Diabetes (Type 1 and Type 2)

We provide complete diabetes care including blood glucose monitoring, A1C tracking, medication management (oral medications and insulin), nutrition counseling, and coordination with endocrinologists and ophthalmologists when needed. Our goal is to help you achieve stable blood sugar control, reduce long-term complication risk, and live well with the condition.

High Blood Pressure (Hypertension)

Hypertension often has no symptoms but significantly raises your risk of heart attack, stroke, and kidney disease if left uncontrolled. We monitor blood pressure regularly, prescribe and adjust medications as needed, and work with you on diet, exercise, and stress management strategies that lower blood pressure naturally.

Heart Disease and Cardiovascular Conditions

We manage cardiovascular risk factors, coordinate with cardiologists for patients with established heart disease, oversee cardiac medications, and provide preventive care to reduce future cardiovascular events. Patients recovering from heart attacks, bypass surgery, or living with heart failure receive consistent primary-care oversight.

COPD and Asthma

Chronic Obstructive Pulmonary Disease and asthma both require careful long-term management to prevent flares and preserve lung function. We coordinate inhaler regimens, oxygen therapy when appropriate, smoking cessation support, vaccination updates (flu, pneumonia, RSV), and pulmonologist referrals when specialized care is needed.

High Cholesterol (Hyperlipidemia)

Elevated cholesterol is a major contributor to heart disease and stroke. We measure your lipid profile, evaluate your overall cardiovascular risk, prescribe statins or other medications when warranted, and provide dietary and lifestyle guidance to bring cholesterol into a healthy range.

Thyroid Disorders

We diagnose and manage hypothyroidism, hyperthyroidism, Hashimoto's thyroiditis, Graves' disease, and thyroid nodules. Care includes blood testing, medication management (such as levothyroxine), and coordination with endocrinologists for complex cases.

Parkinson's Disease

While Parkinson's disease is typically co-managed with a neurologist, your primary care physician plays a critical role in coordinating overall health, managing medications, addressing co-occurring conditions, and supporting quality of life. Dr. O'Brien provides this primary-care foundation for Parkinson's patients in the Vista area.

Arthritis and Joint Conditions

We manage osteoarthritis, rheumatoid arthritis, and other inflammatory joint conditions through medication management, pain control strategies, physical therapy referrals, and coordination with rheumatologists or orthopedic specialists when needed.

Mental Health (Anxiety and Depression)

Mental and physical health are deeply connected, and we treat them with equal seriousness. We screen for and manage anxiety, depression, and related conditions through medication management, lifestyle interventions, and referrals to therapists or psychiatrists when specialized care is the right next step.

Obesity and Weight Management

We provide evidence-based care for obesity, including metabolic evaluation, nutritional counseling, exercise guidance, medication management when appropriate (including newer GLP-1 medications when clinically indicated and covered by insurance), and coordination with dietitians or bariatric specialists for patients pursuing more intensive treatment.