Catherine Marmillo, M.D.

Practice: Steamboat Medical Group

Specialty: Emergency Medicine

Office locations: Steamboat, CO

Most recent review: 2 weeks ago Recent
4.9 out of 5
84 Ratings
44 Comments

Dr. Catherine Marmillo, M.D., is a Physician at Steamboat Medical Group.

4.9 out of 5
84 Ratings
44 Comments

Dr. Catherine Marmillo, M.D., is a Physician at Steamboat Medical Group.

The reviews listed below were collected independently of Steamboat Medical Group through rater8. Each review represents an authentic and verified patient experience.

Great ideas for my concerns

Rated 5 out of 5 stars
(2 weeks ago) Oct-2026

Great listening

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Good communication, straight forward answers, suggested options.

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Before the appointment was over, dr. Marmillo wanted to know if she was helpful.

Rated 5 out of 5 stars
(1 month ago) Sep-2026

She is the best!

Rated 5 out of 5 stars
(1 month ago) Aug-2026

Great doc

Rated 5 out of 5 stars
(2 months ago) Aug-2026

Very attentive and helpful advice. Feels like a visit with a friend.

Rated 5 out of 5 stars
(2 months ago) Aug-2026

Wonderful appointment with Dr. Marmillo - she was right on time, took the time to listen, and provided great insight. Couldn’t be more impressed.

Rated 5 out of 5 stars
(2 months ago) Jul-2026

She is amazing and actually listens to you! Always great ex with a warm hug!

Rated 5 out of 5 stars
(4 months ago) Jun-2026

Katie always does her best for me

Rated 5 out of 5 stars
(4 months ago) Jun-2026