PREMIER ADVANCED AESTHETICS & WELLNESS MEDSPA IN PETALUMA, CA, 94952 | LUMAPHI AESTHETICS & WELLNESS

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PREMIER ADVANCED AESTHETICS & WELLNESS MEDSPA IN PETALUMA, CA, 94952 | LUMAPHI AESTHETICS & WELLNESS

〰️

PREMIER ADVANCED AESTHETICS & WELLNESS MEDSPA IN PETALUMA, CA, 94952 | LUMAPHI AESTHETICS & WELLNESS 〰️ PREMIER ADVANCED AESTHETICS & WELLNESS MEDSPA IN PETALUMA, CA, 94952 | LUMAPHI AESTHETICS & WELLNESS 〰️

Beauty. Balance. Biology.

The North Bay’s destination for aesthetic precision—where artistry and biology exist in perfect balance.

FIND YOUR TREATMENT

Results that look untouched—by design.

—Guided by natural proportion.

At LumaPhi, aesthetic medicine is guided by natural proportion. The golden ratio—Phi—directs every injection and treatment with precision, creating balanced and refined outcomes. Thoughtfully integrated wellness therapies support the body’s underlying systems, enhance recovery, and preserve results—cultivating lasting confidence and overall well-being.

Phi - The Golden Ratio - a natural principle of proportion found throughout art, nature, and design.

Top Tier Medspa in Petaluma, CA, 94952

FOUNDER & ADVANCED AESTHETIC NURSE PRACTIONER

Bethany Lewis, FNP-C

Bethany Summer Lewis, BSN, MSN, FNP-C is the Founder and Advanced Aesthetic Nurse Practitioner of LumaPhi Aesthetics & Wellness, where she blends advanced aesthetic medicine with an integrative, whole-person approach to helping patients look and feel their best.

With a longstanding background in aesthetic medicine and a nursing career rooted in surgical excellence—including extensive work in general surgery and plastic surgery—Bethany brings a depth of clinical experience that informs her precise, anatomy-driven approach.

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THE LUMAPHI STANDARD

To align outward beauty with internal balance through precision, artistry, and science.

OUR FUTURE

To set a new standard for medical aesthetics and integrative care in Sonoma, Napa, & Marin Counties—uniting evidence-based medicine, thoughtful design, and natural principles to support confidence and whole-person health.

What We Offer

From advanced injectables that restore volume to skin treatments that awaken cellular repair, our portfolio is curated for efficacy and safety.

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Feel seen, supported, and celebrated.

Join us on a journey of beauty that goes deeper than skin.

BOOK YOUR CONSULTATION TODAY

  • What Our Clients Have To Say

    I highly recommend LumaPhi Aesthetics and Wellness, you will leave feeling fabulous, confident and radiate your inner beauty!

    Amy B.

  • What Our Clients Have To Say

    Bethany is the best! Professional and precise, and her space is absolutely beautiful.

    Nicole M.

  • What Our Clients Have To Say

    LumaPhi is truly special. Bethany’s approach is thoughtful and never overdone, and you feel genuinely cared for.

    Sarah P.