Jacksonville Beach, Florida  •  Opening January 2027

Root-cause medicine for
those who want to flourish

Functional medicine, hormone optimization, and longevity care rooted in faith, science, and a deep commitment to your whole health.

Join the Waitlist How It Works

Where faith, science, and radiance meet.

Katie Keller, PA-C

Meet Your Provider

Eight years at Mayo Clinic.
A lifetime of purpose.

Katie Keller, PA-C brings a rare combination to functional medicine: nearly a decade of clinical experience in hematology and oncology survivorship at Mayo Clinic Florida, grounded in a deep personal calling to help people thrive — not just survive.

At Light & Longevity, Katie partners with patients to uncover the root causes of hormonal imbalance, metabolic dysfunction, chronic fatigue, and post-cancer health challenges — and builds a personalized roadmap to lasting vitality.

Nearly 10 Years — Hematology & Oncology Survivorship, Mayo Clinic Florida
PA-C — NCCPA Certified Physician Assistant
IFM Functional Medicine Certification (Ongoing)
Certified Injector — Neuromodulators & Aesthetics
B.S. Exercise Physiology — University of Pittsburgh
NCAA Division I Soccer — University of Pittsburgh
Supervising Physician: Cassaundra Thompson, DO

Our Philosophy

Medicine that honors the whole person

We believe healthcare should ask why — not just what. Every symptom has a story. Our role is to listen deeply, look comprehensively, and partner with you to build health that lasts for decades, not just days.

Root-Cause

We investigate the why behind your symptoms, not just mask them. True healing begins with understanding.

Longevity

We think in decades. Our protocols are designed for sustainable vitality — energy, clarity, and confidence at every stage.

Faith

This practice is rooted in purpose and stewardship — serving others with excellence and deep personal care.

Relationship

Unhurried, personalized, trust-based care. You are known here — not just a chart number.

The Process

How care works

Every new patient starts the same way — a conversation, a full picture of your biology, and a plan built around it. Pricing is plain and predictable: what you pay us for our time and expertise, and what you pay directly for outside services like lab testing.

01

Discovery Call Complimentary · 30 min

A no-cost conversation to see if Light & Longevity is the right fit for you, answer your questions, understand your goals, and map out next steps.

02

Comprehensive Labs $340/yr

Powered by Function Health

We partner with Function Health for comprehensive biomarker testing, run twice yearly. $340/year with our practitioner referral discount, paid directly to Function Health.

03

Foundational Lab Analysis $350 · one-time

Our clinical review of your first panel: interpreting your results, flagging anything outside range, and building your personalized protocol. Supplements, lifestyle, and nutrition guidance tailored to your biology.

Lab Analysis — Quick Reference

These fees cover our clinical review of each panel: interpreting your results, flagging anything outside range, and translating your data into next steps.

PanelPrice
Foundational Panel
Onboarding + first comprehensive review. One-time, not part of membership.		 $350
Additional Panel Analysis
For established patients beyond tier's included count.		 $250
Function Health

Comprehensive biomarker testing. Twice-yearly panels, paid directly to Function Health.

$365/year
$340/year
With our practitioner referral discount. Separate from analysis fees above.

Membership

Choose your tier

Every patient joins one of three core tiers — Foundation, Optimize, or Concierge Longevity. Each builds on the one before it with more access, more frequent testing, and deeper support. Two focused tiers are also available for specific needs.

Foundation
$185
per month

Our entry point into whole-person functional medicine. Ideal for those ready to understand their baseline and build from it.

Join the Waitlist

What's Included

Quarterly provider visits
2 comprehensive functional panels per year (analysis included)
10% off supplements and aesthetic services (including injectables)
Ongoing communication through our patient portal
Optimize
$375
per month

For those ready to go deeper — hormone optimization, peptide protocols, and biometric tracking alongside elevated access.

Join the Waitlist

Hormone & peptide protocols available to Florida residents only.

Priority scheduling
2 comprehensive functional panels per year (analysis included)
InBody body composition scans
Personalized hormone & peptide protocols
15% off supplements and aesthetic services (including injectables)
Concierge Longevity
$795
per month

Our most comprehensive tier. Unlimited access, quarterly targeted panels, and a full lifestyle optimization program built around you.

Join the Waitlist

Hormone & peptide protocols available to Florida residents only.

Unlimited provider visits
Same-day, priority scheduling
Direct text line to Katie
Quarterly targeted functional panels (analysis included) guided toward your established goals
Hormone & peptide protocols with ongoing optimization
As-needed InBody body composition scan & review
Personalized macro targets, adjusted monthly
Meal plan framework with swap flexibility
Structured workout progression tied to your goals
Tracker/app set-up with monthly review
15% off supplements and aesthetic services
Additional family member may join at 20% off
Focused Tier
Performance
$349
per month

Built for a specific need — no other membership required. Our fitness & nutrition-focused tier for those optimizing body composition, strength, and performance.

Join the Waitlist

What's Included

Initial fitness & nutrition intake (goals, activity level, history, injuries/limitations, biometric baseline)
Personalized macro targets, adjusted as goals or biometrics shift
Meal plan framework with grocery list
Structured workout progression tailored to your goals
Biometric tracking (InBody body composition, weight trends, relevant labs tied to your goals)
Tracker provided (worksheet for macros and workouts) with monthly review and adjustment
Monthly check-in focused specifically on fitness & nutrition progress
10% off supplements and aesthetic services (including injectables)
Focused Tier
Cancer Survivorship
$349
per month

Specialized post-treatment wellness built on Katie's 8+ years in oncology survivorship at Mayo Clinic. No other membership required.

Join the Waitlist

Everything in Foundation, plus:

Monthly provider visits to monitor recovery and long-term health
Late-effects monitoring: bone density, cardiotoxicity screening coordination, neuropathy, brain fog, and chronic fatigue
InBody composition tracking (muscle loss and weight changes are common during cancer therapy)
Continuous glucose monitoring (metabolic shifts and insulin resistance tracking after treatment)
Exercise, nutrition, and supplement guidance while monitoring for interactions with ongoing cancer therapy
Care coordination with your oncology team

Aesthetics & Supplement Discounts

Standard (non-member) rate is $15/unit for Botox. Supplement and aesthetic-service discounts scale with your membership tier.

TierDiscountBotox Example (standard $15/unit)
Foundation10% off supplements$13 / unit
Optimize15% off supplements$12 / unit
Performance15% off supplements & aesthetics$12 / unit
Cancer Survivorship10% off supplements$12 / unit
Concierge Longevity15% off supplements$11 / unit

Opening January 2027

Be among the first to
experience Light & Longevity

Join our waitlist and receive early access to Light & Longevity when we open.

You're on the list.

Thank you for your interest in Light & Longevity. We'll be in touch with early access details before we open.

Your information is private and will never be shared. Unsubscribe anytime.

Find Us

Jacksonville Beach, Florida

Address

438-A Osceola Ave
Jacksonville Beach, FL 32250

Contact

katiekeller@lightandlongevitywellness.com
Telehealth available across Florida

Supervising Physician

Cassaundra Thompson, DO