Meet Your Specialists
The clinicians and support staff who coordinate your care.
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G. Andrew Sulit, MD
Pulmonology (Internal Medicine, Pulmonary Disease)
Languages: English, Spanish
Hospital affiliations: Banner Baywood Medical Center, Banner Heart Hospital, Mountain Vista Medical Center
Insurance plans and networks vary. Please call to confirm your plan and network before your visit.
Overview
Dr. Sulit cares for adults with lung and breathing concerns and is known for clear explanations, practical treatment plans, and coordinated follow-up. He completed medical training at the University of Missouri Kansas City School of Medicine (Class of 1987) and residency at Good Samaritan Medical Center.Common reasons patients see Dr. Sulit
- COPD and emphysema
- Asthma, bronchitis, and ongoing cough
- Pneumonia and respiratory infections
- Sleep apnea and breathing problems
- Lung nodules or an abnormal lung scan
Testing
- Lung function testing (spirometry and pulmonary function tests)
- Bronchodilator response testing (before and after inhaler medicine)
- Coordination of chest imaging, including CT scans, when needed
Education and training
- Medical school: University of Missouri Kansas City School of Medicine, Class of 1987
- Residency: Good Samaritan Medical Center
- Licensure: Arizona medical license active

Piotr Stola, MD
Specialty: Pulmonology
Languages: English, Polish
Hospital affiliations: Banner Baywood Medical Center, Banner Heart Hospital, Mountain Vista Medical Center
Insurance plans and networks vary. Please call to confirm your plan and network before your visit.
Overview
Dr. Stola is a board-trained pulmonologist with 25+ years of experience caring for adults with lung and breathing conditions.
He focuses on clear communication, practical treatment plans, and coordinated follow-up, including sleep-related breathing concerns.
Common reasons patients see Dr. Stola
- Sleep apnea and sleep-related breathing concerns
- COPD and chronic breathing symptoms
- Chronic cough, wheezing, and shortness of breath
- Obstructive lung disease and ongoing respiratory limitations
- Pulmonary nodules or abnormal lung imaging (as applicable)
Testing and evaluation
- Pulmonary function testing (spirometry and full PFTs) when appropriate
- Sleep testing coordination (home or lab, based on your situation)
- Oxygen evaluation at rest and with walking when needed
- Review of chest imaging (X-ray/CT) when clinically appropriate
Education and training
- Medical school: Medical University of Warsaw (1997)
- Care approach: Clear explanations and step-by-step next steps
- Follow-up: Coordinated plan to support breathing and sleep outcomes
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Jesus A. Mireles, MD
Overview
Dr. Mireles cares for adults with lung, breathing, and higher-acuity respiratory needs. Patients value his thorough evaluations,
compassionate communication, and personalized follow-up plans designed to make the next steps clear.
Common reasons patients see Dr. Mireles
- Pulmonary hypertension and unexplained shortness of breath
- Sleep apnea and sleep-related breathing concerns
- COPD, chronic bronchitis, and emphysema
- Asthma and persistent wheezing
- Pneumonia and complex respiratory infections
Testing and evaluation
- Pulmonary function testing (spirometry and full PFTs) when appropriate
- Sleep testing coordination (home or lab, based on your situation)
- Oxygen evaluation and breathing support planning when needed
- Review of chest imaging (X-ray/CT) when clinically appropriate
Education and training
- Medical school: University of Arizona College of Medicine – Tucson
- Approach: Thorough assessment, clear explanations, and coordinated follow-up
- Care style: Personalized plans for chronic and complex respiratory conditions
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Loreto Sulit, MD
Overview
Dr. Loreto Sulit has more than two decades of experience helping adults improve breathing and sleep. He is known for a patient-focused approach
that explains test results clearly and coordinates treatment steps so patients know what happens next.
