Dr. Michael McNellis, MD

Critical Care MedicineMaleAge 62

Critical Care Medicine

Dr. Michael McNellis, MD is a Critical Care Medicine Specialist in Longview, WA and has over 32 years of experience in the medical field. He graduated from University College Cork, National University Of Ireland, School Of Medicine, Room 259 medical school in 1990. He is affiliated with PeaceHealth St. John Medical Center. His office accepts new patients.

Dr. Michael McNellis, MD

Peacehealth St. John Medical Center

1615 Delaware St Longview, WA 98632 ()
Accepting new patients

Make an Appointment

(360) 414-2730

Accepting new patients

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At a Glance

  • Practices at Top Hospital
    Patient Safety Excellence Award™ See hospitals

Experience and Background Checks


Background Check

Healthgrades does not collect malpractice claims information for Washington
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
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Experience Check

Check if Dr. McNellis treats your condition or procedure

Dr. McNellis' conditions and procedures:

  • Acidosis
  • Acute Bronchitis
  • Adrenal Gland Cancer
  • Alkalosis
  • Arterial Blood Gas Test (ABG)
  • Asbestosis
  • Asthma
  • Biliary Atresia
  • Bronchiectasis
  • Bronchitis
  • Bronchoscopy
  • Cholecystitis and Gallstones
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Collapsed Lung (Pneumothorax)
  • Colorectal Cancer
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Cough
  • Diaphragmatic and-or Hiatal Hernia
  • Emphysema
  • Gallstones
  • Hepatopulmonary Syndrome
  • Hiatal Hernia
  • Histoplasmosis
  • Hypersensitivity Pneumonitis
  • Ileus
  • Influenza (Flu)
  • Interstitial Lung Disease
  • Intestinal Abscess
  • Intestinal Obstruction
  • Low Blood Oxygen Level
  • Lung Cancer
  • Lung Nodule
  • Metastatic Respiratory System Cancer
  • Mycobacterial Lung Infection
  • Neuroendocrine Tumors
  • Partial Lung Collapse
  • Peripheral Vascular Disease (PAD, PVD)
  • Pleural Effusion
  • Pneumoconiosis and Pneumonopathy
  • Pneumonia
  • Pneumonitis (Due to Solids or Liquids)
  • Primary Pulmonary Hypertension
  • Pulmonary Embolism
  • Pulmonary Hypertension
  • Pulmonary Insufficiency
  • Pulmonary Rehabilitation Services
  • Respiratory Failure
  • Respiratory Management
  • Rib Fracture
  • Ruptured Aortic Aneurysm
  • Sarcoidosis
  • Secondary Malignancies
  • Shortness of Breath
  • Sleep Apnea
  • Smoking Cessation Counseling
  • Soft Tissue Sarcoma
  • Swine Flu
  • Thoracentesis
  • Ventral Hernia
  • Wheezing

Insurance Check

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Dr. McNellis accepts

Accepted insurance can change. Please double-check when making an appointment.

(360) 414-2730

Dr. McNellis accepts the following insurance:

Choice Plus POS II
National (BlueCard) PPO
Blue Cross Blue Shield
Blue Card PPO
CareFirst Blue Cross Blue Shield
HealthyBlue 2.0
HealthyBlue Advantage
Cigna PPO
Open Access Plus
First Health (Coventry Health Care)
First Health (Coventry Health Care) PPO
Choice Care PPO
Kaiser Permanente
MultiPlan PPO

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About Me


Dr. Michael McNellis, MD is a Critical Care Medicine Specialist in Longview, WA and has over 32 years of experience in the medical field. He graduated...Read more


  • Critical Care Medicine
  • Pulmonary Disease

Board Certifications

  • Critical Care Medicine
  • Pulmonary Disease


St Vincent Hospital Med Center
Residency Hospital
University College Cork, National University Of Ireland, School Of Medicine, Room 259
Medical School


Frequently Asked Questions

Is Dr. Michael McNellis, MD accepting new patients?

Dr. Michael McNellis, MD generally accepts new patients on Healthgrades. You can see Dr. McNellis' profile to make an appointment.

Does Dr. Michael McNellis, MD accept my insurance?

Use the Healthgrades insurance check to verify if Dr. McNellis accepts your insurance.

What are Dr. Michael McNellis, MD's top areas of care?

Dr. McNellis frequently treats Shortness of Breath, Wheezing, and COPD (Chronic Obstructive Pulmonary Disease). See all procedures and conditions Dr. McNellis treats.

Where is Dr. Michael McNellis, MD's office located?

Dr. McNellis' office is located at 1615 Delaware St, Longview, WA 98632. Find other locations and directions on Healthgrades.

Does Dr. Michael McNellis, MD offer telehealth services?

Dr. McNellis has not yet indicated whether they offer telehealth services. Please contact the office to check for availability/eligibility.

How can I make an appointment with Dr. Michael McNellis, MD?

Find contact information here to make an appointment.



Peacehealth St. John Medical Center1615 Delaware St Longview, WA 98632

Affiliated Hospitals

Dr. McNellis is affiliated with the following hospital. Select the hospital below to learn more.

Learn more about how Healthgrades measuresHospital Quality.

PeaceHealth St. John Medical Center

Longview, WA

57% Patients that would definitely recommend, 13% lower than the national average

1 Award Received

Award Highlight: Patient Safety Excellence Award™ (2021)