David R Ralston

David R Ralston, MD

Pulmonary Disease, Critical Care Medicine, Sleep Medicine

Primary Contact

(614) 627-1300

Services & Specialties

Areas of Specialization

  • Pulmonary Disease
  • Critical Care Medicine
  • Sleep Medicine

Locations & Contact

Primary Location

Mount Carmel Pulmonary & Sleep Grove City

5300 N Meadows Dr
Bldg 2 - Ste 3820
Grove City, OH 43123

Mount Carmel Pulmonary & Sleep Grove City

Mount Carmel Pulmonary & Sleep Westerville

477 Cooper Rd
Ste 450
Westerville, OH 43081

View hours
Monday
8:00am - 4:30pm
Tuesday
8:00am - 4:30pm
Wednesday
8:00am - 4:30pm
Thursday
8:00am - 4:30pm
Friday
8:00am - 4:30pm
Mount Carmel Pulmonary & Sleep Westerville

About

Dr. Ralston received his medical degree and completed his internship, residency and fellowship from The Ohio State University. He is board-certified by the American Board of Internal Medicine, American Board of Pulmonary Medicine, and American Board of Critical Care Medicine. He is also board-certified by the American Board of Internal Medicine, Pulmonary, Critical Care and Sleep Medicine. Dr. Ralston's special interests include Asthma, COPD, Circadian Rhythm, Critical Care Medicine, Insomnia, Interstitial Lung Disease, Lung Nodules/Lung Cancer, Narcolepsy, Periodic Limb Movement Disorder, Shift Work Problems, Sleep Apnea, Snoring, Upper Airway Resistance Syndrome, and Venous Thromboembolic Disease.

Conditions Treated

  • Asthma
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Critical Care Medicine
  • Lung Cancer
  • Lung Nodules
  • Pulmonary & Sleep
  • Interstitial Lung Disease
  • Insomnia
  • Narcolepsy
  • Periodic Limb Movement Disorder
  • Shift Work Problems
  • Sleep Apnea
  • Upper Airway Resistance Syndrome
  • Snoring
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Additional Resources

Education & Certifications

Education

Education:
Ohio State University College of Medicine (1990)

Residency:
Ohio State University Hospitals (Internal Medicine) (1994)

Fellowship:
Ohio State University Hospitals (Pulmonology/Critical Care) (1997)

Board Certifications

Pulmonary Disease, American Board of Internal Medicine Subspecialty Pulmonary Disease (1996)

Critical Care Medicine, American Board of Internal Medicine Subspecialty Critical Care Medicine (1998)

Pulmonary Disease, American Board of Sleep Medicine (2004)

Sleep Medicine, American Board of Sleep Medicine (2004)

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.9 out of 5

(151 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

12 Reviews

08/25/2026

Dr.Ralston is very knowledgeable and is very personable and a very caring person.

07/10/2026

I enjoy my time with doc Ralston he is a very good and caring person

07/08/2026

Great person and Doctor

01/09/2026

I have been a patient of this practice for almost 16 years. My recent visit with Dr. Ralston was the best experience that I have had with this practice in all of the years that I have been a patient. He very clearly explained all treatment options that are available to treat my sleep apnea.

01/07/2026

Great experience

01/06/2026

Great doctor

11/19/2025

Very nice staff.

11/03/2025

Dr. Ralston always does a great job explaining how things work and what works best. We seem to learn something new every visit. Dr. Ralston is very honest and direct..

10/31/2025

They don’t make doctors like Dr. Ralston! Never rushes you and seems to genuinely care for his patients.

10/27/2025

Very friendly

10/06/2025

I've never had a better doctor or specialist.

09/25/2025

I have always recommended Dr. Ralston. He is great and always addresses any concerns we have and is very good explaining everything to us.
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