Name: Dr. Esther Yoo, MD
Specialty: Internal Medicine (General Internal Medicine)
Qualification/Board Certification: Doctor of Medicine (MD), Drexel University College of Medicine/Hahnemann University
Affiliation(s): NewYork-Presbyterian Hospital-Columbia and Cornell
Location (City/State): Wayne, Pennsylvania
Languages Spoken: English
Accepting New Patients: Yes
NPI Number: 1396279352
About the Doctor
Dr. Esther Yoo is a board-certified internist based in Wayne, Pennsylvania, with between 6 to 10 years of clinical experience in the field of general internal medicine. She completed her medical degree at Drexel University College of Medicine/Hahnemann University, one of the prominent medical institutions on the East Coast, and has since built a strong foundation in adult primary care. She is affiliated with NewYork-Presbyterian Hospital-Columbia and Cornell, ranked as the number one hospital in New York and a recipient of the Best Hospitals Honor Roll distinction by U.S. News & World Report, reflecting the high-caliber medical environment in which she practices.
Dr. Yoo currently practices at the Weill Medical College of Cornell-associated physician office, where she works alongside a multidisciplinary team of specialists in gastroenterology, endocrinology, and internal medicine. She holds active medical licenses in Pennsylvania (through 2026), New York (through 2027), and Nevada, demonstrating her broad professional reach. She is currently accepting new patients and offers appointment booking online, making access to her care straightforward and convenient.
Education & Training
Medical School: Drexel University College of Medicine / Hahnemann University
Residency: Internal Medicine (affiliated training, details on file with licensing boards)
Fellowship/Additional Training: General Internal Medicine subspecialty focus
Medical Conditions Treated
Dr. Yoo has demonstrated expertise across a wide range of adult medical conditions, with particularly high patient volumes in the following areas compared to the state average:
- Chronic Hypertension (High Blood Pressure)
- High Cholesterol (Hyperlipidemia)
- Upper Respiratory Infections (URI)
- Type 2 Diabetes
- Bronchitis
- General acute and chronic illness management in adult patients
Medical Procedures Performed
- Diagnostic evaluations and physical examinations
- Blood pressure monitoring and cardiovascular risk assessment
- Lipid panel interpretation and cholesterol management planning
- Blood glucose monitoring and diabetic care protocols
- Respiratory assessments and pulmonary function evaluations
- Preventive health screenings (cancer screenings, metabolic panels, etc.)
- Chronic disease management consultations
- Referrals to subspecialists as clinically indicated
Services Offered
Dr. Yoo provides a comprehensive range of primary care services tailored exclusively to adult patients, as is standard for internists. Her practice encompasses both preventive medicine and the management of complex, ongoing health conditions, making her a valuable long-term healthcare partner for her patients.
On the preventive side, Dr. Yoo conducts routine annual wellness visits, age-appropriate health screenings, immunizations, and lifestyle counseling aimed at reducing risk factors for cardiovascular disease, metabolic disorders, and respiratory illness. She emphasizes early detection and proactive management as central pillars of her approach to patient care.
For patients managing chronic conditions, Dr. Yoo offers structured, ongoing care plans for diseases such as hypertension, diabetes, and hyperlipidemia. This includes medication management, regular monitoring of lab values and vitals, and patient education to support self-management at home. Her approach integrates evidence-based guidelines with individualized care, ensuring each patient’s treatment plan reflects their unique health profile and goals.
Dr. Yoo also addresses acute illnesses such as upper respiratory infections, bronchitis, and other common adult ailments, providing timely evaluations and appropriate treatment. In addition, she coordinates care across specialties by facilitating referrals to cardiologists, endocrinologists, pulmonologists, and other subspecialists within her affiliated hospital network when needed.
Key services include:
- Annual wellness exams and preventive health checkups
- Chronic disease management (hypertension, diabetes, high cholesterol)
- Acute illness evaluation and treatment
- Cardiovascular risk assessment and lifestyle counseling
- Medication management and prescription services
- Coordination of specialist referrals
- Telehealth consultations (contact office for availability)
- Online appointment booking
Accepted Insurances
- Aetna – EPO, HMO, Medicare, POS, PPO
- Cigna – PPO
- CMS Medicare – Medicare
- Elevance – EPO, HMO, Medicare, POS, PPO
- NY State Medicaid – Medicaid
- Regence Health Plans – PPO
- United Healthcare – HMO, Medicaid, POS, PPO
Practice Locations
Location 1 Address: 145 King of Prussia Rd, Wayne, PA 19087
Phone: 1-928-910-8121
Hospital Affiliations
NewYork-Presbyterian Hospital-Columbia and Cornell New York, NY U.S. News Best Hospitals Honor Roll | Ranked #1 in New York

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