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Thomas Gravelyn, MD

Thomas Gravelyn, MD

Sleep Medicine, Critical Care Medicine

Provider Ratings

4.8 out of 5 (311 ratings)

Provider Groups

  • Trinity Health IHA Medical Group

Primary Contact

(734) 712-7688
Schedule Online
Accepting New Patients
Schedule Online
Provider Groups

  • Trinity Health IHA Medical Group

Primary Contact
(734) 712-7688
Print Share

Services & Specialties

Areas of Specialization

  • Sleep Medicine
  • Critical Care Medicine

Locations & Contact

Primary Location

Trinity Health IHA Medical Group, Pulmonary, Critical Care & Sleep Medicine - Ann Arbor Campus

5333 McAuley Dr
Ste 3111
Ypsilanti, MI 48197

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
Trinity Health IHA Medical Group, Pulmonary, Critical Care & Sleep Medicine - Ann Arbor Campus
(734) 712-7688 View Details
Schedule Online

Also Affiliated With...

About

Thomas R. Gravelyn, MD, FCCP, FACP, has clinical interests in sleep medicine and chronic obstructive pulmonary disease (COPD). He is the medical director of the Trinity Health Ann Arbor Hospital Sleep Disorders Center. Dr. Gravelyn is a member of numerous professional organizations and societies. He is co-medical director at Trinity Health IHA Medical Group, Pulmonary, Critical Care & Sleep Medicine - Ann Arbor.

Insurances Accepted

  • Aetna
  • Aetna (Medicare Advantage)
  • Aetna Better Health of Michigan
  • BCBS Michigan (Medicare Advantage)
  • Blue Care Network of Michigan
  • Blue Cross Complete of Michigan
  • BlueCross Blue Shield Michigan
  • Cofinity
  • Community Care Associates
  • Health Alliance Plan of Michigan
  • Humana Medicare Advantage
  • McLaren Health Plan
  • Medicaid Michigan
  • Medicare Michigan
  • Meridian Health Plan
  • Molina Healthcare of Michigan
  • Priority Health
  • Priority Health Medicaid
  • Priority Health Medicare
  • Railroad Medicare Michigan
  • Tricare Humana Military
  • Tricare Prime Remote
  • Trinity Health
  • United Healthcare
  • UnitedHealthcare Community Plan Michigan
  • University of Michigan Health Plan
  • Veterans Choice Program
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Education & Certifications

Education

Residency:
Trinity Health Ann Arbor Hospital

Medical School:
University of Michigan

Fellowship:
University of Michigan Hospitals

Board Certifications

American Board of Internal Medicine/Pulmonary Disease

American Board of Internal Medicine/Critical Care Medicine

American Board of Internal Medicine

Provider Groups

Trinity Health IHA Medical Group

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 >

4.8 out of 5

(311 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.

81 Reviews

02/23/2026

everything is good

02/11/2026

Always pleasant

02/10/2026

Anytime I have to call the office and have a question or leave a message, they get back to me.Basically the same day , I am very grateful for that

01/13/2026

I’m glad for the continuity of having Dr. Gravelyn as my provider overtime and him being a reliable source of information and care.

01/05/2026

He always takes the time to Hear me out!

12/23/2025

Honesty and integrity and love for his patients

12/08/2025

Love him.

12/01/2025

Thank You1

11/25/2025

Very knowledgeable and explained and answered all my questions and was personable.

11/18/2025

He's the best!

11/18/2025

All of my interactions with Dr Gravelyn, both now and previous, have been very positive.

11/10/2025

This is one of my favorite doctors. He explains everything I ask at a level that I understand. Very pleasant.

11/06/2025

I prefer to see another provider in the future. He wasn’t warm or welcoming. Asked “how can I help you as If I was a customer in a store”. No overview of who he was, I do not recommend and do not want to see him.

11/05/2025

It was a very pleasant virtual visit with the doctor explained very well my sleep apnea results. Thank you Dr. Gravelyn.

11/03/2025

He is a wonderful caring Dr

10/29/2025

I would highly recomend Dr. Gravelyn to anyone, he is friendly, knowledgeable, and easy to talk to.

10/29/2025

Excellent.

10/27/2025

Dr. Graverlyn is patient and knowledgeable. Highly recommend

10/23/2025

Always receive top notch care

10/20/2025

Consistently treated me well. He obviously reviews my file before my appointments.

10/02/2025

Dr Gravelyn listened attentively to my concerns and addressed them right away.

