Welcome to Rancho Park Veterinary Clinic


Make Rancho Park Veterinary Clinic Your Vet of Choice

Serving West Los Angeles, Rancho Park, Beverly Hills,

Cheviot Hills, Westwood for over 25 Years

Call Us Today at


Click here to view our Virtual Office Tour!


Los Angeles veterinarians, Dr. Jeffrey Marks , Dr. Lara Nicolayevsky (Dr. Nic), Dr. Joanna Choi and Dr. Meghan deBlanc-Knowles ("Dr. Knowles") at Rancho Park Veterinary Clinic are some of the best veterinarians in the Los Angeles area and are committed to your pet's health and well being. Rancho Park Veterinary Clinic excels in pet care and the science of veterinary medicine.

Dr. Jeffry Marks and the staff at Rancho Park Veterinary Clinic have provided Los Angeles patients compassionate quality veterinary care and pet services since 1986, making us the animal clinic of choice for pet owners in and around the Los Angeles community. We know you'll find our staff welcoming and knowledgeable. Rancho Park is a neighborhood hospital, a place you can go for consistency of care. Read our petsimonials to meet some of our beloved animal friends.

Rancho Park Veterinary Clinic is a full service animal hospital offering the Los Angeles community daytime emergency vet care as well as medical, surgical, and dental services. We are proud to offer state-of-the-art services, including in-house lab equipment, ultrasound, and digital radiography. We will listen to your pet’s heart and take a small stool and urine sample to check organ functions. Those who wish to have their pet receive any core or non-core vaccinations may want to schedule them during a wellness examination for convenience. We also have an in-house pharmacy with access to specialists, making our veterinary facility a one stop shop for your pet's health and medical needs. Click here to view our Virtual Office Tour!

Our West Los Angeles veterinarian office is very easy to get to, and you can find directions on our Contact Us page.  You can also view The Rex and Winston Blog which is created especially for our clients. 

At Rancho Park Veterinary Clinic, your pets are our family!

Dr. Jeffrey Marks
Los Angeles Veterinarian | Rancho Park Veterinary Clinic

10585 West Pico Boulevard
Los Angeles, CA 90064


Hospital Hours:

Monday, Tuesday, Wednesday and Friday 7:30am-5:00pm
Thursday 7:30am-6:00pm
Saturday 9:00am-4:00pm

Meet Our Skilled Team

Learn Who We Are

  • Dr.

    Dr. Jeffrey Marks is the managing director of the Rancho Park Veterinary Clinic. His special interests include orthopedic and soft tissue surgery, diseases of the ears and dermatology. He is a second generation veterinarian and has worked in a veterinary hospital since 1967 when he was just a 12 year old helping his father Dr. Alan Marks. Dr. Marks was born in Detroit, Mi. but considers Los Angeles his home. He feels that clients who bring their pet to Rancho Park Veterinary Clinic are not just clients but rather they are like part of the family.

  • Dr.
    Nicolayevsky ("Dr. Nic")

    Dr. Lara Nicolayevsky ('Dr. Nic') is a graduate of UC Davis Veterinary School and has been an associate at Rancho Park Veterinary Clinic since 2003. Prior to becoming a Veterinarian, Dr.Nic was a teacher and believes strongly in educating and empowering her clients. She enjoys speaking about Veterinary Medicine at elementary schools and various events. Dr. Nic is happily married, has young twins and a labradoodle named Hibbert. She enjoys hiking, traveling and baking.

  • Dr.

    Dr. Joanna Choi hails all the way from Manhasset, NY, a small town on Long Island, close to New York City. She attended Wellesley College, where she received a Bachelor of Arts in Neuroscience. Before veterinary school, she performed Parkinson's disease research, worked with a local small animal veterinarian, and worked at the New York Aquarium. Dr. Choi received her veterinary degree from Cornell University College of Veterinary Medicine in 2017.

    Her interests include surgery, dentistry, diagnostic imaging, preventative medicine, and exotics. Dr. Choi enjoys spending time with her energetic Jack Russell Terrier named Maya, traveling, baking, outdoor activities, and discovering the beautiful state of California.

  • Dr.
    deBlanc-Knowles ("Dr. Knowles")

    Dr. Meghan deBlanc-Knowles (“Dr. Knowles”) graduated from Massey University Veterinary School in New Zealand after obtaining her undergraduate degree from Washington University in St. Louis, majoring in Fine Art and Writing.

    Her special interests in the veterinary sphere include internal medicine, clinical pathology, surgery, and animal behavior. She is passionate about client education and communication, and is a fervent advocate of the human-animal bond.

    When she is not at the clinic, Dr. Knowles enjoys traveling, cooking, hiking, trivia, and going to the movies.


Read What Our Clients Say

Testimonial Coming Soon...

Featured Articles

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Office Hours

Our Regular Schedule


7:30 am

5:00 pm


7:30 am

5:00 pm


7:30 am

5:00 pm


7:30 am

5:00 pm


7:30 am

5:00 pm


9:00 am

4:00 pm