• Michael L. Cohen, MD

    Business Address & Phone Numbers:

    130 La Casa Via, Suite 2-208
    Walnut Creek, CA 94598
    (925) 944-0166

    Military Status:

    U.S Naval Reserve (active) 1964-1966


    Massachusetts – September 23 1966
    California – October 11, 1974


    Dartmouth College
    Hanover, New Hampshire
    Psycology A.B. 9/55 – 6/59.
    University of Cincinnati,
    College of Medicine, Cincinnati
    Ohio, Medicine

  • Frederick Nachtwey, M.D.

    Business Address & Phone Numbers:

    130 La Casa Via, Suite 2-208
    Walnut Creek, CA. 94598
    (925) 944-0166

    Military Status:

    1977 American Board of Internal Medicine
    1979 Board Certified, Subspecialty in Pulmonary Medicine
    1997 Board Certification, Subspecialty in Sleep Disorders


    1966-1970 University of Notre Dame
    Notre Dame, Indiana
    B.S. (1970)

    1970-1974 Washington University, School of Medicine
    St. Louis, Missouri
    M.D. (1974)

    Postgraduate Training:

    1974-1975 Internship, Cornell Co-operative Hospitals, North Shore Hospital, Memorial Hospital, New York, NY.

    1975-1977 Resident in Internal Medicine, Cornell Co-operative Hospitals, North Shore Hospital, Memorial Hospital, New York, NY.

    1977-1980 Fellowship in Pulmonary Medicine, University of California, San Diego, CA.

    1993-1997 School of Sleep Medicine (Palo Alto). Polysomnography. Review course for Board Exam (I & II).

    Activities Since Training:

    December 2006 Staff Physician
    Contra Costa Sleep Center, Walnut Creek, CA.

    Private Practice
    Respiratory Medical Group, Walnut Creek, CA.

    July 1980 – Dec 2006 Private Practice in Pulmonary Medicine and Sleep Disorders
    East Bay Pulmonary Medical Group, San Pablo, CA.

    1980 – present Co-Director of Pulmonary Function Laboratory and Respiratory Services
    Doctors Medical Center, San Pablo, CA.

    1993 – present Director of Sleep Lab
    Doctors Medical Center, San Pablo, CA.

    July 2000 Director of Sub Acute Unit
    Doctors Medical Center, Pinole, CA., since July 1, 1993

    Professional Associations:

    American Sleep Disorder Association
    California Thoracic Society
    American Thoracic Society
    American Medical Association

  • Peter Chase, D.D.S., M.A.

    Business Address & Phone Numbers:

    130 La Casa Via
    Bldg. 2, Suite 104B
    Walnut Creek, Ca. 94598
    Phone: 925-935-2918
    Fax: 925-935-1532

    Military Status:

    1963 – 1967 B.A. – 1967 – University of California, Davis Campus

    1971 – 1972 General Practice Residency (Comprehensive Care/Special Needs) – United States Air
    Force – David Grant Hospital, Travis AFB, California

    1967 – 1971 D.D.S. – 1971 – Creighton Dental University

    1992 – 1994 M.A. – 1994 – University of the Pacific – Masters of Arts degree in Educational Psychology and Counseling


    2000 Fellowship International College of Craniomandibular Orthopedics

    1992 Diplomat American Academy of Pain Management

    1981 Fellow Academy of General Dentistry

    1988 – 2010 Professor University of the Pacific Dental School


    2010 – Present Adjunct Professor University of the Pacific

    2007 – Present Faculty Contra Costa Sleep Center

    1990 – Present Faculty California Pacific Medical Center

    2007 – Present Specialist John Muir Health Network

    2010 – Present Specialist Hill Physicians Medical Group

    PUBLISHING (2000 – Present):

    2011 The Integrated Dental Medical System (IDMS) A Systematic Approach to
    Musculoskeletal Disorders Involving the Jaw. Published by The Medical Dental Guild

    2006 P. Chase: “An Interdisciplinary Approach to the Diagnosis and Treatment of Complex
    Orofacial Pain and Dysfunction” The Pain Practitioner. American Academy of Pain
    Management. Fall 2006,Vol.16, No.3.

