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Photo of Doctor Colleen Phillips, Ph.D.

Dr. Colleen Phillips, Ph.D.

Diet Nutritionist

Contact Dr. Phillips

Let us help you Look the way you want to look,

and Feel the way you want to feel!


Colleen Phillips, Ph.D. has been in private practice as a nutritionist in the Los Angeles San Fernando Valley since 1984. Dr. Phillips is the Founder and Owner of Diet Doctors Medical Mgmt., Inc..


For 39 years, Dr. Phillips has been dedicating her work and her life to helping people achieve their nutritional and weight loss goals.


Colleen will, upon request, design each patient's diet plan, which allows you to include some of your favorite foods in your personalized plan. Medical supervision is provided at all times by Board Certified physicians who own the medical practice.

Los Angeles Daily News Award logo for winning Best Nutritionist and Best Medical Weight Loss Center.

Colleen is also a lecturer and author, and was voted

BEST OF LA: Best Weight Loss Center

2004, 2008, 2009, 2010, 2011, 2012,

2013, 2014, 2015, 2016, 2017, 2018,

2019, 2020, 2021, 2022, 2023

BEST OF LA: Best Nutritionist

2007, 2008, 2009, 2010, 2011, 2012,

2013, 2014, 2015, 2016, 2017, 2018,

2019, 2020, 2021, 2022, 2023

Colleen Phillips' Business Portrait was published in the

Daily News: 2009 Who's Who in Business


In 2013, Colleen Phillips, Ph.D. and Diet Doctors Medical Center

were honored with the City of Los Angeles, Certificate of Recognition

presented by Bob Blumenfield Councilmember 3rd District


In 2018, Diet Doctors Medical Center won the

2018 Spectrum Award for Excellence in Customer Service

To learn more about our

Diet Program

please call us at 818-346-9600


or visit for details.

Colleen Phillips, Ph.D. + Diet Doctors Medical Center honored with City of LA Certificate of Recognition.






Walk-ins welcome

Se habla espanol

Photo of Diet Doctors Medical Center building with signs showing phone number and website address.

At our Canoga Park location since 1984


Meet The Team

Logo Spectrum Award for Diet Doctors Medical.
Yelp logo letting people know that our Yelp reviewers love us.
Facebook logo.
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