09/30/2025

Very good doctor and answered every question I had

09/29/2025

always a pleasure to see him.

09/23/2025

Very helpful

09/23/2025

Great doctor!! I look forward to our annual meetings.

09/17/2025

Dr Gravelyn is a very caring provider who is very knowledgeable in his fields of expertise

09/16/2025

For the issues I deal with this is the doctor I would recommend.

09/16/2025

Humor seems so silly, but it is a relief when you go in expecting the worst and receive some laughter.

09/15/2025

Dr. Gravelyn is a phenomenal clinician. He took his time to explain my options and clarify my questions. I look forward to speaking with him again.

08/19/2025

Excellent doctor!

08/19/2025

Always a pleasant visit with Dr Gravelyn. His care has been critical to my quality of life.

08/19/2025

I like Dr. Gravelyn who is personable and clear with his explanation of my condition. We have a plan going forward that suits me simply fine.

08/11/2025

He is awesome

08/06/2025

Excellent!!

08/05/2025

Only good things about Dr. Gravelyn and his staff. They were all great.

08/05/2025

great

07/28/2025

Thank you

07/25/2025

Great Dr.

07/14/2025

Excellent health care provider!

07/14/2025

I meant to give him a 10 but my finger slipped.

07/08/2025

Was an informative visit.

06/23/2025

See my previous note. Dr. Gravelyn is cold. That doesn't mean he's a bad doctor, but I would not see him again.

06/23/2025

Excellent

05/09/2025

Very good Dr.

05/07/2025

Doctor explained things very well

04/15/2025

Dr Gravelyn was very informative, polite, and listened very carefully to your concerns and he knows what he’s doing..

03/19/2025

Very satisfied with my care

03/18/2025

Dr. Gravelyn always take care of me!

03/17/2025

Excellent!

03/06/2025

Excellent physician. Thorough explanation of my test findings and provided me with options to make my own decisions for treatment plan. Answered all questions clearly. Compassionate as well.

03/05/2025

Thanks!

03/04/2025

He’s very professional listen to what I was saying help me to understand my condition more

02/18/2025

Dr.Gravelyn, has taken care of me since 2005. He always is concern about my health. I couldn't ask for a better Doctor. Always making me feel comfortable about my test results.

02/17/2025

Dr. Gravelyn has taken great care of me since 2005. Always thinking the best for me.

01/29/2025

front and back office efficient and friendly. Dr Gravelyn very well versed with my concerns. I am having positive response to his prescribed treatment.

01/17/2025

Great service from the entire team

01/16/2025

It is a pleasure to work with Dr. Gravelyn.

01/16/2025

Can’t say enough about how great the doctor and nurses and staff are they aren’t in a hurry to kick you out and they really care

01/16/2025

Learned more in second visit.

01/11/2025

Timely, courteous and competent

01/09/2025

I’m fortunate to have Dr. Gravelyn and his team overseeing my care for sleep apnea

12/05/2024

Dr. Gravelyn is a very knowledgeable and personable physician. He has discussed several options with me and always allows time for my input.

12/04/2024

Dr. GRAVELYN is very helpful and knowledgeable ..he has offered several alternatives for me and allowed me to collaborate with him on the best approach.

11/30/2024

Very good. Caring listens truly amazing.

11/27/2024

He’s fantastic

11/21/2024

I've been a patient of Dr. Gravelyn for years and am very pleased with him!

11/06/2024

I am very happy

11/05/2024

Very happy

10/21/2024

Great work

10/04/2024

He has kept me alive along with god- he is like family to me-the best

09/16/2024

The only disappointment was that my 2:40 appointment started at 3:20.

09/09/2024

Everything was great

09/09/2024

I look forward to seeing Dr. Gravelyn every year for my CPAP concerns.

08/21/2024

Dr. Gravelyn is a knowledgeable and thorough physician.

08/19/2024

Good dr.

08/19/2024

Excellent appointment with Dr. Gravelyn.

08/13/2024

I consider the doctor very knowledgeable and experienced.

08/07/2024

Very professional very knowledgeable in his feel would recommend him to family and friends

08/05/2024

Everything was very professional

05/02/2024

The Zoom meeting was very efficient for the purpose intended. Dr Gravelyn is the best!

02/21/2024

I couldn’t ask for a better Doctor. He is so thoughtful and caring about your health. I’ve been with in since 2005
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Schedule Online (734) 712-7688

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