Dr. Darin Hisanaga began practicing vetinary medicine at Leeward Waipahu Veterinary Clinic in 1991 and became its sole owner ... in 2009. In 2010, he broke ground on the new pet hospital just a mile away from the Waipahu-Leeward Veterinary Clinic. The new hospital was completed in 2012, and at its inception, 7 doctors to 15. The Waipahu Waikele Pet Hospital is now the states second largest pet hospital and the largest locally owned facility with two more locations located in Wahiawa and Kailua. read more