What Is a Geriatric Doctor and What Do They Do?

A geriatric doctor, formally called a geriatrician, is a physician specifically trained to evaluate and manage the unique healthcare needs of older adults. Rather than focusing on a single organ or disease, geriatricians specialize in the overlapping, complex health challenges that come with aging, from memory loss and frequent falls to managing a long list of medications safely. Their goal is to help older adults maintain independence and quality of life for as long as possible.

What Geriatricians Actually Do

A geriatrician’s day looks different from a typical primary care doctor’s. Much of their work centers on problems that don’t fit neatly into one diagnosis. An older person who keeps falling, for example, might have a combination of medication side effects, poor vision, muscle weakness, and low blood pressure. A geriatrician is trained to look at all of those factors together rather than treating each one in isolation.

The conditions geriatricians manage most often are known as geriatric syndromes. These include delirium (sudden confusion), falls, frailty, urinary incontinence, dizziness, and functional decline, meaning the gradual loss of ability to handle everyday tasks like bathing, cooking, or managing finances. These syndromes are called “multifactorial” because they result from the accumulated effects of impairments across multiple body systems, not a single disease. That layered complexity is exactly what geriatricians are trained for.

Geriatricians also manage chronic conditions common in older adults, such as dementia, osteoporosis, Parkinson’s disease, and heart failure. But their approach differs from other specialists. Instead of pursuing aggressive treatment of every individual condition, they weigh each treatment against the person’s overall health, daily functioning, and personal goals. For someone in their late 80s with several serious diagnoses, that might mean focusing on comfort and independence rather than adding another medication.

Medication Management

One of the most valuable things a geriatrician does is sort through a patient’s medications. It’s common for older adults to take five, ten, or even more prescriptions, each originally prescribed for a good reason but collectively creating problems. Side effects from one drug can mimic new symptoms, leading to yet another prescription. Geriatricians call this polypharmacy, and untangling it is a core part of their practice.

They use two key processes to do this. First, medication reconciliation: building the most accurate possible list of everything a patient is taking and identifying conflicts or duplicates that may have crept in from different prescribers. Second, medication review: cross-checking that full list against the patient’s actual diagnoses, geriatric syndromes, kidney and liver function, and personal preferences. The result is a personalized medication strategy. In many cases, the most helpful thing a geriatrician does is stop a medication rather than start one.

The Comprehensive Geriatric Assessment

A first visit with a geriatrician typically involves a comprehensive geriatric assessment, which goes well beyond a standard physical exam. It evaluates physical health, cognitive ability, mental health, functional ability, social support, financial situation, and even home safety.

The functional portion checks whether a person can independently perform basic activities of daily living: eating, dressing, bathing, getting in and out of a chair, using the toilet, and controlling bladder and bowel function. It also looks at more complex tasks called instrumental activities, things like preparing meals, managing finances, doing housework, taking medications correctly, running errands, and using a phone. Decline in these areas often signals problems before a major health crisis hits.

Cognition is screened with short, validated tests. You might be asked to remember three words and draw a clock face. Mental health screening checks for depression, which is common in older adults and frequently underdiagnosed. The whole picture, physical, cognitive, emotional, and social, is then used to build a care plan tailored to that specific person.

The Team Approach

Geriatricians rarely work alone. Geriatric care typically involves an interdisciplinary team that can include a nurse practitioner, a pharmacist, a social worker, a dietitian, and a physical therapist, among others. The geriatrician coordinates this team, and members meet regularly to discuss individual patients and adjust care plans. This collaborative approach is especially important for patients with complex needs that span medical, social, and functional domains.

How Geriatric Care Differs From Primary Care

Your regular family doctor or internist can certainly treat older adults, and most do. The difference is in depth and focus. A primary care visit often centers on managing a specific complaint or updating prescriptions. A geriatrician’s visit is more likely to assess how all of a patient’s conditions interact, how daily functioning is holding up, and whether the current treatment plan still aligns with the patient’s goals.

A geriatrician may be particularly helpful if you or a loved one:

  • Has multiple chronic conditions that complicate each other’s treatment
  • Takes many medications and is experiencing side effects or confusion about the regimen
  • Is experiencing functional decline, such as difficulty with balance, mobility, or self-care
  • Has a condition associated with aging like dementia, incontinence, or osteoporosis
  • Finds that treatment for one condition is worsening another

There’s no specific age cutoff. Some people benefit from a geriatrician in their 60s; others don’t need one at 80. The trigger is complexity, not a birthday. That said, patients with complex care needs are disproportionately older and often have physical frailty, cognitive impairment, and social or financial challenges layered on top of their medical problems.

What the Research Shows

A study published in Frontiers in Medicine compared outcomes for hospitalized older adults treated by geriatrician-led teams versus non-geriatrician teams at an academic hospital. Geriatrician-led care was associated with shorter hospital stays and lower costs, with no significant difference in in-hospital mortality or 30-day readmission rates. Patients under geriatrician-led care had 27% lower odds of an extended hospital stay and 31% lower odds of extended costs. These findings suggest that the geriatric approach, prioritizing the whole patient and avoiding unnecessary interventions, translates into measurable efficiency without sacrificing safety.

Training and Education

Geriatricians complete medical school, then a residency in either internal medicine or family medicine, followed by an additional fellowship specifically in geriatric medicine. This fellowship provides focused training in the assessment and management of age-related conditions, medication safety in older adults, end-of-life care, and the coordination of interdisciplinary teams. After completing fellowship, geriatricians can become board-certified in their subspecialty.

A Growing Shortage

Despite rising demand, the number of geriatricians in the United States is nowhere near adequate. Fewer than 7,300 board-certified geriatricians are actively practicing, less than half of the estimated 20,000 needed to meet current demand. The American Geriatrics Society has projected a shortfall of over 27,000 geriatricians by 2025. The ratio of geriatricians per 100,000 adults aged 65 and older has actually dropped, from 2.4 in 2010 to 1.9 in 2024.

This matters because the older population is growing fast. By 2030, one in five Americans will be 65 or older. The practical reality is that many older adults will not have easy access to a geriatrician, particularly in rural areas. In those cases, a primary care doctor who consults with a geriatrician, or a care team that includes geriatric-trained nurse practitioners and pharmacists, can fill some of the gap. Several care models have been developed to extend geriatric expertise to more patients, including home-based primary care programs for homebound older adults and the Program for All-Inclusive Care of the Elderly (PACE), which aims to keep nursing home-eligible patients living in the community as long as possible.