Highlights
Age Groups Seen
- Adult 19-64
- Older Adult >65
Gender
MaleAbout Harsharn Grewal
About The Provider
Harsharn Grewal, MD, is an internal medicine physician dedicated to providing comprehensive, evidence-based care with a focus on preventive medicine and chronic disease management. He empowers his patients to take an active role in their health and well-being, believing that informed and engaged patients achieve the best outcomes.
“I like helping patients in their long-term management of their disease.”
Dr. Grewal takes the time to get to know each individual, building strong relationships and offering guidance and support throughout their health journey. His patient-centered approach reflects a deep commitment to long-term wellness and collaborative care.
When not working, Dr. Grewal enjoys working out, spending time in nature, playing badminton, and watching documentaries.
Video
Locations
- Reunion Clinic
- 10569 Chambers Road, Unit 102, Commerce City, CO 80022
- Get Directions
- phone: 303-286-6250
- fax: 303-227-6721
Expertise
Education
- Residency: St. Vincent Mercy Medical Center-Rotating Int, Internal Medicine, 2025
- Medical School: Adesh Institute of Medical Sciences & Research, Internal Medicine, 2018
Insurance
- Aetna Colorado
- Anthem BCBS Colorado
- Cigna Colorado
- Cigna HealthSpring (MA) - Colorado
- ClearSpring Healthcare Colorado
- Colorado Access - Colorado
- Denver Health - Colorado
- Humana Colorado
- InnovAge Colorado
- Kaiser HMO - Colorado
- Medicaid Colorado
- Medicare Colorado
- Medicare Railroad
- Multiplan/PHCS - Colorado
- PHP/Physician Health Partners - CO
- Rocky Mountain Health Plan Colorado
- SelectHealth
- TriWest Healthcare Alliance Colorado
- United Healthcare Colorado
- University of Utah - Colorado
Ratings & Reviews
4.4 out of 5
72 ratings, 15 reviewsThe 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.
- 5 out of 5 starsReviewed on 2/5/2026
Dr Grewal listens and always is interested in my health. He is kind and personable.
- 5 out of 5 starsReviewed on 1/25/2026
good at explaining all of my concerns
- 5 out of 5 starsReviewed on 1/16/2026
He is very helpful and interested in the best care for my needs.
- 5 out of 5 starsReviewed on 1/3/2026
Professional and seemed like he wanted to make sure my health needs were addressed.
- 5 out of 5 starsReviewed on 1/1/2026
He was very thorough and remembered what he advised me at the previous visit. I felt that I mattered and my visit was important and medically important for my health. I was unsure at first but I am so happy I made that appt. I feel cared for. Thank you all.
- 5 out of 5 starsReviewed on 12/19/2025
I appreciate Dr. Grewal’s expertise and his very caring approach.
- 5 out of 5 starsReviewed on 12/13/2025
Dr. Grewal was very attentive to my questions and provided positive feedback on where I need to go with improving my overall health for my next checkup.
- 5 out of 5 starsReviewed on 12/6/2025
Kind, patient, took time to review patient history, very helpful
- 5 out of 5 starsReviewed on 12/3/2025
Kind.
- 5 out of 5 starsReviewed on 11/9/2025
I just felt comfortable with him. He seems intelligent and understands his responsibility to his patients
- 5 out of 5 starsReviewed on 11/9/2025
Caring easy to talk to
- 5 out of 5 starsReviewed on 10/25/2025
I'm beginning to feel better now that he changed my medicine. I feel very lucky and blessed to be here.
- 5 out of 5 starsReviewed on 10/17/2025
Has a very personal attitude
- 5 out of 5 starsReviewed on 10/1/2025
Good information
- 5 out of 5 starsReviewed on 9/30/2025
Very chill guy!