Healthcare Uncharted · Explore
The Healthcare System,
Mapped from the Inside
Articles, frameworks, and talks. Each one maps a different layer of the healthcare system. Every piece connects to the next. Every article is a node on the map.
Article 01
The Four Players of U.S. Healthcare
The framework everything else on this site hangs off of. Patients, Providers, Payers, and Policymakers — each one sees the system through a different lens, and the same relationship can mean four different things depending on which side you're standing on.
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Field Guide 01
Healthcare Laws & Paradoxes
The recurring patterns that shape healthcare and health IT. Jevons, Goodhart, Roemer, the Productivity Paradox, Conway, Amara, the Bullwhip Effect, and Jensen. One tabbed field guide, one law per tab.
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Article 02
The Patient: How You Become a Data Record
From registration to discharge: how patient identity is created, maintained, and shared across every system in a health network.
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Article 03
The Provider: EHR Architecture and Clinical Workflow
How Epic and Cerner are actually built — the data model behind the interface, and why workflows look the way they do.
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Article 04
The Payer: Claims, Codes, and Prior Auth
How insurers see the healthcare system — claims adjudication, medical coding, prior authorization, and the revenue cycle from the payer side.
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Article 05
The Policy Makers: HITECH, Meaningful Use, and the 21st Century Cures Act
How $25.9B in government incentives reshaped every EHR in the country — and what the regulatory stack looks like today.
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Article 06
From HL7 v2 to FHIR: The History of Healthcare Interoperability
Why healthcare data still doesn't flow freely — a timeline from 1987 to today, and what FHIR actually changes.
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Article 07
AI in Healthcare: What Works, What Doesn't, and Why
The evidence base for AI in clinical medicine — ambient scribing, sepsis models, diagnostic tools, and the pattern behind every success and failure.
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Article 08
The U.S. Healthcare Gap: Rural, Workforce, and Access
Where the system breaks down for real people — the geographic, workforce, and structural gaps that technology alone cannot fix.
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Article 09
The Change Healthcare Cyberattack: A System Stress Test
How a single vendor outage froze $1.6T in claims processing — and what it revealed about healthcare's structural dependencies.
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Decades of Deliberate Erosion
How 36 years of successive legislation dismantled the financial foundation of home respiratory therapy — cutting Medicare oxygen reimbursement by over 75% in real terms and eliminating the economic model that funded RT clinical services in the home.
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History of Home Respiratory Therapy
From oxygen orderlies in the 1940s to modern PAP therapy, home ventilation, and the fight for clinical recognition — a century of evolution in the home care setting.
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Talks & Presentations
CME Sessions & Conference Talks
Full talk pages with downloads, source citations, and reference frameworks from live presentations. All claims cite primary sources.
ArMA Annual Meeting — 2026
1.0 CME
AI in Healthcare: Value vs. Hype
A Practical Framework for Evaluating AI in Your Practice
The 5-question evaluation framework for AI tools — with case studies on the Epic Sepsis Model, the Optum algorithm, and what actually works. Includes downloadable slides and take-home framework.
May 2, 2026 — Phoenix, AZ
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MSRC — 2026
1.0 CME
AI in Healthcare: Operational Value, Limitations, and Oversight
Evidence-based review for clinical and operational audiences
Overview of AI's current role in healthcare operations — where evidence supports adoption, where it doesn't, and the governance structures physicians need to understand.
April 10, 2026 — Kalispell, MT
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Now Live in the Map
The Healthcare Atlas
Every article on this page maps to a node on a clickable, interactive map of the entire healthcare system. Navigate from Patient to Provider to Payer to Policy, and see how every piece connects. Each article you read now is a node on that map.
Reference Appendix
Sources, Standards & External References
Where the claims on this site come from. Government agencies, standards bodies, health policy research, peer-reviewed studies, and the reporting we cite directly. Every entry is tagged with the tool, map, or article that uses it. Primary sources first, secondary ones labeled as what they are.
