Meet Our Team

Our dedicated team are committed to ensuring that your experience with Perrin MD, through booking your consultation to meeting with your Doctor, is a positive one.

Khanh Perrin, MD

Dr Perrin is a diplomat of the American Board of Internal Medicine (ABIM) and the American Board of Integrative and Holistic Medicine (ABOIM). She has also trained at UCLA Harbor Medical Center, Loma Linda Medical Center, and Huntington Hospital. She has studied at the Institute of Functional Medicine, Academy of Integrative Health & Medicine, the American College of Nutrition, Temple University School of Medicine, Scripps College, and San Diego State University.

She has a passion for helping people live high quality lives.

Haley Malouf

Metabolic Reset Coach

Haley Malouf is PerrinMD’s Metabolic Reset Coach. She holds a certification from the National Board of Health & Wellness Coaching (NBC-HWC), a standout in the health and wellness coaching industry. She also has certifications with the Institute of Integrative Nutrition and the International Sports Sciences Association (ISSA) as an Elite Trainer. Haley is a pro at keeping patients on track and helping them break through plateaus.

Tracy O’Brien

Hormone Counselor

Tracy is our hormone counselor, trained by Dr. Perrin. She is well-versed in perimenopause and menopause hormonal fluctuations and their impact on physical and emotional well-being. She supports our female patients navigate this time through education and personalized counseling about lifestyle modifications, dietary adjustments, and alternative therapies to alleviate symptoms and improve overall quality of life. She has one-on-one counseling sessions to develop personalized strategies to effectively manage symptoms and group sessions to educate and foster a sense of community among women facing similar challenges.

Vivian Ramirez

In-office Nurse

Vivian Ramirez is our in-office nurse. She is a skilled phlebotomist and knowledgeable about all of our treatment services and supplement protocols. Prior to joining PerrinMD, she was an Emergency Medical Technician with Lifeline Ambulance.

Mirna Gonzalez

Front desk receptionist

Mirna Gonzalez is our virtual front desk receptionist. She handles all of our new patients inquiries, manages our schedule, and coordinates the office communication with patients. Prior to joining, PerrinMD she was a pharmacy clerk for Monterey Park Professional Pharmacy.

“Watching each patient heal confirms my belief that an imbalance in one area of the body can cause problems in many others. Treating the root causes of my patients’ afflictions instead of just their symptoms has helped them heal quicker and avoid complications later in life.”

Khahn Perrin, MD

This is what our patients have to say


Dr. Perrin is kind, knowledgeable, and thorough. She spends time with you, answers all your questions, and is willing to work in tandem with your healthcare team to solve your health issues.  Plus, her staff is 1st rate!!

Margaret H
Google Review

I love Dr Perrin, she is very knowledgeable about so many facets of health and healing.  She has been my doctors for five years, always willing to partner with me regarding my treatment plan.  She has and extensive background in Integrative health and healing, always up to date on the latest research and treatment…

Susan R
Google Review

Dr Perrin and her supporting staff are all FABULOUS! Dr Perrin’s attention to detail & thoroughness makes you feel safe and supported. She thoroughly explains every detail on your blood work.  I’ve been seeing Dr Perrin for several years…I have vastly improved results from her care!  I highly recommend her. You will only see results if you are consistent with the care that she provides. Which means taking all the medication‘s the creams the supplements…EVERY DAY

Michelle M
Google Review
Take control of your health today

Take control of your health today


Call Our Office

Call and speak to our new patient coordinator who will help you book your appointment.


Get Tested

Once we have met with you and better understand your health issues, we conduct thorough testing.


Get the Care You Need

Get started on your journey to reclaim your health with PerrinMD by your side.