You show up to the same address four times in six weeks. Different complaints each time. Chest pain, dizziness, “I just don’t feel right.” The patient isn’t having emergencies. They’re living in one. No primary care. Unsafe housing. Isolated. You can feel the pattern — but you can’t fix what you can’t see clearly.
That’s exactly what a community health assessment is for. It’s not a hospital process or a grant document. It’s how you stop guessing and start targeting the right problems in the right places. For community paramedics, it’s one of the most important tools you have — and most providers have never been trained to use it.
This article breaks down what a community health assessment actually is, how it works in a CP context, and what you do with it on the ground.
Key Takeaways
- A community health assessment (CHA) is a systematic process for identifying health needs and gaps in a defined population — it is not optional in CP program design
- The NACCHO MAPP 2.0 framework is the national standard used by public health departments and increasingly adapted for community paramedicine programs
- Effective CHAs combine secondary data (existing datasets) with primary data (what residents actually tell you)
- As a CP, you are a primary data source — your in-home observations are intelligence that no hospital EHR captures
- A CHA without an action plan is a waste of time — the goal is to change how and where you deploy resources
- CHAs directly support CP-C exam competencies in community health needs, SDOH assessment, and program development
- You don’t need a research degree to contribute to or lead a CHA — you need a structured process and the right partners

Why This Matters in EMS
Traditional EMS is reactive by design. You respond to the address, manage the complaint, transport or release. You never get to ask why this patient keeps calling — or what’s driving the pattern.
Community paramedicine changes that. But it only works if you know where to look. A CHA tells you which ZIP codes have the highest 911 utilization, which populations are underserved, and which health conditions are preventable with the right intervention. Without that data, CP programs end up chasing calls instead of preventing them.
The CDC estimates that 40% of emergency department visits involve patients who could be treated effectively in non-urgent settings. A CHA helps you identify who those patients are before the next call comes in — and build programs around them.
This matters at the program level too. Funders, hospitals, and health systems want evidence that your CP program is targeting real needs. A CHA gives you that evidence and builds the case for sustainable reimbursement.
What the Research and Data Show
The National Association of County and City Health Officials (NACCHO) developed the MAPP framework — Mobilizing for Action through Planning and Partnerships — as the national standard for community health assessment. The 2023 update, MAPP 2.0, is now the version most local health departments and CP programs use.
NAEMSP’s 2025 position statement on community paramedicine explicitly requires a community health needs assessment as a foundation for successful CP program implementation. It’s not suggested — it’s a prerequisite.
The NACHC catalog of CHNA tools identifies two types of data every valid assessment needs. Secondary data comes from existing sources: CDC databases, census data, County Health Rankings, hospital discharge records, local 911 call data. Primary data comes from direct community input: surveys, interviews, focus groups, and — critically for CPs — in-home observations.
A 2024 systematic review in Prehospital Emergency Care found that CP programs with structured needs assessments had significantly better outcomes in ED reduction and chronic disease management than programs built on anecdotal need. The data drives the program. The program drives the outcomes.
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What This Looks Like on a Call
You’ve been running a post-discharge follow-up program for CHF patients in a rural county. Six months in, readmissions haven’t dropped as much as the hospital expected.
Your medical director asks you to look at the data. You pull 911 call records, hospital discharge data, and your own visit notes. You notice that 70% of readmissions are coming from one assisted living facility on the east side of the county — not from the scattered home visits you’ve been prioritizing.
That’s a CHA finding. You didn’t need a research team to find it. You needed to look at the right data and ask the right question.
You adjust your deployment. You start weekly medication reconciliation visits at that facility. Readmissions from that location drop by 40% in the next quarter.
That’s what a CHA does. It tells you where to point the program.
What You Should Do Differently
Start with what you already have. Before hiring a consultant or building a survey, pull your own data. 911 call logs by address and ZIP code. Frequent flyer lists. Post-discharge visit records. Diagnosis codes from hospital partners. This is your baseline secondary data and it’s already sitting in your CAD system.
Add the public health layer. County Health Rankings (countyhealthrankings.org) gives you community-level data on health behaviors, clinical care access, social and economic factors, and physical environment — broken down by county. CDC’s Community Health Assessment tools provide national benchmarks. Cross-reference your call data against these population health indicators to find where your highest-need areas are.