Common reasons patients see Dr. Sulit
- Sleep apnea and other sleep disorders
- Snoring, insomnia, and daytime fatigue
- COPD and chronic breathing concerns
- Asthma and recurrent respiratory symptoms
- Pneumonia and ongoing lung recovery
Testing and evaluation
- Sleep testing coordination and treatment planning
- Pulmonary function testing (spirometry and full PFTs) when appropriate
- Review of chest imaging and breathing assessments as needed
- Coordination of higher-acuity respiratory support when clinically necessary
Education and training
- Medical school: University of Missouri–Kansas City School of Medicine
- Residency: Good Samaritan Regional Medical Center
- Care focus: Sleep quality, daytime energy, and respiratory stability
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Jeffrey A. Grill, MD
Overview
Dr. Grill has more than 20 years of experience caring for adults with lung and breathing conditions. He is known for thorough evaluations,
clear communication, and practical step-by-step plans, with attentive follow-up and coordination with your other clinicians when needed.
Common reasons patients see Dr. Grill
- COPD/emphysema and chronic bronchitis
- Chronic cough, wheezing, and shortness of breath
- Asthma and recurrent breathing flare-ups
- Sleep apnea and sleep-related breathing concerns
- Pneumonia, tuberculosis, and complex respiratory infections
Testing and evaluation
- Pulmonary function testing (spirometry and full PFTs) when appropriate
- Oxygen evaluation at rest and with walking when needed
- Sleep testing coordination (home or lab, based on your situation)
- Review of chest imaging (X-ray/CT) when clinically appropriate
Education and training
- Medical school: Rutgers New Jersey Medical School
- Care style: Clear explanations, compassionate guidance, and practical plans
- Continuity: Team-based care with coordinated follow-up
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Parita Soni, MD
Overview
Dr. Soni cares for adults with sleep and breathing disorders and is known for clear communication, evidence-based care,
and coordinated follow-up to help patients sleep and breathe better with confidence.
Common reasons patients see Dr. Soni
- Sleep apnea, snoring, and other sleep-related breathing issues
- Asthma and breathing flare-ups
- Chronic bronchitis and ongoing cough
- COPD/emphysema and shortness of breath
- Pleural disease and pulmonary heart strain (cor pulmonale)
Testing and evaluation
- Sleep testing coordination (home or lab, based on your situation)
- Pulmonary function testing (spirometry and full PFTs) when appropriate
- Medication and inhaler technique review to improve day-to-day breathing
- Review of imaging and breathing assessments when clinically appropriate
Education and training
- Medical school: Government Medical College, Gujarat
- Internal Medicine residency: Maimonides Medical Center (2015–2018)
- Pulmonary Disease fellowship: Maimonides Medical Center (2018–2021)
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Suzanne Woodhall, ACNP
Overview
Suzanne Woodhall is a board-certified acute care nurse practitioner with 20+ years of clinical experience supporting adults with lung, breathing,
and sleep-related concerns. She is known for clear, compassionate communication and practical follow-up plans that help patients feel confident about next steps.
Common reasons patients see Suzanne
- COPD/emphysema and shortness of breath
- Asthma and recurring breathing symptoms
- Chronic bronchitis and ongoing cough
- Pneumonia and respiratory infections
- Pulmonary nodules and sleep-disordered breathing concerns
Testing and care coordination
- In-office testing support (spirometry and full PFTs)
- Plain-language review of results and next-step planning
- Medication and inhaler technique education
- Coordination with physicians and care teams for personalized treatment
Education and training
- MS (Acute Care Nurse Practitioner): Grand Canyon University
- BSN: Arizona State University
- Experience: 20+ years in adult care; with Pulmonary Consultants since 2015
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Marilyn Schatz, ACNP
Overview
Marilyn Schatz is an acute care nurse practitioner with 20+ years of frontline pulmonary and critical-care experience.
Patients and families appreciate her calm, clear communication, careful assessments, and coordinated follow-up after hospital or urgent respiratory issues.