    2003 P. Chase: “Comparison of TENS and Orthotic Splint Techniques for Defining Mandibular Posture” Journal
    Of the Chronic Pain Institute, Electronic Edition. April 2003, Vol. 1, Issue 1.

  • Karin Cheung, M.D.

    Business Address & Phone Numbers:

    130 La Casa Via #2-208
    Walnut Creek, California 94598

    Board Certifications

    Internal Medicine American Board of Internal Medicine (1994)
    Pulmonary Diseases American Board of Internal Medicine (1997)
    Critical Care Medicine American Board of Internal Medicine (1998)
    Sleep Medicine American Board of Internal Medicine (2004)

    Work History

    Staff Pulmonologist/Intensivist/Sleep Physician with Respiratory Medical Group, and John Muir Medical Center, Walnut Creek, California

    – Clinical research: Principal Investigator, LIPOS infusion in sepsis and septic shock

    Staff Pulmonologist/Intensivist/Sleep Physician with Abington Pulmonary and Critical Care Associates/Abington Memorial Hospital, Abington, Pennsylvania

    – Teaching attending for medical housestaff and medical students from Temple University. Philadelphia
    – Member of the Graduate Medical Education Committee
    – Associate Director for Sleep Center Expansion Project

    Pulmonologist/Intensivist/Sleep Physician
    Seaford Medical Center
    Seaford, DE

    – Developed and designed the physical facility for solo practice
    – Managing and in charge of the financial operations practice
    – Trained staff and fellow physicians in coding and billing issues
    – Consultant on patients with a broad range of pulmonary problems; consulted with other physicians on pulmonary and critical problems; interpretation of sleep studies; have performed all pulmonary, and critical care procedures
    – Assisted Nanticoke Memorial Hospital in developing a sleep laboratory
    – Assisted in the development of pathways for community acquired pneumonia and COPD
    – Have developed cardiopulmonary exercise studies, metacholine challenge studies, shunt studies
    – Have developed and continue to develop respiratory therapist driven protocols, including ventilator weaning protocols.
    – Implemented admission criteria to the ICU/PCU using the ACCM guidelines
    – Lecturer on various topics in pulmonary medicine, including community acquired pneumonia, ventilator weaning, and end-of-life decision making issues for the medical staff and community
    – Organizer of pulmonary journal club meetings for pulmonologists in Southern Delaware and the Eastern Shore of Maryland.


    All education
    would be listed
    under the Education
    like so.

  • Harry MacDannald, M.D.

    Business Address & Phone Numbers:

    130 La Casa Via #2-208
    Walnut Creek, California 94598
    Tel   (925) 944-0166
    Fax  (925) 944-6355

    Military Status:

    U. S. Marine Corps Reserve – Sergeant E-5
    Active Duty 2/62 – 8/62
    Reserve Duty 10/61 – 10/67
    Honorable Discharge


    National Board of Medical Examiners 7/2/73
    Number 127353

    Massachusetts Board of Registration in Medicine 8/23/73
    Number 35912

    California Board of Medical Examiners 4/29/74
    Number G-026701

    American Board of Internal Medicine 6/18/75
    Number 49126

    Pulmonary Diseases – American Board of Internal Medicine 6/27/78
    Number 49126

    Critical Care – American Board of Internal Medicine 11/87 and 11/97
    Number 49126

    X-Ray Supervisor & Operator Certificate – California
    Board Eligible for American Academy of Sleep Medicine Part I taken 10/4/2002 Part II to be taken on 4/15/2003


    Modesto Junior College Associate of Arts 9/57 – 1/61
    College Avenue
    Modesto, California

    San Jose State University Bachelor of Science 2/61 – 6/64
    Seventh Street Electrical Engineering
    San Jose, California