Use the MAPP 2.0 framework. NACCHO’s MAPP process organizes a CHA into four assessments: community health status, community themes and strengths, local public health system capacity, and forces of change. You don’t have to run all four simultaneously — but knowing the framework keeps your assessment structured and defensible.
Collect primary data on home visits. Every CP visit is a data collection opportunity. Standardize what you observe and document: food security, medication access, home safety hazards, social isolation, transportation barriers. Over 50 visits, patterns emerge. That is primary data. Document it systematically.
Identify your partners early. A CHA done in isolation misses half the picture. Your local health department, hospital system, community health centers, and social services agencies all hold pieces of the data. NAEMSP recommends multidisciplinary collaboration as a core requirement — not an add-on. Call your county health department before you build anything.
Build an action plan from day one. A CHA that sits in a binder changes nothing. The NACHC framework is clear: the goal is action, not documentation. Every finding should map to a program response, a referral pathway, or a resource allocation decision.
Common Mistakes to Avoid
- Starting with surveys before looking at existing data — you already have more secondary data than you think. Use it first.
- Assessing the whole county when your program only covers part of it — define your service area clearly before you start. A CHA for a geography you can’t serve wastes everyone’s time.
- Skipping community input — data tells you what, but residents tell you why. A CHA without primary input from actual community members will miss cultural and contextual factors that determine whether your interventions work.
- Treating the CHA as a one-time event — HRSA requires health centers to conduct CHNAs every three years. CP programs should plan for reassessment cycles, not a one-and-done document.
- Failing to share findings with partners — your hospital partner, health department, and referral network need to see what you found. Shared data creates shared accountability and opens funding conversations.
- Confusing a needs assessment with a needs list — identifying needs is step one. Prioritizing which ones your program can realistically address is the actual work.
Quick Reference: CHA Data Sources for CPs
| Data Type | Source | What It Tells You |
|---|---|---|
| 911 call patterns | Your CAD/dispatch system | High-utilizer addresses, frequent complaint types |
| Population health | countyhealthrankings.org | County-level SDOH, health behaviors, access gaps |
| ED utilization | Hospital partner data | Avoidable admissions, discharge patterns |
| Demographics | Census.gov, CDC PLACES | Age, income, insurance status by ZIP |
| CHNA frameworks | NACCHO MAPP 2.0 | Structured process for your assessment |
| Community assets | Local health dept, 211 | What resources already exist |
| In-home observations | Your visit documentation | What no EHR captures |
Bottom Line
A community health assessment is not a bureaucratic exercise. It’s how a CP program finds its targets, justifies its existence, and proves its value. If you’re deploying community paramedics without one, you’re guessing — and guessing is expensive in healthcare.
You already collect data every shift. The question is whether you’re organizing it into something that drives decisions. Start with what you have, connect with your local health department, and use the MAPP 2.0 framework to structure the process. The patients who keep calling 911 are trying to tell you something. A CHA helps you hear it.
References
- NAEMSP. (2025). Mobile Integrated Health Care and Community Paramedicine: A Position Statement and Resource Document. Prehospital Emergency Care. doi:10.1080/10903127.2025.2541899
- Centers for Disease Control and Prevention. (2024). The Value of Community Paramedicine. CDC Community Paramedicine Resource Hub. https://www.cdc.gov/ems-community-paramedicine/
- NACCHO. (2023). Community Health Assessment and Improvement Planning: MAPP 2.0 Framework. National Association of County and City Health Officials. https://www.naccho.org/programs/public-health-infrastructure/performance-improvement/community-health-assessment
- NACHC. (2023). Catalog of Community Health Needs Assessment Tools and Resources. National Association of Community Health Centers. https://www.nachc.org/resource/catalog-of-community-health-needs-assessment-tools-and-resources/
- Adibhatla S, et al. (2024). A Systematic Review of Methodologies and Outcome Measures of Mobile Integrated Health-Community Paramedicine Programs. Prehospital Emergency Care, 28(1), 168–178. https://pubmed.ncbi.nlm.nih.gov/36260780/
- Wanner GK, Burch KR. (2024). EMS Community Paramedicine and Mobile Integrated Health. In: StatPearls [Internet]. StatPearls Publishing. https://pubmed.ncbi.nlm.nih.gov/39383282/
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