For patients living with multiple chronic conditions, managing health is rarely as straightforward as following a single treatment plan. A patient with diabetes, heart failure, and chronic kidney disease may need to manage several medications, follow different dietary recommendations, attend appointments with multiple specialists, and monitor symptoms that can be difficult to attribute to one condition. While each diagnosis may have an established treatment pathway, making those pathways work together can present a significant challenge for patients and providers alike.
This is the reality of multimorbidity, generally defined as the presence of two or more chronic conditions in the same person. As multimorbidity becomes increasingly common, healthcare organizations must look beyond disease-specific management and consider how care is coordinated across the full range of a patient’s needs. The goal is not simply to manage multiple diagnoses at once, but to create a more connected approach that accounts for the complexity of treating the whole patient.
The Growing Prevalence of Multimorbidity
Multimorbidity affects a substantial share of the U.S. adult population. According to a 2025 CDC study using 2023 survey data, 51.4% of U.S. adults reported two or more of 12 selected chronic conditions, representing approximately 131 million people. Among adults aged 65 and older, that figure reached 78.8%. The same research found that multimorbidity was not limited to older adults, with 27.1% of adults aged 18 to 34 reporting multiple chronic conditions.
These findings have implications for how healthcare organizations approach chronic disease management. When patients have several ongoing conditions, managing each diagnosis independently may not adequately address the complexity of their overall health. Treatment decisions, care plans, and follow-up responsibilities increasingly need to account for how conditions interact and how the combined demands of care affect a patient’s daily life.
When Disease-Specific Care Becomes Fragmented
Clinical guidelines provide important direction for managing individual chronic conditions, but patients with multimorbidity may receive care from several providers, each focused on a different aspect of their health. Without effective coordination, this can create competing priorities. Medication changes made by one provider may need to be evaluated alongside treatments prescribed by another, while a recommendation intended to support one condition may be difficult to follow because of another.
The burden also extends beyond clinical decision-making. Patients and caregivers are often responsible for keeping track of instructions, communicating updates between providers, scheduling appointments, and recognizing when symptoms require attention. For someone managing several conditions, these responsibilities can become increasingly difficult to navigate, particularly when care teams are not consistently communicating with one another.
For healthcare organizations, this creates a need for care processes that connect individual treatment decisions to a more complete understanding of the patient. Rather than treating each encounter as a separate event, coordinated care can help ensure that providers have greater visibility into the patient’s overall needs and that recommendations are considered within the context of their broader care plan.
Medication Management Challenges in Multimorbidity
Medication management is one of the clearest examples of why multimorbidity requires a coordinated approach. Patients managing several chronic conditions may receive prescriptions from different specialists, experience frequent changes in medication regimens, or struggle to understand how medications fit together. As treatment plans become more complex, opportunities for confusion, medication discrepancies, and adherence challenges can increase.
The concern is not simply the number of medications a patient takes. It is whether those medications remain appropriate, whether the patient understands how to take them, and whether potential interactions, side effects, or adherence barriers are identified. Care coordination can support this process through medication reconciliation, ongoing review, patient education, and communication with prescribing clinicians.
It can also help identify practical barriers that may otherwise go unnoticed, including medication costs, difficulty obtaining refills, or confusion following a hospitalization. For patients with multimorbidity, medication management should be viewed as an ongoing responsibility that requires communication and follow-through between visits, rather than an isolated task completed during an office appointment.
Coordinated Care Planning for Patients With Multimorbidity
A patient with multiple chronic conditions does not experience those conditions as separate clinical categories, and their care plan should reflect that reality. CMS recognizes the need for ongoing coordination through Chronic Care Management, which supports eligible Medicare patients with two or more chronic conditions expected to last at least 12 months, or until death, and that place them at significant risk of death, acute exacerbation or decompensation, or functional decline. The program emphasizes ongoing coordination and comprehensive care planning across providers and settings.
For patients with multimorbidity, an individualized care plan can help bring different clinical priorities into a shared framework. That means considering not only diagnoses and treatment recommendations, but also functional limitations, patient goals, caregiver needs, and the patient’s ability to manage care at home. A coordinated plan can also help care teams recognize when recommendations may conflict or when the demands of treatment become difficult for a patient to sustain.
The objective is not to replace disease-specific expertise, but to ensure that individual treatment plans contribute to a coherent approach to the patient’s overall health. When care teams work from a shared understanding of patient needs and priorities, they are better positioned to coordinate interventions, communicate changes, and support more consistent follow-through.
Coordinating Care Across Multiple Specialists
For patients with multimorbidity, specialist involvement can be essential, but it also adds complexity to care management. A patient may see a cardiologist, nephrologist, endocrinologist, and primary care provider, with each clinician making recommendations based on a particular condition. While those recommendations may be clinically appropriate individually, patients can struggle when they are expected to reconcile different instructions or manage overlapping treatment requirements on their own.
