Circadian Sleep Disorders Network - Advocating for people with misaligned body clocks
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Find a Doctor

Patients with DSPD or Non-24
have found these sleep specialists to be
knowledgeable and helpful
regarding CRDs

Disclaimer: We simply post suggestions we receive from (one or more) patients. We do not have first-hand knowledge of these doctors, and cannot be held responsible for bad suggestions or errors in posted information.

We do not accept payment for any listings. These are based entirely on recommendations we receive.

Let us know at  if you find errors or broken links.

We would like to hear about other doctors who have good and up-to-date knowledge about circadian rhythm disorders (CRDs) and are supportive. If you (or your child) have seen such a doctor for a CRD and would like to suggest him/her for inclusion, please send us () the contact information, the doctor's specialty, and any comments you wish to include such as your diagnosis. (Your name and comments will remain private.) Thank you for helping others find a doctor.

Jump to doctors in the USA

DOCTORS OUTSIDE OF THE USA, alphabetically by country (English name):


Prof David Barnes
Suite 416, Level 4
100 Carillon Avenue
Newtown, NSW 2042, Australia
Phone: (02) 9516 2911

Darren Mansfield, PhD
Monash University Healthy Sleep Clinic
Notting Hill (Melbourne), Victoria, Australia
Tel: +61 3 9905 1428

Dev Banerjee, Sleep Disorder Specialist
Medical Director at Woolcock Institute of Medical Research, University of Sydney,
431 Glebe Point Road, Glebe
2037 Sydney, New South Wales, Australia
Staff Specialist in Sleep and Thoracic Medicine at St Vincent's, Darlinghurst
Sydney, New South Wales, Australia


Dr Olivier Van Reeth
Hôpital Delta
Centre des Troubles du Sommeil
Boulevard du Triomphe 201
1160 Brussels, Belgium
Tel: 02 434 81 00

Dr. Poirrier Robert
Clinique André Renard
Centre de Médecine du Sommeil
Rue André Renard 1
4040 Herstal, Belgium

Dr Julien Fanielle
Centre du Sommeil
Liège, Belgium


Dra. Dalva Poyares
Instituto do Sono
Rua Marselhesa, 500 - 10º andar
São Paulo - SP - Brazil
Tel: +55 11 2108-7777


Maureen Ceresney, Psychiatrist
Sleep Disorders Clinic, University of British Columbia
G285-2211 Wesbrook Mall
Vancouver, BC, Canada, V6T 2B5
Telephone: 604-822-7606; referral required

Colin M Shapiro
Director of the Sleep & Alertness Clinic & Sleep Research Laboratory
Toronto Western Hospital
Toronto, Ontario, Canada
Telephone: 416-603-5075
Director of the Youthdale Child & Adolescent Sleep Clinic
Toronto, Ontario, Canada
Telephone: 416-703-0505


Dr Eric Konofal (works exclusively with children)
Hôpital Robert-Debré
48 boulevard Sérurier
75019 Paris, France
Tel: 01 40 03 20 00

Dr Olympe Veron
75 rue de Rennes
75006 Paris, France
Tel: 01 45 49 07 15


Dr. Dieter Kunz (Somnologe)
Klinik für Schlaf- und Chronomedizin im St. Hedwig-Krankenhaus
AG Schlafforschung & Klinische Chronobiologie im Institut für Physiologie der Charité
Große Hamburger Straße 5-11
10115 Berlin, Germany


Paul Bejjani, Neurologist


Dr M Vlak
Sleepcenter, MCH Westeinde
The Hague, The Netherlands


Fred Holsten, MD, Psychiatrist, PhD
Bergen søvnsenter
Bryggen 9
NO-5003 Bergen, Norway
Fax: 55 32 31 53

Simranjit Kaur Bajwa, neurology, sleep
Sørkedalsveien 10C
0369, Oslo, Norway
Telefon: 0047 23 19 50 20

Frode Engtrø, M.D. familiar with CRDs
Spesialist i Allmenmedisin, Idnr 8352798
Mathesongården legesenter
NO-7011 Trondheim, Norway
Telefon: 73 87 04 80


