Home / Wellness
Fizgig with Dr. Denise Dietsch, DVM, united November 5, 2014

We build long, healthy relationships

Wellness starts with bringing home a healthy pet, and continues with ongoing support and guidance. Beyond adoption, we provide additional services and outreach to help you and your pet lead fulfilling lives.

Client Wellness Portal

Your Pet’s Vaccine Records At Your Fingertips

The APA’s Client Wellness Portal provides you with access to your pet’s records 24/7 with just a few clicks. Here you can review your pet’s vaccine history, vaccination due dates, update your contact information, or even schedule an appointment.

Please note that appointments can only be scheduled up to 48 hours in advance.

Client Portal

If your pet needs to be seen by a veterinarian for something other than vaccines, or if you are a new Clinic client, please call us at 314.645.4611 to schedule your appointment.

Clinic Hours

Mon, Tues, Thurs & Fri

10 a.m. – 4:30 p.m.
(closed for lunch 1-2 p.m.)


10 a.m. – 1 p.m.


9:30 a.m. – 4 p.m.




The APA stays with you for the long term

Our clinic is designed to provide affordable and accessible veterinary care for the community with ongoing support to adoptive families with services including:

  • Wellness Packages

  • Routine Outpatient Care

  • Vaccinations

  • Heartworm Preventative

  • Flea & Tick Preventative

  • Minor Illness Consultation

Online Pharmacy

Pet Meds With Zero Hassle

Shop from home, and have medications delivered to your door.


Save with wellness packages

Get the routine care your pet needs and save every year with APA’s Wellness Packages. All services are also available a la carte at regular pricing.

Dr. Jennifer Marquardt

Jennifer Marquardt, DVM

Director of Veterinary Services

Dr. Marquardt graduated from the University of Illinois College of Veterinary Medicine before working in private practice in Chicago and the St. Louis area. She joined our veterinary team in 2017 to provide wellness care for the community and enjoys spending time with her family, two dogs, and cat. In addition to her family travels, she also enjoys metal sculpting and jewelry making.

Dr. Caroline Lenczowski

Caroline Lenczowski, DVM

Dr. Lenczowski joined the APA after looking for a position focused on community wellness and shelter medicine. She’s a graduate of the top-ranked veterinary program at Purdue University and enjoys staying busy with her family, farm, and many animals when she’s not at the APA.

Kris Clements, DVM

Staff surgeon and calico cat aficionado Dr. Clements performs spay and neuter services for our outgoing animals. She graduated with her DVM from the University of Illinois and provides surgery at the shelter twice a week. Dr. Clements is an integral part of our commitment to finding homes for pets, including the two calico cats she adopted from the APA — Cora and Willow.

Sandy Angus, DVM

Dr. Angus graduated from the University of Missouri of Veterinary Medicine. She was in private practice for several years before finding her passion in working for non-profit facilities. Dr. Angus recently joined the APA team in providing wellness care for the community. When she is not working, Dr. Angus has a life full of activity! She enjoys hiking camping, kayaking, dance, and traveling. She also has two small dogs of her own that are her sweet little travelers!

Pet Owner Support Programs

Wellness Extends Beyond the Clinic

We don’t wait for people and pets to come to us. As part of our mission, we actively reach out to the community and lend our support.

Safe Care

St. Louis’ first animal assistance program provides temporary care for the pets of those experiencing domestic violence, so every family member can get to safety.

Pet Partners

Our door-to-door community service helps people and pets stay together in vulnerable communities. We provide needed resources, like food and vaccines, while raising awareness of free spay and neuter services.

Heads-to-Tails Hope Fund

A needs-based financial assistance program for veterinary care, made possible by generous APA donors.

Crisis Housing

Our recently expanded crisis housing program gives pets a safe place to live while their owners contend with housing instability.

Your Donation Makes An Impact

Beyond adoption, there are many ways to help people and pets bring out the best in each other. A gift to the APA enables us to give second (and sometimes third or fourth) chances to deserving pets.