• Why Choose Us?
  • AAHA Certification
  • Essential Diagnostics
  • Surgical Care and Pain Management
  • Value Vs. Cost
  • Why Choose Us?

  • AAHA Certification

  • Essential Diagnostics

  • Surgical Care and Pain Management

  • Value Vs. Cost

Where Every Pet is a VIP

We care for your pets as if they were our own - it's our motto, our passion and our promise to you.

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Meet the Veterinarians

  • Dr. Missy Simpson

    Dr. Missy Simpson

    Dr. Missy Simpson, PhD, Associate Veterinarian, brings extensive experience and a research background to AAH in caring for pet patients, helping them live long, happy, healthy lives.

  • Dr. Pat Mahoney

    Dr. Pat Mahoney

    Dr. Pat Mahoney, owner, has been providing high-quality care to pet patients at American Animal Hospital for more than 30 years, and is involved in a variety of community organizations.

Read their full bios

What our clients say

  • My first two visits to AAH have been great! Very easy and comfortable. I will continue to come back!

    Paula S, Neenah

  • I just love Dr. Mahoney! And Shelly and Kaitlin and all the exam room nurses too. My visits are always great. I have been with AAH since 1974!

    Mary K, Menasha

  • Nico's care was explained very well. My visit was fantastic!

    Genevieve T, Neenah

  • There is nothing they could do better. I have been a long-time client for many years. AAH is wonderful!

    Barbara S, Neenah

  • Dr. Mahoney is such an experienced, knowledgeable vet!

    Debbie H, Neenah

  • Great as always. This is why we always keep coming back. They're very positive and we appreciate the promptness. AAH does not waste our time.

    Jordan G, Neenah

  • Excellent care as always. The staff is always welcoming and happy! And they talk to you so you can understand.

    Ethan V, Neenah

  • I love all the front staff! I have great relationships with many staff members. Dori and Linda are Riley's favorites! Mine too.

    Dawn B, Neenah

  • They always do an amazing job. We are very happy. We will always keep coming back!

    Vicki, Neenah

  • AAH is very upbeat and professional. Everyone is incredibly nice. I will be coming back for sure!

    Kelly M, Neenah