Hans Wickbom, Överläkare
Avesta, Dalarna, Sweden
Telefon: 0226 - 48 90 00


Derya Karadeniz, Professor of Neurology specializing in sleep disorders
Head of Sleep Disorders Unit in Istanbul University, Cerrahpasa Medical Faculty
Tesvikiye mah. Hakki Yeten cad. Unimed Center No:19 Kat:10
Fulya, Besiktas, Istanbul, Turkey.
Tel: +90 212 343 13 85


Dan Park — Consultant Respiratory Medicine
Heart of England Hospital, Birmingham Heartlands Hospital
Bordesley Green East
Birmingham, B9 5SS, UK
Tel (main switchboard): 0121 424 2000

Dr Riha
Department of Sleep Medicine
Royal Infirmary of Edinburgh
Edinburgh, EH16 4SA, UK
Tel (Dr Riha's office): 0131 2423872

Prof Adam Zeman
Department of Neurology
Royal Devon and Exeter Foundation Trust
Barrack Rd
Exeter, EX2 5DW, UK
Tel: 01392 406049 - doctor bio - hospital

We don't have a specific recommendation, but there is a chronobiology section at:
Section of Chronobiology, School of Biosciences and Medicine
University of Surrey
Guildford, Surrey, GU2 7XH, UK
Tel: +44 (0)1483 300800

Michael Farquhar, MD
Children's Sleep Medicine Dept.
Children's Neuroscience Centre (Newcomen Centre at St Thomas') floor 2
Becket House
St Thomas' Hospital
Westminster Bridge Road
London, SE1 7EH, UK
Tel: 020 7188 7188

Prof Adrian Williams, clinical director, consultant sleep and respiratory physician
Dr Alexander Nesbitt
St Thomas' Hospital
Westminster Bridge Road
London, SE1 7EH, UK
Tel: 020 7188 8937

Paul Reading MA, MB BChir, PhD (London & Edinburgh)
Consultant Neurologist, The James Cook University Hospital,
Middlesbrough, TS4 3BW, UK
President of the British Sleep Society
Tel: 01642 850850 ext. 55758

Kirstie Anderson, Consultant Neurologist
Newcastle Upon Tyne Hospitals
NHS Foundation Trust Neurological Sleep Disorders team
Royal Victory Infirmary
Newcastle, NE1 4LP, UK
Tel: 0191 282 3833

Zenobia Zaiwalla, Neurology, Clinical Neurophysiology, paediatric EEG, sleep disorders
Oxford Non-Respiratory Sleep Disorders Clinic
Neurosciences Department, West Wing, John Radcliffe Hospital
Oxford, OX3 9DU, UK
Telephone: 0300 304 7777

Camille Carroll, MD, PhD
no longer sees sleep patients? may recommend someone?
Honorary Consultant Neurologist, Plymouth Hospitals NHS Trust
N16, ITTC, Tamar Science Park
Drake Circus
Plymouth, PL4 8AA, UK
Tel: +44 1752 439829

Dr Andrew Gibson, Neurologist
Royal Hallamshire hospital
Glossop road
Sheffield, South Yorkshire, S10 2JF, UK
Tel: 0114 271 1900

New Zealand

Dr Alex Bartle
Sleep Well Clinic
Saint Heliers Medical Centre
1 Pimlico Building, 10 Turua Street
St Heliers, Auckland, New Zealand
and other locations in New Zealand - see website:

DOCTORS IN THE USA, alphabetically by state:


Ross Dodge, MD, Sleep Medicine and Internal Medicine
Peak Neurology and Sleep Medicine, LLC
2741 Debarr Rd, Suite C-308
Anchorage, Alaska 99508
Phone: (907)-331-3640

Jeffrey Sponsler, MD, MS
Alaska Brain Center
4551 E. Bogard Rd.
Wasilla, Alaska 99654
Phone: (907)-373-6500


Jose de Ocampo, MD, D-ABSM
Arizona Neurology and Sleep Center
10290 N. 92nd Street, Suite 300, Medical Plaza II
Scottsdale, Arizona 85258
Phone: 480-718-9241

