About Dr. Douglas Rennert
Dr. Douglas Rennert is a sleep medicine physician at Pulmonary and Critical Care Associates & Sleep Diagnostic Center in Leesburg, VA, and is also listed at 1 other location.
In Medicare's directory, Dr. Rennert is also listed under pulmonary disease, critical care (intensivists), and internal medicine.
Dr. Rennert graduated from Columbia University College of Physicians and Surgeons in 1984.
According to Medicare, Dr. Rennert accepts Medicare assignment and offers telehealth visits.
Where Dr. Rennert practices
19455 Deerfield Avenue, Suite 206, Leesburg, VA 20176
(703) 858-9608
1860 Town Center Drive Suite 270, Reston, VA 20190
(703) 318-8157
Other sleep physicians at these clinics
Questions about Dr. Douglas Rennert
Where does Dr. Douglas Rennert practice?
Dr. Douglas Rennert is listed at Pulmonary and Critical Care Associates & Sleep Diagnostic Center (Leesburg, VA) and Pulmonary and Critical Care Associates & Sleep Diagnostic Center (Reston, VA). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Douglas Rennert?
Call Pulmonary and Critical Care Associates & Sleep Diagnostic Center at (703) 858-9608 and ask for Dr. Rennert. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Douglas Rennert specialize in?
Dr. Douglas Rennert specializes in sleep medicine, with pulmonary disease, critical care (intensivists), and internal medicine also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Douglas Rennert accept Medicare?
Medicare's clinician directory lists Dr. Rennert 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.
Does Dr. Douglas Rennert offer telehealth?
Medicare's clinician directory lists Dr. Rennert as offering telehealth. Ask the clinic which visits can be done remotely; a sleep study itself usually happens at home or in a lab.
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. Douglas Rennert, or is something here out of date? Let us know. Find a sleep doctor near you.