Doctors & Staff

Our team at Sierra Ranch Veterinary Clinic & Pet Rehabilitation Center maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.


Rebecca Williams, DVM, Medical Director

Dr. Williams completed her undergraduate studies at Cal Poly San Luis Obispo with a BS in Animal Science. She was accepted into and completed her veterinary medical degree from Western University of Health Sciences School of Veterinary Medicine. Dr. Williams immediately began to practice veterinary medicine at an emergency hospital in the Bay Area where she gained a vast amount of experience of veterinary emergency medicine. When job opportunities became available, she transitioned to Placer County working general practice and emergency. Her professional interest includes emergency, internal medicine and ophthalmology. Outside of veterinary medicine Dr. Williams is kept busy raising her two sons with her high school sweetheart. She enjoys skiing, running, yoga, and spending time with her Australian Shepherd, Comet.

Practice Manager:

Carey Hookins

Carey Hookins has worked in the Veterinary industry since 1995. She graduated Western Career College Technician Program in 1996. After college she spent 7 years working as a veterinary technician,  8 years in accounting and the last 8 years as a Hospital Manager.

Carey is passionate when it comes to leadership and coaching. She loves her job and can’t imagine doing anything else. She prides herself on her strong communication skills with clients and staff.

She joined Sierra Ranch Veterinary Clinic and Rehabilitation Center February 2022. In her spare time she enjoys spending time with her husband and kids, camping, and enjoying the outdoors. Her animal family consists of two dogs; a Bernese Mountain Dog named “Waylon Jennings” and an English Bulldog named “Bulldog”.

Customer Service Representatives:

  • Amanda
  • Molly

Patient Liaison:

  • Larissa

 Technical Team:

  • Lead Technician: Sarah R., RVT
  • Sarah T., RVT
  • Jamie B., RVT
  • Kendalynn

Kennel Assistants:

  • Tawny
  • Ashley
  • Gina 
  • Jessica

Rehabilitation Team:

Masami Seplow, DVM, CVA, CCRP

Masami Seplow was born and raised in Japan and received her bachelor's degree in sociology in Japan, then moved to Miami FL to obtain her Masters degree in Hospitality Management, but decided to be a veterinarian before receiving her degree. She received her degree as a Doctor of Veterinary Medicine at College of Veterinary Medicine, University of Florida (Go Gators!).

After working as a general practitioner at a 24 hour hospital, Masami Seplow decided to be certified in acupuncture and Chinese medicine, and has been practicing for longer than 15 years. She received another certification in canine rehabilitation in 2015. She is particularly interested in geriatric medicine and food therapy, in addition to rehab and Chinese medicine, because all of these modalities are positive and gentle.

She has two rescued Chihuahuas, Ellie and Lucas (and occasional fosters). She also loves cooking and playing music (she used to join the amateur orchestra as a violist).

Rehab Technician Team:

  • Lead Rehab Technician:  Dayna, RVT
  • Madison
  • Coley

 Chief Editing Officer

  • John W.

We provide the highest quality veterinary treatment and specialty care for your pets. You can be confident knowing your pet is in good hands because of our advanced training, expertise and cutting-edge technology. In addition to superior patient care our facility is home to the largest pet rehabilitation center in Placer County!

Our veterinary clinic prides itself on delivering state-of-the-art services, while providing compassionate care for all the animals we work with. You and your pet will receive the attention you deserve with our unique, collaborative care approach including many complementary options such as  behavior evaluations, laser therapy and physical rehabilitation. We also offer supportive veterinary services on site, including our in-house pharmacy - delivering the ultimate in care and convenience.

Our dedicated staff works efficiently as a team and has been together since our opening. We are able to approach our veterinary care with both knowledge and compassion to deliver the gold-standard of medicine.

Mission Statement
Dedicated to providing excellent and compassionate care.

As a team we share the the following Core Values :

  1. Integrity
  2. Compassion
  3. Respect
  4. Team Work
  5. Accountability

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule

Hours of Operation


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-7:00 pm


8:00 am-2:00 pm