Janet E. Tatman, PhD, PA-C [retired]
2410 West Ray Road,
Chandler, Arizona 85224
Phone: (480) 820-4297


Delmer W. Henninger, Jr., Pulmonary and Sleep Medicine
Complete Sleep Solutions
(Los Angeles area) Murrieta, California
(Los Angeles area) Riverside, California

Baldev Rai, Neurologist
Sleep Disorders Medical Center
4500 Brockton Ave, Ste 205
(Los Angeles area) Riverside, California 92501
Phone: 951-784-7190

Lydia Wytrzes, Board certified in Neurology and Sleep Medicine
Sutter Sleep Disorders Centers
1625 Stockton Blvd., Suite 111
Sacramento, California 95816

William N. Devor, Neurologist
Herber Joseph Yue, Pulmonologist
Mona Breid, Nurse Practitioner
Kaiser Permanente
4405 Vandever Ave
San Diego, California

Omar Mesawri, MD (Pulmonology and Sleep Medicine)
UC San Diego Center for Sleep Medicine
4520 Executive Dr, Plaza P2
San Diego, California 92121
(844) 757-5337

Jerrold Alan Kram, MD
California Center for Sleep Disorders
815 Hyde Street Suite #300
San Francisco, CA 94109
also San Leandro, San Rafael, Concord

Jason D. Ranieri, LMFT (Licensed Marriage and Family Therapist)
works with the psychological and emotional components
   of sleep issues and Circadian Rhythm Disorders

444 Estudillo Avenue, Suite D
San Leandro, California 94577
(510) 345-1731

Mahesh Jaya Shetty, MD, MPH, FCCP
500 East Remington Drive Suite 18
Sunnyvale, California 94087
Phone: 650-962-8055


Ann Halbower, pulmonology & pediatrics
Children's Hospital Colorado, 13123 E. 16th Avenue, B395
Aurora, Colorado 80045-7106
Phone: 720-777-6181

Mark B Neagle, Pulmonology, Sleep Medicine
UC Health, 2121 E Harmony Rd Suite 300
Fort Collins, Colorado 80528
Phone: 970-224-9102

Terry Himes, Pulmonologist
Neuroscience Center of the Rockies
1635 Foxtrail Dr Ste 215
Loveland, Colorado 80538


Paul M. Greif, Pulmonologist, American Board of Sleep Medicine Diplomate
Eastern Connecticut Sleep Center, Windham Hospital
Willimantic, Connecticut
Additional office location: Norwich, Connecticut


Mary H. Wagner, board certified in Sleep Medicine (only sees kids), Pediatric Pulmonary and Pediatrics
University of Florida Sleep Clinic
Gainesville, Florida
Phone: 352-265-5240

Gregg L. Friedman MD, Board Certified in Psychiatry and Neurology
2500 East Hallandale Beach Blvd Suite 702
Hallandale Beach, Florida, 33009
Phone: 954-456-1996

Karen M. Baker, MD, board certified in neurology and sleep medicine
Advent Health Sleep Center Orlando
501 E King St
Orlando, Florida 32803
Phone: (407)-303-1558

Joseph Giaimo, DO, PA, Pulmonologist (Doctor of Osteopathy)
2511 Burns Road
Palm Beach Gardens, Florida
Phone: 561-775-3883

Timothy L. Grant, Neurology and Sleep Medicine
6141 Sunset Dr. Suite 301
South Miami, Florida 33143
Phone: 305-665-5552


Dr. Romy Hoque
Emory Sleep Center
Atlanta, Georgia
Phone: (404) 778-7777

Anne Bartolucci, Ph.D., C.B.S.M.
Atlanta Insomnia and Behavioral Health Services
755 Commerce Drive, Suite 410
Decatur, Georgia 30030


John Steffans, Neurologist
St. Luke's Clinic Neurology
Twin Falls, Idaho


Robert J. Struthers MD, Neurology & Sleep Medicine
Physicians' Clinic of Iowa
202 10th St SE #220
Cedar Rapids, Iowa 52403
Phone: (319) 398-1721


