is a US healthcare interop hub. Zero off-target waste.
Substack RSS — episode download durability
LONG-TAIL

Substack RSS feed — distinct from Apple + Spotify play counts. Episodes keep accumulating downloads for 90+ days post-publish (45.7 → 81.2, a 78% lift). A mid-roll placement keeps earning impressions long after the episode ships.

3.16k
Total Substack downloads
Mar 2025 – May 2026 · all 27 eps
45.7
Avg downloads · first 7 days
Per new episode
63.7
Avg downloads · first 30 days
+39% past day-7
81.2
Avg downloads · first 90 days
+78% past day-7 — long tail
Translation: a mid-roll sponsor placement keeps earning impressions for 90+ days post-publish.
Seniority (LinkedIn)
Senior
34.4%
Director
14.2%
CXO
12.2%
Entry
11.2%
VP
8%
Other
20%
Industry (LinkedIn)
Hospitals & Health Care
28.7%
IT Services & Consulting
18.6%
Software Development
9.1%
Tech, Info, Internet
5.2%
Other
38.4%
Company size (LinkedIn)
10,001+ employees
21.6%
11–50
13%
51–200
11.9%
1–10
11.8%
1,001–5,000
11%
Other
30.7%
Platform breakdown
LinkedIn personal+41.3% YoY
3,761
followers
210,934 impressions · +132.7% YoY
FHIR Goats group84k post views
777
members
78 posts · 1,077 avg views/post
FHIR IQ Playbook (Substack)48.2% open rate
554
subscribers
72 posts · 29.7k views · $736 ARR
Podcast — Apple63% follow rate
1,620
all-time plays
26 eps · 131 listeners · 157 hrs
Podcast — Spotify64 followers
874
all-time plays
27 eps · 159 hrs · 602 streams
Out of the FHIR (LinkedIn page)7.4% eng rate
401
new followers (365d)
77 posts · 18.8k impressions
YouTube + GitHub + sitesPending
TBD
Pending data
YouTube Studio export + GitHub
Rare-opportunity inventory — calibrated to actual asset
Ordered by revenue priority
#1Anchor sponsor — Annual State-of-FHIR ReportSCARCE

Logo, named insight section, co-marketed across 313k LinkedIn impressions + 554 Substack subscribers (48% open rate). 1 slot.

$25–40k
#2Executive Roundtable title sponsorSCARCE

Curated 12–15 decision-makers drawn from podcast guest network + FHIR Goats group. Branded recap distributed to full ecosystem. Quarterly.

$15–25k
#3Co-sponsor — Annual Report

Logo + section. 3 slots available.

$8–12k
#4Substack sponsored issue

Long-form case study. 48.2% avg open rate. Posts have hit 2,336 views. Top funnel for paid + LinkedIn syndication.

$2–4k
#5Podcast presenting sponsor (4 episodes)

Host-read pre + mid-roll. ~90 plays/ep across Apple + Spotify, concentrated in NYC/Boston/Chicago/Pittsburgh. Value is association with the guest bench.

$1–2k / month
Let's talk.

Sponsorship inquiries, advisory engagements, or a 20-minute intro — same inbox. I respond to every legitimate inquiry within 48 hours.