Mercy Clinic

Ann M. Hennessey, MD

Schedule Online

(4.6/5)

116 Ratings | 20 Comments

Accepting new patients

Location and Contact Information

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Education

Medical School

Residency

Saint Louis University - SSM Health Cardinal Glennon Children's Medical center-Pediatrics

Specialty

Board Certifications

Affiliations

Resource

Languages

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Find the Mercy provider who's right for you.

Looking for more options?

Find the Mercy provider who's right for you.

From 116 patients

(4.6/5)

The provider rating is an average based on Mercy Clinic's post-care survey responses. To find out more, check out our frequently asked questions.

Viewing 1-3 of 20 comments

Highlights from patients about their experience with this provider:

May 30, 2025

(4/5)

We had a scheduled appointment and unfortunately waiting an hour to be seen. It's difficult to wait that long with a baby, and it would be great if we had the option to reschedule after 20-30 minutes of waiting. Especially if a patient is more than 15 minutes late to an appointment, the patient needs to reschedule. It should be the same courtesy both ways.
May 21, 2025

(5/5)

Dr. Hennessy and her team are always amazing to our children and family in regards to their care
May 7, 2025

(5/5)

Great experience, took awhile to be seen