Sabra M. Abbot, MD/PhD, Asst. Professor in Neurology
Specialty: Circadian Rhythm Sleep-Wake Disorders
Ken and Ruth Davee Department of Neurology
Northwestern University
Chicago, Illinois

Phyllis C. Zee MD, PhD, Professor of Neurology (Sleep Medicine)
Director Center for Circadian and Sleep Medicine
Northwestern University Feinberg School of Medicine
Abbott Hall Suite 520
710 N Lake Shore Drive
Chicago, Illinois
Phone: 312-695-7950

Robert W. Hart, Internal Medicine, American Academy of Sleep Medicine
800 Biesterfield Road, Ste 510
Elk Grove Village, Illinois 60007

Jeffrey Johnson, MMS, PA-C
The Center for Sleep Medicine
1924 Springbrook Square Drive
Naperville, Illinois 60564
(and other locations in Illinois)
Phone: (630) 527-9950

Richard John Munson, M.D.
NorthShore Medical Group
Several locations
North Shore, Illinois


Ryan G. Wetzler, Doctor of Psychology (Psy.D.), Sleep and Health Psychologist
Chest Medicine Associates, 3430 Newburg Rd., Suite 150
Louisville, Kentucky 40218
Phone: (502) 454-0755; Office: (502) 459-9127


Helene A. Emsellem, MD
The Center for Sleep & Wake Disorders
5454 Wisconsin Ave. Suite 1725
Chevy Chase, Maryland 20815
Phone: 301-654-1575

Charlene Gamaldo, MD, Associate Professor of Neurology
Medical Director, Johns Hopkins Sleep Disorders Center
11085 Little Patuxent Parkway
Medical Arts Building, Suite 210
Columbia, Maryland 21044
Phone: 800-937-5337
also at 1800 Orleans St
Baltimore, Maryland 21287
Phone: 443-287-3313


Lawrence Jay Epstein, MD
Sleep Medicine, Internal Medicine
Brigham and Women's Faulkner Hospital
1153 Center Street, Suite 5K
Boston, Massachusetts 02130
Phone: (617) 983-7280

Robert Thomas, MD
Division of Pulmonary and Sleep Medicine, Beth Israel Deaconess Medical Center
330 Brookline Ave
Boston, Massachusetts 02215
Phone: (617) 667-5864

John Winkelman, MD, PhD (Sleep Medicine)
Sleep Disorders Clinical Research Program
Massachusetts General Hospital
One Bowdoin Square, 9th floor
Boston, Massachusetts 02114
Phone: 617-643-9101

Lisa R Strauss, PhD (Psychologist, Behavioral Sleep Medicine)
1180 Beacon St Ste 5C
Brookline, Massachusetts 02446
Phone: (617) 731-4837


Cathy Goldstein, MD, MS
Dept of Neurology
1914 Taubman Center SPC 5316
1500 E. Medical Center Drive
University of Michigan
Ann Arbor, Michigan 48109-5316
Phone: 734-936-9010

Lulu Guo, M.D., Fellow, Sleep Medicine
Department of Family Medicine
300 North Ingalls Street, NI4C06
University of Michigan
Ann Arbor, Michigan 48109-5435
Phone: (734) 998-7120

Leslie Swanson, Ph.D.
Behavioral Sleep Medicine Program, Dept of Psychiatry
University of Michigan
Ann Arbor, Michigan
and other locations in Michigan
Phone: 734.764.0231

Professor Timothy F. Hoban, MD, Pediatric Neurology, Pediatrics
C. S. Mott Children's Hospital, University of Michigan
1540 E. Hospital Dr., Rm 12-733
Ann Arbor, Michigan 48109

Bradley Rowens, Internal Medicine, Pulmonology, Sleep Medicine
Michigan Institute for Sleep Medicine, Ascension Providence Hospital
47601 Grand River Ave
Suite # B229 - Outpatient Center
Novi, Michigan 48374
Phone: (248) 465-4290

Farrukh Siddiqui , M.D.
WMH Sleep Medicine
550 Osborn Blvd / Community Medical Center Building / Suite 201
Sault Ste. Marie, Michigan 49783
Phone: 906-253-2788,-m.d.-370.html

