Our providers

Meet the Team

Our Folsom team brings decades of experience in naturopathic, regenerative, and integrative medicine. Each provider takes the time to understand your goals and build a plan that is truly yours.

Dr. Matthew Solbrig, ND

Dr. Matthew Solbrig, ND

Licensed Naturopathic Doctor | Hormone Optimization, TRT & BHRT

Dr. Solbrig is a California-licensed naturopathic doctor focused on hormone optimization, TRT and BHRT. He earned his doctorate at Bastyr University and completed his residency at Sophia Health Institute under Dr. Dietrich Klinghardt, then stayed on in a senior clinical role — building advanced skills in injection therapies, heavy-metal detoxification, neural therapy and Autonomic Response Testing. He is accepting new hormone patients.

Areas of focus
  • TRT
  • BHRT
  • Hormone optimization
  • Thyroid optimization
  • Menopause & perimenopause
  • Fatigue & metabolic health
  • Complex & chronic illness
  • Pre- and post-surgery recovery
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Dr. Jeff Hanson, ND

Dr. Jeff Hanson, ND

Regenerative Medicine & Injection Therapy Specialist · 15+ Years of Experience

Dr. Hanson is a California licensed naturopathic medical doctor. He received his doctorate in 2007 from NCNM in Portland, Oregon, and completed a two-year residency in Orlando, Florida. He spent seven years alongside Dr. Frank Shallenberger at The Nevada Center, mastering prolozone therapy for chronic joint pain and acute injuries.

Areas of focus
  • Regenerative medicine
  • PRP
  • Prolozone
  • Prolotherapy
  • Knee pain
  • Shoulder pain
  • Hip pain
  • Arthritis
  • Sports injuries
  • Musculoskeletal conditions
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Maryann Simpson, NP

Maryann Simpson, NP

Bioidentical Hormone & Thyroid Specialist | 30+ Years of Hormone Therapy Experience

Maryann became a Registered Nurse in 1986 and earned her Advanced Practice Nurse Practitioner degree in 1994, then spent approximately 20 years caring for patients at UC Davis — where she became the first provider to regularly implement bioidentical hormone replacement therapy. More than 30 years on, personalized hormone and thyroid care remain the center of her practice.

Areas of focus
  • Bioidentical hormone replacement therapy (BHRT)
  • Women’s hormone health, menopause & perimenopause
  • TRT & hormone optimization
  • Thyroid management & Hashimoto’s thyroiditis
  • Long-term hormone management
  • Nutrition & lifestyle
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Ready when you are

Start your path to natural healing

Book a visit with our Folsom naturopathic team and experience whole-person, root-cause care.