Dr. Douglas Herbert Zaeh, MD

Dr. Douglas Zaeh specializes in internal medicine and brings 45 years of experience to his practice. He earned his medical degree from Rutgers New Jersey Medical School, building a strong foundation for his comprehensive approach to adult healthcare. Throughout his extensive career, Dr. Zaeh has developed expertise in managing complex internal medicine conditions. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Zaeh practices at Hackensack Meridian Mountainside Medical Center and maintains locations in Montclair and Glen Ridge, New Jersey. His clinical focus includes treating elimination disorders and bladder control issues. He performs diagnostic procedures such as Doppler ultrasound to evaluate blood flow and breathing tests to assess lung function. Dr. Zaeh also provides minor surgical procedures including abscess drainage when needed.