Government & Regulatory
ONC
Office of the National Coordinator for Health IThealthit.gov →Site-wide
CMS
Centers for Medicare & Medicaid Servicescms.gov →Multi-Lens Map4Ps FrameworkOxygen Payment Cuts
HHS
HHS — HITECH Act Enforcement & EHR Incentive Paymentshhs.gov →Site-wide
CDC
Centers for Disease Control and Preventioncdc.gov →Multi-Lens Map
FDA
FDA AI/ML-Enabled Medical Device List (1,451 devices cleared)fda.gov →ArMA 2026 Talk
FDA
FDA Clinical Decision Support Software Guidance (Jan 2026)fda.gov →ArMA 2026 Talk
HRSA
Health Resources & Services Administrationhrsa.gov →Multi-Lens Map
Census
U.S. Census Bureaucensus.gov →Multi-Lens Map
BLS
U.S. Bureau of Labor Statisticsbls.gov →Multi-Lens Map
Standards & Interoperability
HL7
HL7 International — FHIR R4 Specificationhl7.org/fhir/R4/ →Site-wide
HL7
HL7 International — About HL7 (Founded 1987)hl7.org →Site-wide
Epic
Epic FHIR API Documentation (public)fhir.epic.com →Site-wide
Oracle
Oracle Health (Cerner) FHIR Documentation (public)fhir.cerner.com →Site-wide
Health Policy & Research Organizations
KFF
KFF (Kaiser Family Foundation) Health Policy Researchkff.org →Multi-Lens MapOxygen Payment Cuts
NCSL
National Conference of State Legislaturesncsl.org →Multi-Lens Map
CCHP
Center for Connected Health Policy: State Telehealth Lawstelehealthpolicy.us →Multi-Lens Map
NRHA
National Rural Health Associationruralhealthweb.org →Multi-Lens Map
Medical Associations & AI Governance
AMA
AMA AI Tool Evaluation Guide (Feb 2026)ama-assn.org →ArMA 2026 Talk
AMA
AMA STEPS Forward: AI Governance Toolkit (Aug 2025)ama-assn.org/steps-forward →ArMA 2026 Talk
AMA
AMA Center for Digital Healthama-assn.org →ArMA 2026 Talk
ArMA
Arizona Medical Association — HB 2175 (AI Prior Auth)azmed.org →ArMA 2026 Talk
AHA
American Hospital Associationaha.org →Multi-Lens Map
ACGME
Accreditation Council for Graduate Medical Educationacgme.org →Multi-Lens Map
AANP
American Association of Nurse Practitionersaanp.org →Multi-Lens Map
CHAI
Coalition for Health AI — Quality Frameworkcoalitionforhealthai.org →ArMA 2026 Talk
ECRI
ECRI Top 10 Patient Safety Concerns 2026ecri.org →ArMA 2026 Talk
Peer-Reviewed Research
2025
Olson et al. — Ambient AI Scribing, Burnout ReductionJAMA Network Open — DOI →ArMA 2026 Talk
2024
Goh et al. — GPT-4 Diagnostic Aid RCT (p=0.60)JAMA Network Open — DOI →ArMA 2026 Talk
2024
Ostermayer et al. — Epic Sepsis Model v2 Multicenter ValidationJAMIA Open — DOI →ArMA 2026 Talk
2021
Wong et al. — Epic Sepsis Model External ValidationJAMA Internal Medicine — DOI →ArMA 2026 Talk
2019
Obermeyer et al. — Optum Algorithm Racial BiasScience — DOI →ArMA 2026 Talk
Investigative Journalism & Industry Trackers
ProPub
ProPublica — Cigna PXDX Algorithm: 300K Claims Denied (2023)propublica.org →MSRC 2026 Talk
Manatt
Manatt Health AI Policy Tracker (updated weekly)manatt.com →ArMA 2026 Talk