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Sleep Center

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Scheduling an Appointment

An appointment can be requested by calling 443-287-3313.

If a provider would like their patient to have overnight sleep testing prior to their clinic evaluation, a referral form must be completed and faxed to our office for review. Office notes including a history and physical and any necessary insurance referrals must also be included.

New patients should bring a completed Sleep Questionnaire to their clinic or laboratory visit.


Sleep Center
(Overnight and daytime sleep testing)

Johns Hopkins Outpatient Center
601 North Caroline Street – Suite 1261
Baltimore, MD  21287

Sleep Clinic
(Clinic evaluations with a Physician or Nurse Practitioner)

Johns Hopkins Outpatient Center
601 North Caroline Street – 7th Floor, Adult Medicine Clinic
Baltimore, MD  21287

Phone: 443-287-3313
Fax:    443-287-3312

Click for directions

Our Physicians

Susheel Patil, MD, PhD (Clinical Director)
Pulmonary and Critical Care Medicine

Charlene Gamaldo, MD (Medical Director)

Vsevolod Polotsky, MD, PhD
Pulmonary and Critical Care Medicine

Rachel Salas, MD

Jonathan Jun, MD
Pulmonary and Critical Care Medicine

Michael Smith, PhD
Clinical Psychologist

Mark Wu, MD PhD

Our Staff

Seema Gulyani, CRNP, PhD
Nurse Practitioner

Sherry Hill, RPSGT
Laboratory Coordinator

Bernadette Clark
Senior Medical Office Coordinator

External Links

National Sleep Foundation

American Academy of Sleep Medicine

Sleep Services of America

Johns Hopkins Pharmaquip

American Sleep Apnea Association