Narayan Verma MD
Kerry Nathan PA-C
B.G.Tricounty Neurology and Sleep Clinic
31150 Hoover, Suite B
Warren, Michigan 48093
Phone: 586-983-3666


Tacjana Friday MD, Board Certified in Neurology, Sleep Medicine, Epilepsy
Noran Neurological Clinic, 2828 Chicago Ave. Suite 200
Minneapolis, Minnesota 55407
Phone: 612-879-1000

Robert Auger, MD, psychiatrist, sleep specialist
Mayo Clinic
Rochester, Minnesota

New Jersey

Federico Cerrone, MD, Sleep Medicine and Pulmonary Medicine
Pulmonary & Allergy Associates
1 Springfield Avenue
Summit, NJ 07901
Phone: 908-934-0555

New York

Paul Glovinsky, MD, Sleep Medicine
St. Peter’s Sleep Center
One Pine West Plaza
Albany, NY 12205
Phone: 518-464-9999

Anila Q Siddiqui, MD, Sleep Medicine
910 Route 109 Suite B Lower Level,
Lindenhurst, NY 11757
also 380 Merrick Ave, East Meadow, NY 11554
Phone: (516) 279-6210

Christina DiNapoli, NP
New York-Presbyterian Hospital Weill Cornell Medical College
Center for Sleep Medicine
425 East 61st Street, 5th Floor
New York, NY 10065
Phone: (646) 962-7378

Michael Yurcheshen MD
University of Rochester Medical Center
2337 S Clinton Ave
Rochester, New York 14618
Phone: (585) 341-7575

North Carolina

Meg Danforth, PhD, Clinical Psychology
Sushrusha Arjyal, MD, Psychiatrist, Sleep Medicine Specialist
Duke Clinic Sleep Laboratory
40 Duke Medicine Circle
Durham, North Carolina 27710
Phone: 919-681-8793

Sampath Charya, MBBS, Internal Medicine and Sleep Medicine
Fayetteville VA Medical Center
2300 Ramsey St
Fayetteville, North Carolina 28301
Phone: (910) 488-2120
Veterans only

Allison T Siebern, PhD, CBSM, Sleep Health Integrative Program
Fayetteville VA Medical Center
2300 Ramsey St
Fayetteville, North Carolina 28301
Phone: (910) 488-2120 Ext 7839
Veterans only, and requires a referral from a regular sleep doctor

Kathy A Marks, MD, Pulmonary Diseases
CarolinaEast Internal Medicine
137 Medical Lane
Pollocksville, North Carolina 28573
Phone: (252) 633-1010


Nancy Foldvary-Schaefer, DO, MS
Sally Ibrahim, MD
Carlos Rodriguez, MD
Michelle Drerup, PsyD
Sleep Disorders Center, Cleveland Clinic
Cleveland, Ohio 44195
Phone: 216-636-5860


Jonathan Emens, MD, Assistent Professor of Psychiatry
Oregon Health & Science University School of Medicine
Portland, Oregon 97239
No longer listed at the OHSU clinic. Listed as a researcher:
and at the VA:

Kyle P. Johnson, Psychiatrist and Sleep Specialist
Oregon Health & Science University Sleep Disorders Program
Hatfield Research Center
3181 SW Sam Jackson Park Road
Portland, Oregon 97239
Phone: 503 494-6066

Andrea Matsumura, MD, MS, FACP
The Oregon Clinic - East (Providence)
Pulmonary, Critical Care & Sleep Medicine - East
1111 NE 99th Ave. Suite 200
Portland, Oregon 97220
Phone: 503-963-3030


John S. Khoury
Abington Memorial Hospital Sleep Disorders Center
1200 Old York Rd 2nd Floor
Buerger Building
Abington, Pennsylvania 19006
Phone: (218) 481-4180

Guillermo Borrero, Psychiatry and Sleep Medicine
575 Coal Valley Rd # 303
Clairton, Pennsylvania 15025-3730
Phone: (412) 469-8933

Philip R. Gehrman, PhD, CBSM
Penn Sleep Center, a facility of the Hospital of the University of Pennsylvania
Suite 201, 3624 Market Street
Philadelphia, Pennsylvania, 19104
Phone: (215) 662-7772

