Lisa Hertz, MD

Practice: Unio Specialty Care

Specialty: Gastroenterology

Office locations: Los Alamitos, CA

Most recent review: 1 week ago New
5.0 out of 5
109 Ratings
56 Comments

Lisa Hertz, M.D., earned her Doctor of Medicine from Harvard Medical School and then completed her internship and residency in Internal Medicine and fellowship in Gastroenterology at UCLA. Dr. Hertz is board certified in both Internal Medicine and Gastroenterology.

5.0 out of 5
109 Ratings
56 Comments

Lisa Hertz, M.D., earned her Doctor of Medicine from Harvard Medical School and then completed her internship and residency in Internal Medicine and fellowship in Gastroenterology at UCLA. Dr. Hertz is board certified in both Internal Medicine and Gastroenterology.

The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.

Very helpful…

Rated 5 out of 5 stars
(1 week ago) Oct-2026

Dr Hertz has been my Gastroenterologist for 19 years She is an excellent provider and I feel so blessed to have her as my Dr

Rated 5 out of 5 stars
(1 week ago) Oct-2026

She’s outstanding!

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

An absolutely wonderful doctor. Always kind and caring!!!

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

Outstanding, compassionate

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

Bright, thorough, friendly, professional, and caring.

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

Dr Hertz is the best! So happy with her. Super thorough.

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

Friendly and congenial and was very interested in how I was doing.

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

Very attentive, extemely professional

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

Dr Hertz is the only doctor I know that does not time her visits giving you, say 15 minutes. Never has. If she needed to spend 40 she roll on without you even knowing. And she is most honest and super smart. For me, she is Godsent. Don’t miss this opportunity for her consult!

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