About Dr. William Castaldo
Dr. William Castaldo is a sleep medicine physician at Elkhart General Hospital Sleep Disorders Center in Elkhart, IN.
In Medicare's directory, Dr. Castaldo is also listed under critical care (intensivists), internal medicine, and pulmonary disease.
Dr. Castaldo completed medical school in 1981.
According to Medicare, Dr. Castaldo accepts Medicare assignment.
Where Dr. Castaldo practices
500 Arcade Avenue, Elkhart, IN 46514
(574) 524-7400
Clinic rated 5 from 1 Google review
Other sleep physicians at Elkhart General Hospital Sleep Disorders Center
Questions about Dr. William Castaldo
Where does Dr. William Castaldo practice?
Dr. William Castaldo is listed at Elkhart General Hospital Sleep Disorders Center (Elkhart, IN). Call the clinic to confirm before you book.
How do I make an appointment with Dr. William Castaldo?
Call Elkhart General Hospital Sleep Disorders Center at (574) 524-7400 and ask for Dr. Castaldo. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. William Castaldo specialize in?
Dr. William Castaldo specializes in sleep medicine, with critical care (intensivists), internal medicine, and pulmonary disease also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. William Castaldo accept Medicare?
Medicare's clinician directory lists Dr. Castaldo as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. William Castaldo, or is something here out of date? Let us know. Find a sleep doctor near you.