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About Dr. Brennan

Dr. Brennan offers a blend of Regenerative Medicine, Functional Medicine / Wellness and Primary Care for children and women.

Her areas of expertise include pediatric care, hormone balancing, preconception care, fertility, postpartum care, lactation consulting, digestion, aesthetics, and environmental medicine.

Dr. Brennan brings comprehensive and compassionate care to her work, combining traditional and holistic approaches to enhance the well-being of her patients. With a passion for supporting families and a focus on pediatrics and women's health, she provides a unique blend of expertise, having completed a rotation at Seattle Children's Hospital in orthopedics, midwife classes in neonatology and lactation, and ADHD research.

Dr. Brennan's Areas of Expertise

Hormone Balancing

Hormone Balancing

Fatigue, Thyroid Conditions, Blood Sugar Imbalances, Menopause, Perimenopause, Menstrual Issues, Andropause, PMS, Fibroids, Adrenal Fatigue, PCOS, Endometriosis, Grave’s Disease, Hashimoto’s Disease, Weight Gain, Insomnia, Depression, Anxiety

Fertility

Fertility

Preconception Care, Female Infertility, Male Infertility, Recurrent Miscarriage, Support Prior To Fertility Treatments Like IVF and IUI, PCOS, Endometriosis

Digestion

Digestion

Food Allergies/Intolerances, Constipation, Diarrhea, Gas, Bloating, Heartburn, IBD, IBS, Abdominal Pain, SIBO, LIBO, Ulcers, Gastritis, Celiac Disease, Gut Microbiome, Dysbiosis

Weight Loss

Weight Loss

Sustainable, safe approach to weight loss and improved body composition

Dermatology

Dermatology

Eczema, Psoriasis, Acne, Hives, Shingles, Rosacea, Athlete’s Foot, Skin Infections, Abscesses, Cold Sores, Herpes, Fine Lines and Wrinkles, Skin Quality

Mental Health

Mental Health

ADHD, Postpartum Depression, Depression, Anxiety, Panic attacks, Insomnia, Stress, Life Transitions, Tantrums

Services

Primary Care

Providing comprehensive, holistic, integrative healthcare for prevention, diagnosis, and treatment of a wide array of health concerns.

Pediatrics

Comprehensive, holistic, integrative care for newborns, children and adolescents.

Women's Health

Comprehensive, holistic, integrative care for women of all ages.

Functional Medicine / Wellness

Guiding you in achieving true health by optimizing your energy, sleep, digestion, stress levels, movement, mood, and memory.

Regenerative Medicine

Restoring vitality through regenerative and anti-aging treatments that regrow cells and repair tissue function.

Therapies

Dr. Brennan’s therapies have a strong emphasis on hormone balancing to normalize the endocrine and reproductive systems and to improve overall well-being and achieve optimal health.

Bioidentical Hormones

Hormone Pellets

PRP

I.V. Therapy

Nutrient Injections

Diet & Lifestyle

Herbs & Nutriceuticals

Prescription Medication

Natural Aesthetics

What Dr. Brennan's Patients Say

“Dr. Brennan could not possibly be any more kind and attentive than she already is. My only regret is not finding this unequivocal treasure to be my daughter’s doctor sooner!”

Anonymous Verified Patient

“Dr. Brennan has been great with my family for years. Especially with my daughter who has recently had
medical issues and Dr. Brennan was immediate to try and figure out the source and best course of action. She is so caring and amazing with kids!”

Anonymous Verified Patient

“Dr. Lisa is hands down the most personable, caring, and truly knowledgeable doctor around. I trust her completely!”

Anonymous Verified Patient

“We absolutely love Dr. Brennan. She is one of the most caring, patient, knowledgeable doctors we’ve ever met. My daughter has anxiety issues and with help from Dr. Brennan, she actually feels calm during her visits. Thank you so much Dr. Brennan.”

Anonymous Verified Patient

“Dr. Brennan embodies a holistic approach to health, and makes sure all concerns are addressed. She is patient, and I never feel rushed. I am heard by this provider, and know that she genuinely cares about my child and her wellness, as well as mine!”

Anonymous Verified Patient

“Dr. Brennan is truly a gem, she’s wonderful with kids, personable, and is extremely knowledgeable in her field. I appreciate that she doesn’t push me into anything that I don’t believe in, instead I like that she provides me with information I need to make my own choices for my child.”

Anonymous Verified Patient
Is Dr. Brennan the right fit for you?
Schedule a FREE 10-Minute Phone Consult with her.
Call 406-219-3631
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Did you Know?

Dr. Brennan had a water birth for both of her children!