Effective coordination requires communication across these providers, particularly when treatment decisions have implications beyond a single diagnosis. Changes to medications, diagnostic findings, new symptoms, and adjustments to treatment plans may need to be shared with other members of the care team. Without that communication, patients may receive inconsistent guidance or face unnecessary delays in addressing emerging concerns.
A coordinated approach can help clarify responsibilities, support timely information sharing, and ensure that treatment decisions account for the patient’s broader clinical picture. Primary care providers, specialists, care coordinators, and other members of the care team each play a role in making sure patients receive consistent guidance rather than a collection of disconnected recommendations.
Social Needs Can Complicate Multiple Conditions at Once
Managing multimorbidity also requires understanding the circumstances in which patients are trying to follow their care plans. Food insecurity may complicate dietary recommendations for diabetes, cardiovascular disease, and kidney disease, while transportation barriers may affect appointments with several specialists. Financial constraints can make medications, medical supplies, and other necessities difficult to obtain, creating additional challenges for patients already managing demanding treatment regimens. These social determinants of health can influence multiple aspects of a patient’s care simultaneously, making it important for care teams to consider whether patients have the resources and support needed to follow clinical recommendations.
Identifying these barriers is an important first step, but it is not sufficient on its own. Care teams also need practical ways to respond, whether that involves adjusting care plans, coordinating with providers, or connecting patients to appropriate community-based services. For patients managing several conditions, addressing one underlying barrier may help make multiple parts of the care plan more achievable.
The Evidence Points Toward More Targeted, Patient-Centered Care
Although the need for coordinated care is clear, research also shows that multimorbidity interventions do not produce uniform results. A 2021 systematic review of 16 randomized controlled trials involving 4,753 participants examined interventions that included care coordination, self-management support, and medication management. Researchers found little or no evidence of improvement in health-related quality of life or mental health, although a small number of studies suggested that care coordination may improve patient experience and that self-management support may improve certain health behaviors.
These findings reinforce an important distinction for healthcare organizations: adding more care management activity does not automatically lead to better outcomes. The effectiveness of an intervention may depend on the patient’s clinical complexity, the specific challenges being addressed, the intensity of support provided, and how well that support is integrated into existing care.
A more targeted approach considers clinical risk, patient preferences, functional needs, and barriers to following treatment recommendations. It also requires meaningful measurement. Beyond documenting outreach and care-management activity, organizations should evaluate whether patients are completing follow-up, resolving identified care gaps, engaging with their care plans, and receiving timely support when needs change. Understanding which interventions are effective for different patient populations can help organizations refine their approach rather than relying on a single model for everyone.
Bringing Multiple Treatment Plans Into One Coordinated Approach
As the prevalence of multimorbidity grows, healthcare organizations will increasingly care for patients whose needs cannot be addressed through isolated disease-management strategies. Meeting those needs requires better communication across providers, individualized care planning, and greater attention to the practical challenges patients face when managing several conditions simultaneously. Rather than expecting patients to navigate separate treatment plans independently, healthcare organizations have an opportunity to create greater continuity across the providers and services involved in their care.
Technology can help care teams organize patient information, identify relevant care gaps, and prioritize follow-up across complex patient populations. At CareHarmony, CareBlocks™ support this approach by helping clinicians identify patient needs and deliver more personalized interventions at scale. But technology is only part of the equation. Effective multimorbidity management still depends on clinical judgment, communication between providers, meaningful patient engagement, and the ability to respond as circumstances change.
Managing multimorbidity effectively requires moving beyond individual diagnoses and considering how treatment decisions, care plans, and patient needs intersect. By bringing those elements into a more coordinated approach, healthcare organizations can help make complex chronic care more connected, manageable, and responsive to the people receiving it.
Sources
- Watson KB, Wiltz JL, Nhim K, et al. Trends in Multiple Chronic Conditions Among US Adults, By Life Stage, Behavioral Risk Factor Surveillance System, 2013–2023. Preventing Chronic Disease. 2025;22:240539.
https://www.cdc.gov/pcd/issues/2025/24_0539.htm - Smith SM, Wallace E, Clyne B, Boland F, Fortin M. Interventions for Improving Outcomes in Patients With Multimorbidity in Primary Care and Community Setting: A Systematic Review. Systematic Reviews. 2021;10:271.
https://pubmed.ncbi.nlm.nih.gov/34666828/ - Centers for Medicare & Medicaid Services. Chronic Care Management for Complex Conditions.
https://www.cms.gov/medicare/payment/fee-schedules/physician-fee-schedule/chronic-care-management-complex-conditions