Catherine Marmillo, M.D.

Steamboat Medical Group

Emergency Medicine

Steamboat, CO

Most recent review: 1 week ago New
4.9
62 Ratings
30 Comments

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

4.9
62 Ratings
30 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.

the best ever

(1 week ago) May-2026

Dr. Marmillo is AMAZING! She saw me at the end of a long day and still gave me her full attention. She treated my ankle injury

(3 weeks ago) May-2026

She's the Best!!! Great listener.

(3 weeks ago) May-2026

Friendly, incredibly knowledgeable, and compassionate. I will definitely continue to see her as my primary doctor.

(1 month ago) May-2026

Amazing! Very personable and comprehensive review of all information to recommend treatment - Thank you

(1 month ago) Apr-2026

She is always great , nice and thorough

(1 month ago) Apr-2026

She is a great caring Doctor!

(2 months ago) Apr-2026

She was excellent, sweet and very informative

(2 months ago) Mar-2026

Very polite and professional. Felt like she heard me and addressed my concerns.

(2 months ago) Mar-2026

Catherine was the most kind, empathetic Dr. I experienced. She is super efficient and tried to take away any barriers is getting the prescription I needed since I am from elsewhere.

(2 months ago) Mar-2026
Read More