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Measles Health Alert: Your safety is our top priority.

CALL FIRST BEFORE ENTERING our facilities if you are not vaccinated for measles and have any of the following measles symptoms: 

  • High fever
  • Cough
  • Runny nose
  • Red, watery eyes
  • Spots in mouth
  • Rash 

Our clinical team will provide guidance for safe evaluation and care.

Sleep Medicine at PeaceHealth St. John Medical Center

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Photo of Sleep Medicine at PeaceHealth St. John Medical Center
1615 Delaware St
Longview, WA 98632
Operating Hours
Open Now
Mon–Fri: 8:00 am–4:30 pm
Sat–Sun: Closed

Sleep medicine specialists can help if you have trouble sleeping. Your primary care provider can refer you to one. You can also make an appointment directly.

Sleep studies can be used to diagnose issues. They are done in a sleep lab. A sleep technician uses high-tech monitoring equipment to record your sleep patterns. A sleep medicine specialist can then determine the kind of therapies that may help.

Our Team

Sleep medicine specialists are medical physicians who have completed their education in Internal Medicine, Family Medicine, Pediatrics, Neurology, Psychiatry or Pulmonology and have received extensive training in sleep-related issues.

Our Services

Our Team

  • Image
    Portrait of Muhammad  Riaz MD

    Muhammad Riaz MD

    Rating: 4.7 out of 5 stars
    • Sleep Medicine - Internal Medicine
    • Family Medicine
    • Hospital Medicine

This clinic is licensed as part of PeaceHealth St. John Medical Center. You may receive a separate charge or billing for facility fees in addition to any professional fees for services, which may result in a higher out-of-pocket expense.

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