Animal Hospital of Walnut

Animal Hospital of Walnut Pet care for the dogs and cats of the Walnut, Diamond Bar and beyond. We offer laser therapy, dental Your Pet Is Important To Us!

We Set High Standards In Quality Care For Your Companion. Dr. Damon Goldstein founded the Animal Hospital of Walnut in 1981 to offer exceptional care to dogs and cats in Walnut, Diamond Bar, Chino Hills, Phillips Ranch and the surrounding areas. Dr. Mintzer is the current owner of the hospital. He has worked in the area since 1995 and is committed to maintaining the high standards which have made

Animal Hospital of Walnut a trusted pet care facility. You'll still be seeing many of the same friendly, happy faces at each visit. We know just how you feel about your dog or cat. For routine wellness care, or in times of illness or injury, no one is more dedicated to giving your pet a long and healthy life than our experienced and compassionate Veterinarians: Genevieve LeClair, DVM and Charles Mintzer, DVM and our equally caring and friendly Staff. We hold ourselves to high standards and are constantly increasing our knowledge and skills. Our team of Doctors, Technicians, Receptionists, and Managers work together to create a unique environment for our clients and their pets. It has always been and will continue to be our tradition to provide excellent veterinary medical care. We are passionate about the care we provide and value the trust and loyalty our clients place in us.

Make it your pet’s wellness season! Enjoy longer days, warmer walks, and a pet thriving this spring, let’s keep it that ...
04/25/2026

Make it your pet’s wellness season!

Enjoy longer days, warmer walks, and a pet thriving this spring, let’s keep it that way. Sign up and save big with our wellness plan. A quick wellness visit helps ensure vaccines are up to date, weight is on track, and your pet stays healthy all season. With annual f***l and heartworm testing included, we can catch hidden issues early—keeping your pet safe, happy, and protected.

Our plans include:
•Unlimited exams
•Vaccines and boosters
•Diagnostics
•And More

Everything your pet needs, covered year-round!

SAVE THE DATE! March 28th from 2pm-5pm! We Are Celebrating One Year of Keeping Walnut’s Pets Healthy! Help us celebrate ...
03/05/2026

SAVE THE DATE! March 28th from 2pm-5pm! We Are Celebrating One Year of Keeping Walnut’s Pets Healthy! Help us celebrate a year of compassionate care, happy tails, and healthy pets! Bring your family (two- and four-legged!) for a fun-filled day at the hospital.

Event Highlights:
📸 Complimentary Professional Pet Portraits
🍪 Snacks & Refreshments
🏥 Hospital Tours
🎁 Raffles & Giveaways
🐾 Meet the Team
Plus! Learn about our pet wellness programs

Whether you’re a longtime client or new to our community, we’d love to celebrate with you!

Wishing all of you a Happy Healthy and Productive New Year!Thankful for all that 2025 gave us!•••
01/01/2026

Wishing all of you a Happy Healthy and Productive New Year!

Thankful for all that 2025 gave us!
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Wishing a very Merry Pawlidays to all!However you and your loved ones celebrate this season, you can count on us to be h...
12/25/2025

Wishing a very Merry Pawlidays to all!

However you and your loved ones celebrate this season, you can count on us to be here for you and your best furever friend!
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Happy Holidays from all of us at Animal Hospital of Walnut!Holiday Hours •Wednesday, December 24th ~Open 8am-1pm      •T...
12/24/2025

Happy Holidays from all of us at Animal Hospital of Walnut!
Holiday Hours
•Wednesday, December 24th ~Open 8am-1pm
•Thursday, December 25th ~Closed
•Wednesday, December 31st ~Closed
•Thursday, January 1st ~Closed
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🌼💀 Honoring Our Beloved Pets This Día de los Mu***os 💀🌼Today, we celebrate Día de los Mu***os, a beautiful tradition tha...
10/27/2025

🌼💀 Honoring Our Beloved Pets This Día de los Mu***os 💀🌼

Today, we celebrate Día de los Mu***os, a beautiful tradition that reminds us love never truly leaves—it lives on in our hearts and memories.

At [Your Hospital Name], we take a moment to remember all the furry, feathered, and scaly souls who have crossed the Rainbow Bridge. 🕯️🐾

Each paw print, purr, and wag left a mark that time can’t erase. 💛

We invite you to share a photo or memory of a pet you’re remembering today in the comments below. Together, we celebrate their lives, their love, and the joy they brought to our world. 🌈✨

***os

We're excited to announce that booking your pet's appointment is now easier than ever at Animal Hospital of Walnut! No m...
10/17/2025

We're excited to announce that booking your pet's appointment is now easier than ever at Animal Hospital of Walnut! No more waiting on the phone—our new online booking system is quick, convenient, and available 24/7! Book Now Here: https://www.animalhospitalofwalnut.com/book/

Enter our Annual Pet Halloween Costume Contest!From October 1–31, we’re hosting our annual Halloween Costume Contest!Sub...
10/07/2025

Enter our Annual Pet Halloween Costume Contest!
From October 1–31, we’re hosting our annual Halloween Costume Contest!

Submit your pet’s costume photo in one of these ways:
Email: [email protected]
Instagram: Tag us or send a direct message
In person at the hospital

Winner will receive a Royal Canin DNA test *must be a current client and able to redeem in person.

As a special bonus, bring your pet in costume for their exam during October and receive $10 off the exam fee!

The winner will be announced on November 3rd on Instagram—don’t miss your chance to join the fun!

Treat your pet to a midweek refresh! Baths (no haircuts) are available every Wednesday at Animal Hospital of Walnut. Mak...
06/10/2025

Treat your pet to a midweek refresh! Baths (no haircuts) are available every Wednesday at Animal Hospital of Walnut. Make an appointment today!

Address

22039 Valley Boulevard Suite G
Walnut, CA
91789

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm
Saturday 8am - 6pm

Telephone

+19095941737

Website

https://animalhospitalofwalnut.bluerabbitrx.com/

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