Doctors

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

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Displaying 1-5 out of 5 doctors available

Last Name Initial: R

  1. Kannan Ramar, M.D., M.B.A.

    Kannan Ramar, M.D., M.B.A.

    1. Pulmonologist
    2. Critical Care Specialist
    3. Sleep Medicine Specialist
    1. Rochester, MN
    Areas of focus:

    Oxygen therapy, Sleep apnea assessment, Obstructive sleep apnea, Sleep disorders, Insomnia, Tracheostomy complication, ...Respiratory failure, Sleep apnea, Snoring, Sleep terrors, Sleep-related breathing disorder, Tracheostomy dependence

  2. Janani S. Reisenauer, M.D.

    Janani S. Reisenauer, M.D.

    1. Thoracic Surgeon
    2. Interventional Pulmonologist
    1. Rochester, MN
    Areas of focus:

    VATS, Esophagectomy, Minimally invasive surgery, Robotic surgery, Esophageal reconstruction, Thymectomy, Lung volume re...duction surgery, Heller myotomy, Hyperhidrosis surgery, VATS lobectomy, Segmentectomy, Video mediastinoscopy, Minimally invasive thymectomy, Minimally invasive esophagectomy, Supercharged jejunal interposition, Transoral incisionless fundoplication, Gastroesophageal reflux disease, Achalasia, Pneumothorax, Lung cancer, Lung nodule, Myasthenia gravis, Hiatal hernia, Diaphragmatic hernia, Diaphragm paralysis, Carcinoid tumor, Mediastinal lymph node enlargement, Chest wall tumor, Thymic tumor, Pancoast tumor, Mediastinal tumor, Diaphragmatic eventration

  3. Chad M. Ruoff, M.D.

    Chad M. Ruoff, M.D.

    1. Sleep Medicine Specialist
    1. Phoenix, AZ
    Areas of focus:

    Sleep disorders

  4. Annie M. Rusk, M.D.

    Annie M. Rusk, M.D.

    1. Pulmonologist
    2. Critical Care Specialist
    1. Phoenix, AZ
    Areas of focus:

    Chest tube placement, Thoracentesis, Paracentesis, Bronchoscopy, Endotracheal intubation, Shock, COPD, Sepsis, Lung nod...ule, Respiratory failure, Pleural disease

  5. Jay H. Ryu, M.D.

    Jay H. Ryu, M.D.

    1. Internist
    2. Pulmonologist
    1. Rochester, MN
    Areas of focus:

    Sarcoidosis, Interstitial lung disease, Pulmonary fibrosis, Lymphangioleiomyomatosis, Pneumonitis

Nov. 20, 2025