Ritu G. Grewal
Jefferson University Hospitals at three locations in
Philadelphia, Pennsylvania
Phone: 1-800-533-3669

Daniel J. Buysse, M.D., UPMC Professor of Sleep Medicine
University of Pittsburgh School of Medicine
3811 O'Hara St.
Pittsburgh, Pennsylvania 15213
Phone: (412) 246-6413

Rhode Island

Katherine M. Sharkey, MD, PhD, Sleep Medicine
also Lauren A. Cushing, MSN, RNP
Pulmonary, Critical Care & Sleep Medicine, University Medicine
1 James P. Murphy Highway
West Warwick, Rhode Island 02893
Phone: 401-615-5878


Pamela Howard, M.D., board certified in Neurology and Sleep Medicine
   but not Non-24?
Austin Neurology and Sleep Associates
711 W. 38th St., Bldg. E-1
Austin, Texas 78705
Phone: (512) 477-5337

Anthony Zachria, DO, Board certified in Pulmonology, Critical Care, Sleep Medicine
College Station Center for Pulmonary and Sleep Disorders
1602 Rock Prairie Rd, Suite 2000
College Station, Texas
Phone: (979) 694-1300

Todd Swick M.D., F.A.A.N., F.A.A.S.M., Medical Director
Houston Sleep and Neurology Associates
7500 San Felipe, Suite 525
Houston, Texas 77063
Phone: (713) 465-9282
also has an office in Cypress, TX


Lori Neeleman, Ph.D. Sleep Psychologist
L. RaNae Sanders, N.P.
Intermountain Sleep Disorders Center
440 D Street, Suite 200
Salt Lake City, Utah 84103
Phone: (801) 408-1625


Richard L. Cho, M.D., Neurologist
Sleep Diagnostic & Treatment Center, Neurology Center of Fairfax, Ltd.
1830 Town Center Drive, Suite 305
Reston, Virginia 20190
Phone: 703-876-2850

Daniel Cohen, Neurologist with Subspecialty Certification in Sleep Medicine
   (not taking new patients at this time)
600 Gresham Drive, Suite 8630
Norfolk, Virginia 23507
Phone: 757-388-6105

David J. Leszczyszyn, Pediatric Neurologist
Bon Secours Pediatric Neurology Clinic
Richmond, Virginia
Phone: 804-281-8303


Carla Hellekson, Sleep Medicine and Psychiatry
Mercer Canal Building, 1300 114th Ave. SE, Suite 102
Bellevue, Washington 98004
Phone: 425-688-1888

Daniel T Clerc, MD
3021 Griffin Ave
Enumclaw, Washington 98022
Phone: 360-825-6511
15214 Canyon Rd E
Puyallup, Washington 98375
Phone: 253-539-4200

Kimberly A Mebust, Neurology
MultiCare Neuroscience & Sleep Medicine - Puyallup
1701 3rd St SE Suite 201
Puyallup, Washington 98372
Phone: 253-697-4747

Lina Fine, MD Sleep Medicine
Swedish Sleep Medicine - Cherry Hill
550 17th Avenue
James Tower, Level A-20
Seattle, Washington 98122
Phone: 206-386-4744

Gandis G. Mažeika, MD, Sleep Medicine
Sound Sleep Health
509 Olive Way Suite 1435
Seattle, Washington 98101
Phone: (425) 880-9880
also in North Seattle and Kirkland, Washington

Todd Robert Green, M.D., Pulmonology and Sleep Medicine
Providence Pulmonary and Sleep Disorder Clinic
9631 North Nevada Street, Suite 300
Spokane, Washington 99218
Phone: (509) 465-3919

David Dewine, PhD, Pediatric Neuropsychology (to age 21)
Mary Bridge Children's Psychology & Psychiatry
1220 Division Ave
Tacoma, Wahington 98403
Phone: 253-403-4437, Option 2


Jaime A. Boero, MD, PhD
Marshfield Clinic Sleep Lab
Marshfield, Wisconsin

© 2021 Circadian Sleep Disorders Network
Last modified Sep 16, 2021
Problems: contact