About Dr. Mark Gosnell
Dr. Mark Gosnell is a sleep medicine physician at MedStar Harbor Hospital Sleep Center in Baltimore, MD.
In Medicare's directory, Dr. Gosnell is also listed under pulmonary disease and critical care (intensivists).
Dr. Gosnell graduated from Drexel University College of Medicine in 1997.
According to Medicare, Dr. Gosnell accepts Medicare assignment and offers telehealth visits.
Where Dr. Gosnell practices
3001 South Hanover Street, Baltimore, Maryland, 21225
(410) 350-3538
Clinic rated 4.2 from 1,161 Google reviews
Other sleep physicians at MedStar Harbor Hospital Sleep Center
Questions about Dr. Mark Gosnell
Where does Dr. Mark Gosnell practice?
Dr. Mark Gosnell is listed at MedStar Harbor Hospital Sleep Center (Baltimore, MD). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Mark Gosnell?
Call MedStar Harbor Hospital Sleep Center at (410) 350-3538 and ask for Dr. Gosnell. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Mark Gosnell specialize in?
Dr. Mark Gosnell specializes in sleep medicine, with pulmonary disease and critical care (intensivists) also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Mark Gosnell accept Medicare?
Medicare's clinician directory lists Dr. Gosnell 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. Mark Gosnell offer telehealth?
Medicare's clinician directory lists Dr. Gosnell 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. Mark Gosnell, or is something here out of date? Let us know. Find a sleep doctor near you.