Lisa Hertz, MD

Unio Specialty Care

Gastroenterology

Los Alamitos, CA

Most recent review: 4 days ago New
5.0
78 Ratings
42 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
78 Ratings
42 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.

Great doctor!!

(4 days ago) Jul-2026

Dr Hertz is a kind, compassionate, experienced gastroenterologist. My husband and I have been patients of hers for many years and she has always addressed any questions or concerns we might have with clarity and patience. We consider ourselves very fortunate to call her our doctor.

(5 days ago) Jul-2026

It’s wonderful knowing I can call Dr. Hertz’s office if my diverticular symptoms appear and they guide me through steps that have kept me from having to go to the ER!!! That has been such a great relief! For years, I would just go to the ER!! Ally and the entire staff are incredible always checking with Dr. Hertz if I am have my usual intestinal troubles. I am so thankful Dr. Hertz is so available !!! They are a godsend !!!!!

(1 week ago) Jul-2026

I like that she listens to you!

(1 week ago) Jul-2026

Professional, patient and caring!

(1 week ago) Jul-2026

Love Dr Hertz…She’s the best.

(1 week ago) Jul-2026

Professional, caring and friendly!

(3 weeks ago) Jun-2026

She’s excellent. I’ve been going to her for 23 years

(3 weeks ago) Jun-2026

She is an amazing doctor. She is such a nice person and answers all questions very thoroughly.

(1 month ago) Jun-2026

Above and beyond routine care. I was treated as an individual that needed medical care, not just a “case”. She explained things in terms that I could understand!

(1 month ago) Jun-2026
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