Common reasons patients see Marilyn
- Post-hospital follow-up for breathing concerns
- COPD/emphysema and chronic shortness of breath
- Pneumonia and complex respiratory recovery
- Asthma and ongoing respiratory symptoms
- Sleep disorders and complex breathing needs
Testing and care coordination
- Symptom assessment and medication review
- Oxygen needs review and breathing stability planning
- Device support and education (inhalers and related tools)
- Coordination with physicians and inpatient teams when needed
Education and training
- Graduate nursing degree: University of Arizona
- Certifications: ACLS and BLS
- Experience: 20+ years; with Pulmonary Consultants since 2014
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Katrina Zwack, Nurse Practitioner
Overview
Katrina Zwack supports adults and seniors with pulmonary and sleep-related concerns using a calm, education-first approach.
She values getting to know each patient and partnering with families and specialists to create practical plans that improve daily breathing and sleep quality.
Common reasons patients see Katrina
- Sleep apnea, snoring, and CPAP questions
- Insomnia and daytime fatigue
- Chronic cough and ongoing breathing symptoms
- Asthma and COPD/emphysema support
- Pneumonia recovery and preventive care coordination
Testing and care coordination
- CPAP education and adherence support
- Symptom review and step-by-step care planning
- Coordination for pulmonary testing or sleep testing when needed
- Preventive care and specialist follow-up coordination
Education and training
- Role: Adult-Gerontology Nurse Practitioner
- Experience: Diverse NP experience supporting adults and seniors
- Care focus: Practical education, family support, and coordinated next steps
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Michelle Hooper, Nurse Practitioner
Overview
Michelle Hooper cares for adults with lung, breathing, and chronic disease needs. Patients appreciate her clear education and compassionate support,
with coordinated follow-up that helps make symptoms and treatment plans easier to manage at home.
Common reasons patients see Michelle
- Asthma and COPD symptom management
- Chronic bronchitis and recurring cough
- Pneumonia recovery and follow-up planning
- Sleep-related breathing concerns and fatigue
- Medication management and inhaler education
Testing and care coordination
- Medication and inhaler technique education
- Symptom tracking and step-by-step care planning
- Coordination for pulmonary testing or sleep testing when needed
- Support for complex needs, including palliative care coordination when appropriate
Education and training
- Role: Adult-Gerontology Nurse Practitioner
- Experience: Outpatient pulmonology and home-based care support
- Care focus: Education, compassion, and coordinated follow-up
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Samantha Polito, Nurse Practitioner
Overview
Samantha Polito supports adults managing breathing and sleep-related conditions with an attentive, collaborative care style.
Patients value her listening-first approach and evidence-based plans that make daily symptom control and follow-up feel manageable.
Common reasons patients see Samantha
- Asthma and breathing flare-ups
- Bronchitis and persistent cough
- COPD symptom support and education
- Sleep apnea questions and follow-up
- Pneumonia recovery and ongoing lung concerns
Testing and care coordination
- Symptom review and medication management support
- Inhaler education and practical home care guidance
- Coordination with the pulmonary team for testing when needed
- Ongoing support for chronic respiratory conditions and follow-up planning
Education and training
- Role: Nurse Practitioner with pulmonary-focused clinical experience
- Care style: Collaborative, evidence-based, and patient education-centered
- Continuity: Coordinates closely with the pulmonary care team
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.

Justin A. Reynolds, Nurse Practitioner
Overview
Justin A. Reynolds is a board-certified nurse practitioner who cares for adults with lung, breathing, and general medical needs.
Patients appreciate his clear education, practical care plans, and coordinated follow-up, including support after hospitalization or when symptoms change.
Common reasons patients see Justin
- Sleep apnea and insomnia support
- Asthma, COPD, and chronic bronchitis
- Chronic cough and shortness of breath
- Pneumonia and post-infection follow-up
- Post-hospital recovery planning and telehealth follow-up
Testing and care coordination
- Symptom assessment and medication management
- Inhaler education and step-by-step breathing plan support
- Coordination for pulmonary testing or sleep testing when needed
- Follow-up planning, including telehealth when appropriate
Education and training
- Advanced practice training: Acute Care Nurse Practitioner (2021)
- Care style: Clear education, practical plans, and coordinated follow-up
- Clinical focus: Respiratory support plus whole-person medical needs
Information is provided for patient convenience and may change. For the most accurate details about scheduling, services, and insurance, please contact our office.