Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
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Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN

Amanda Wikan

Nutritionist/Dietitian, MS, RDN

Verified by HealthProfs.com Verified by HealthProfs.com
Petaluma, CA 94954
Call Me
Available both in-person and online
Petaluma, CA 94954
Let's Connect (707) 868-5718
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
I specialize in Irritable Bowel Syndrome and complex gut issues that haven't responded to standard approaches. I work with people who are still struggling after trying low-FODMAP or elimination diets and who want to understand why their body isn't responding to move beyond restrictive diets and feel better. As a Registered Dietitian with a Master's in Nutrition & Functional Medicine, I look beyond food choices to assess digestion, nutrient status, and the microbiome. This is how we find the root cause and build a plan for healing.
My clients typically come to me with some combination of bloating, cramping, urgency, constipation, or diarrhea that hasn't resolved despite consistent effort, and confusion or fear around food after years of conflicting advice. Often, they've seen gastroenterologists and multiple providers without getting a clear answer.
Clients tell me the biggest relief isn't just feeling better physically — it's finally understanding what's been going on and having a real path forward. I offer a free 20-minute call to see if we're a good fit and verify insurance coverage.
Call or Amanda Wikan now for a free 15 minute consultation - (707) 868-5718

My Practice at a Glance

Available both in-person and online

Petaluma, CA 94954

(707) 868-5718

Los Angeles, CA 90049

My website
I offer services virtually via a HIPAA-compliant platform with a telehealth video portal. My hours are Monday-Friday 8 am-4 pm.
I specialize in Irritable Bowel Syndrome (IBS), Gastrointestinal (GI) and Food Sensitivity 
I accept insurance 
Let's Connect (707) 868-5718
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN

My Practice at a Glance

Available both in-person and online

Petaluma, CA 94954

(707) 868-5718

Los Angeles, CA 90049

My website
I offer services virtually via a HIPAA-compliant platform with a telehealth video portal. My hours are Monday-Friday 8 am-4 pm.
I specialize in Irritable Bowel Syndrome (IBS), Gastrointestinal (GI) and Food Sensitivity 
I accept insurance 

Finances

Payment Methods

ACH Bank transfer, American Express, Discover, Health Savings Account, Mastercard, Visa

Insurance

  • Aetna
  • Out of Network
"
I am in network with Aetna. For other insurance plans, I can provide a Superbill that you can submit to your insurance for reimbursement of session costs. Please note that reimbursement amounts vary depending on your individual insurance plan. Please contact your insurance for details.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call or for a free 15 minute consultation now - (707) 868-5718
"
I am in network with Aetna. For other insurance plans, I can provide a Superbill that you can submit to your insurance for reimbursement of session costs. Please note that reimbursement amounts vary depending on your individual insurance plan. Please contact your insurance for details.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call or for a free 15 minute consultation now - (707) 868-5718

Qualifications

  • Verified by HealthProfs.com Certificate from CDR Amanda Wikan
  • Education and Years In Practice

  • In Practice for 15 years
  • Eastern Michigan University, Bachelor of Science in Human Nutrition & Dietetics, Graduated 2011
  • Additional Credentials

  • Board Certification by Certified Healthy Gut Practitioner
  • Degree/Diploma from University of Western States Master of Science in Nutrition & Functional Medicine / 2016
"
I have a Master's Degree in Nutrition and Functional Medicine in addition to being a Registered and Licensed Dietitan. This expertise allows me to help identify the root cause of your health issues so you can break through the barriers keeping you stuck.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call or for a free 15 minute consultation now - (707) 868-5718
"
I have a Master's Degree in Nutrition and Functional Medicine in addition to being a Registered and Licensed Dietitan. This expertise allows me to help identify the root cause of your health issues so you can break through the barriers keeping you stuck.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call or for a free 15 minute consultation now - (707) 868-5718

Specialties and Expertise

Top Specialties

  • Irritable Bowel Syndrome (IBS)
  • Gastrointestinal (GI)
  • Food Sensitivity
  • Diet and Nutrition
  • Weight Loss/Weight Management

Expertise

  • Celiac Disease
  • Chronic Fatigue
  • Depression
  • Food Allergy
  • Gluten Free
  • Headaches / Migraines
  • Plant Based Diets
  • Polycystic Ovarian Syndrome (PCOS)
  • Skin Problems
  • Wellness Counseling
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Do these issues align with your needs? or (707) 868-5718
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Do these issues align with your needs? or (707) 868-5718

Client Focus

Age

Elders (65+)
Adults
Adolescents / Teenagers (14 to 19)
Preteens / Tweens (11 to 13)
Children (6 to 10)
Toddlers / Preschoolers (0 to 5)

Age

Elders (65+)
Adults
Adolescents / Teenagers (14 to 19)
Preteens / Tweens (11 to 13)
Children (6 to 10)
Toddlers / Preschoolers (0 to 5)

Treatment Approach

Style/Type

  • Clinical Dietitian
  • Functional Medicine Nutritionist
  • Holistic Nutritionist
  • Integrative Nutritionist
  • Metabolic Testing
  • Registered Dietitian
  • Registered Nutritionist

Treatment Techniques

  • Certified LEAP Therapist
  • Detox diet
  • Nutrition Counseling
  • Nutrition Therapy
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Ask about what different forms of treatment will be like. or (707) 868-5718
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Ask about what different forms of treatment will be like. or (707) 868-5718

Location

Primary Location

Petaluma, CA 94954

(707) 868-5718

Additional Location

Los Angeles, CA 90049

(707) 868-5718
"
I offer services virtually via a HIPAA-compliant platform with a telehealth video portal. My hours are Monday-Friday 8 am-4 pm.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call for a free consultation now - (707) 868-5718
"
I offer services virtually via a HIPAA-compliant platform with a telehealth video portal. My hours are Monday-Friday 8 am-4 pm.
Photo of Amanda Wikan, Nutritionist/Dietitian, MS, RDN
Amanda Wikan
Nutritionist/Dietitian, MS, RDN
Call for a free consultation now - (707) 868-5718