About Dr. James Zhang
Dr. James Zhang is a sleep medicine physician at Hancock Regional Sleep Center in Greenfield, IN.
In Medicare's directory, Dr. Zhang is also listed under neurology.
Dr. Zhang completed medical school in 1985.
According to Medicare, Dr. Zhang accepts Medicare assignment.
Where Dr. Zhang practices
Professional Building, 801 N. State Street, Suite 300, Greenfield, IN 46140
(317) 468-4610
Clinic rated 4.6 from 64 Google reviews
Questions about Dr. James Zhang
Where does Dr. James Zhang practice?
Dr. James Zhang is listed at Hancock Regional Sleep Center (Greenfield, IN). Call the clinic to confirm before you book.
How do I make an appointment with Dr. James Zhang?
Call Hancock Regional Sleep Center at (317) 468-4610 and ask for Dr. Zhang. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. James Zhang specialize in?
Dr. James Zhang specializes in sleep medicine, with neurology also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. James Zhang accept Medicare?
Medicare's clinician directory lists Dr. Zhang 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. James Zhang, or is something here out of date? Let us know. Find a sleep doctor near you.