David R Ralston

David R Ralston, MD

Pulmonary Disease, Critical Care Medicine, Internal Medicine, Sleep Medicine

Provider Groups

  • Mount Carmel Medical Group

  • Mount Carmel Health Partners

Primary Contact

614-627-1300
Appointments (New Patients Welcome)
Provider Groups
  • Mount Carmel Medical Group

  • Mount Carmel Health Partners

Primary Contact
614-627-1300

Services & Specialties

Areas of Specialization

  • Critical Care Medicine
  • Internal Medicine
  • Pulmonary Disease
  • 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
Thursday
8:00am - 4:30pm
Wednesday
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 (1994)

Fellowship:
Ohio State University Hospitals (1997)

Board Certifications

Pulmonary Disease, Sleep Medicine, American Board of (2004)

Sleep Medicine, Sleep Medicine, American Board of (2004)

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

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

Provider Groups

Mount Carmel Medical Group

Mount Carmel Health Partners

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

(136 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.

42 Reviews

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.

09/24/2025

Doctor Ralston provides excellent care,

09/24/2025

I had a very positive experience.

09/23/2025

Dr. Ralston was very knowledgeable of my condition and explained well what I鈥檓 going through. Gave me a generous supply of medication I need. He has very efficient staff

09/23/2025

Trust in him..he is very knowledgeable and understanding and helpful!

09/23/2025

He鈥檚 great

09/23/2025

I just can鈥檛 say enough good things about Dr. Ralston. I highly recommend him.

09/16/2025

I like the way Dr.Ralston took the time with me and explained everything . He apparently took the time to read my chart and was on top of everything.

09/15/2025

Please tell Dr. Ralston I am grateful to have him as my sleep apnea doctor. He is a top notch physician. He gets the highest ratings from me. He is the best sleep doctor I have ever had.

08/27/2025

Good patient relationship. Seems to know what he is talking about

08/27/2025

Very pleased with my appointment!!

08/01/2025

I love my doctor, he is very knowledgeable and takes so much time with me and shows how much he cares for me!

08/01/2025

I feel I am in good hands with Dr. Ralston. He is most caring and considerate and makes his patient feel comfortable and that he understands them. I could not ask for a better doctor. He is not only my doctor but a friend too. I'm grateful to be in his care.

08/01/2025

He is excellent

07/18/2025

He's great

07/18/2025

it was great to be able to meet the doctor and to explain what my concern and he was able to explain what my needs are, and to help me to understand how this affects my health.

07/18/2025

Dr. Ralston treats his patients with caring and professional expertise. We need more doctors like him.

07/16/2025

The office was very clean and comfortable and the front office staff were very welcoming and helpful.

07/02/2025

Dr Ralston takes interest in your personal family life.

07/02/2025

I highly recommend Dr. Ralston.

07/01/2025

I would highly recommend Dr Ralston to anyone that needed a pulmonary doctor

07/01/2025

I like the staff and the Doctors they do a wonderful job and seem to care about the patients they always try to make sure they see you in a timely manner great place

06/12/2025

Timely, always smiling, thorough, very informative, and caring.

06/10/2025

Dr. Ralston was great very patient and thorough.

05/09/2025

Did a great job explaining my medical condition, was very friendly and also remembered my sister's name who came with me the last visit.

04/24/2025

This visit was above and beyond my expectations and past visits.

04/23/2025

Dr. Ralston was EXCELLENT. I have already recommended him to my cousin.

04/22/2025

Professional/made at ease/ explained well

04/09/2025

Good

03/12/2025

Looking forward to my next visit. Dr. Ralston and his staff told me that if there were any problems getting my prescription for medical equipment and supplies, not to hesitate to contact them so they could help with any difficulties.s ny issues in getting his prescription for me for medical

03/11/2025

Very friendly and help find out what was wrong with me

02/25/2025

Great doctor

01/27/2025

Always good follow up on questions or concerns. Perhaps need to spend a little more time on prescribed sleep meds & their side effects.

01/17/2025

He really listens to all our concerns. I believe he is one of the best.

01/15/2025

He treats me like a person (or his mother) not a number and is very thorough.

01/15/2025

I feel I am in good hands with Dr. Ralston.

01/14/2025

He did a great job of answering my questions

01/14/2025

Nothing more at this time.

12/12/2024

Felt confident with his knowledge and prescribed direction for my care.

12/11/2024

I will be there forever with the experience I had recently

12/10/2024

Great
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