About
Dr. William McDonald founded Park Avenue Geriatrics to bring a relationship-centered approach to geriatric and internal medicine in New York City. He earned his medical degree from Emory University School of Medicine in Atlanta, then completed a residency in Internal Medicine-Primary Care at Yale in New Haven, where he also served as Chief Medical Resident. He went on to complete a fellowship in Geriatrics at Weill Cornell, deepening his focus on older adults with complex medical needs. He holds board certification in Internal Medicine and maintains an affiliation with NewYork-Presbyterian/Weill Cornell Medicine Hospital. Super Doctors® has recognized him in Geriatrics.
Dr. McDonald's research spans medication appropriateness, heart failure management, loneliness among older adults, and high-intensity care for nursing home residents with severe dementia. He is passionate about polypharmacy and the clinical nuances of medication complexity in aging patients. He believes that living well looks different for every patient, and he tailors his approach accordingly. Whether a patient wants to stay competitive on the tennis court or remain sharp in a demanding career, Dr. McDonald focuses on the specific goals each person brings to the practice. House calls are central to his care model, as is the kind of unhurried, thorough visit that lets him understand what matters most to each patient and their family.
Education & Training
Medical School
Emory University School of Medicine, Atlanta, GA
Residency
Internal Medicine-Primary Care, Yale, New Haven, CT (also served as Chief Medical Resident)
Fellowship
Geriatrics, Weill Cornell, New York, NY
Certifications
Conditions Treated
Who is Dr. McDonald right for?
Dr. McDonald is an excellent fit for older adults managing multiple chronic conditions simultaneously. Patients dealing with complex medication regimens, heart failure, dementia, or polypharmacy benefit from his specialized geriatric training. He works well with active, goal-oriented patients who want a physician deeply familiar with their personal circumstances. Patients who value house calls and extended visits will feel at home in his practice.
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Internal MedicineFrequently Asked Questions
Dr. McDonald focuses on geriatric medicine and internal medicine, with particular expertise in heart failure, dementia, polypharmacy, and medication complexity in older adults. He also treats loneliness as a clinical concern among aging patients. His training and research give him a strong foundation in managing multiple conditions at the same time.
Yes. Dr. McDonald holds board certification in Internal Medicine. He also completed a fellowship in Geriatrics at Weill Cornell, which gives him specialized training beyond his internal medicine credential.
Dr. McDonald earned his medical degree at Emory University School of Medicine in Atlanta. He then completed his Internal Medicine-Primary Care residency at Yale in New Haven, where he served as Chief Medical Resident. He finished his training with a Geriatrics fellowship at Weill Cornell in New York.
Yes. House calls are a core part of how Dr. McDonald practices medicine. He brings his clinical expertise directly to patients' homes, which is especially valuable for older adults who have difficulty traveling to an office.
Dr. McDonald uses validated clinical tools to review each medication on a patient's list. His goal is to ensure every medication improves the patient's quality of life. Where possible, he works to simplify the regimen and eliminate treatments that no longer serve the patient well.
Yes. Dr. McDonald has co-authored research on loneliness among older adults, heart failure medication management, medication complexity after hospitalization, shared decision-making with heart failure patients, and end-of-life care for nursing home residents with severe dementia.
Dr. McDonald maintains an affiliation with NewYork-Presbyterian/Weill Cornell Medicine Hospital in New York City. This gives his patients access to one of the leading academic medical centers in the country when hospital-level care is needed.
Yes. Super Doctors® has recognized Dr. McDonald in Geriatrics, a peer-nominated designation that reflects his standing among physicians in his specialty.
Dr. McDonald believes that living well looks different for every patient. He tailors his approach to each individual's personal goals, whether that means staying active, managing a demanding career, or maintaining independence at home. He values extended visits and deep patient relationships as the foundation of good medical care.
Doctor profile last updated June 12, 2026