    San Jose State University Bachelor of Arts 6/66 – 8/68
    Molecular Biology

    University of California, Davis Doctor of Medicine 10/68 – 6/72
    Davis, California

    Medical Training:

    Straight Medicine Internship 7/72 – 6/73
    Alan S. Cohen, M.D., Director
    Boston City Hospital
    Boston University Medical Service
    Harrison Avenue, Boston, Massachusetts

    Assistant Resident in Medicine 7/73 – 6/74
    Boston City Hospital
    Boston University Medical Service

    Senior Resident in Medicine, UCLA 7/74 – 6/75
    Seymour Dayton, M.D., Director
    Wadsworth Veterans Administration Hospital
    Wilshire Boulevard, West Los Angeles, California

    Pulmonary Fellowship, UCD 7/75 – 6/77
    Theodore N. Finley, M.D., Director of Pulmonary
    Peter E. Krumpe, Pulmonary Staff
    Martinez Veterans Administration Hospital
    Muir Road, Martinez, California 94553

    Hospital Staff Membership:

    John Muir Medical Center Active Staff 6/77 – to Present
    1601 Ygnacio Valley Road
    Walnut Creek, California 94598

    Mt Diablo Medical Center Courtesy Staff 6/77 – to Present
    2540 East Street
    Concord, California 94520

    Society Memberships

    American College of Chest Physicians, Fellow
    American Thoracic Society
    American Medical Association
    California Medical Association
    California Thoracic Society
    Alameda – Contra Costa Medical Association
    Alpha Omega Alpha Honor Medical Society – Univ. Calif. Davis
    Underwater Medical Society

    John Muir Center – Committees:

    Medical Residency Program, Chairman 1982- 1986
    Department of Medicine, Chairman 1987 – 1990
    Clinical Resources Committee Past member
    Intensive Care Committee Member
    Respiratory Care Committee Member
    Back-fill Committee Past Member
    Hyperbaric Oxygen Therapy Unit Helped to establish in 1981
    Respiratory Services & Pulmonary Laboratory Co- administrator 1977-2002
    Sleep Apnea Evaluation Laboratory Helped establish in 1990
    Director of Intensive Care Units 1996 to present
    Physician Advisory Committee ITS services 2000 to present
    Physician Wellness Committee 2001 to present
    Phase 4 Expansion Committee 2001 to present
    Multidisciplinary CABG Committee 1998 to present
    Vice Chief of Staff at John Muir Medical Center 2004 to present

    Other Work Experience:

    Lockheed Missiles and Space Corporation
    Sunnyvale, California
    Engineering Aide 2/63 – 10/63
    Electrical Engineer 6/64 – 6/67

    Past Community Activities

    Pruitt Medical College for Respiratory Therapy, Berkeley, CA Volunteer Instructor
    American Cancer Society, Public Education Chairman
    Lung Association, Contra Costa County
    ACCMA Foundation for Medical Care, Board of Directors 1984 – to 1996
    Sleep Apnea Patient Support Group for Central Contra Costa County – Established 9/94

  • J. Julian Zaka, M.D.

  • Michael J Selleck, DDS, DABDSM

    Business Address & Phone Numbers:

    Dental Sleep Medicine Offices of Michael J Selleck, DDS,DABDSM
    Board Certified Diplomate
    935 Moraga Road, Suite 101
    Lafayette, CA 94549
    Phone: 925-283-0339
    Fax: 925-283-0360

    Military Status: None

    Certified Diplomate

    American Board of Dental Sleep Medicine, 2012

    American Academy of Physiological Medicine and Dentistry, 2010

    California Dental Board, 1974


    University of the Pacific School of Dentistry, Doctorate of dental Surgery, 1974

    University of California Santa Cruz, BS Biology, 1970

    Clinical Research:

    Lead Investigator/Research principal: lab Titration PSG for Oral Appliance Therapy
    ATS presentation 2017