Lindgren Functional Medicine

Lindgren Functional Medicine Treating the root cause of health conditions helping our patients enjoy good health! My journey to this place was anything but linear.

It took years of working in the conventional medical system before it became clear to me that what I was practicing as a physician wasn't a solution for wellness, it was a practice of fixing numbers with pharmaceuticals. This problem needed this drug. That problem needed that drug. No physician will tell you that they dedicated their entire professional career to become a drug dealer, but that is what I felt I had become. For the vast majority of patients, bandaging the same illness with the same medication doesn't fix the problem. What patients need today - what we as people need today - is a guide to wellness. I will tell you that wellness isn't about having perfect numbers or taking all the right pharmaceuticals. Wellness is a way of life - a way of life that focuses on nutrition, hormone optimization, stress reduction, immune system support, detoxification, and neurotransmitter balance. I am confident in telling you that wellness is absolutely attainable. Together, I would love to guide you along the path that will take you from where you are now, to the place where you can be the best you can possibly be. Fellowship trained in functional medicine and certified by both the American Academy of Anti-Aging, Restorative, and Functional Medicine and the American Board of Family Medicine, I offer a holistic approach to my patients by focusing on optimization of each organ system. I specialize in treating female and male hormone imbalances, thyroid disorders, adrenal dysfunction, fatigue and pain syndromes, autoimmunity, and weight loss. I believe we can prevent and reverse many of the leading causes of chronic disease if we treat patients as one integrated system with scientifically-proven dietary changes, natural supplementation, and restoration of healthy hormone balance. Functional medicine is individualized health care. If our goal is wellness, the one size fits all paradigm simply does not work. Patients deserve customization of their heath care. This is my focus and my passion.

12/31/2025
12/31/2025

"Holiday PSA"

If you feel off…
that’s not random.





12/30/2025

"My 2026 Resolutions (Doctor Edition)"

Medically boring.
Surprisingly effective.

Schedule what matters.





Late nights, sugar overload, endless to-dos, extra coffee… your adrenals are feeling it. These tiny glands run your ener...
12/29/2025

Late nights, sugar overload, endless to-dos, extra coffee… your adrenals are feeling it. These tiny glands run your energy, mood, and stress response and when they get pushed too far, it shows.

At Lindgren Functional Medicine, we focus on restoring balance from the ground up supporting your adrenals with lifestyle tweaks, natural nutrients, and hormone-friendly strategies so your energy, mood, and resilience come back online.

This season, take care of your adrenals and actually enjoy your days without running on empty.

12/29/2025

"2025 Was… A Lot."

A quick recap of 2025.

Interesting year.

Notice the pattern.





Wishing You a Healthy, Happy Season! 🎄💛The season is full of joy, traditions, and yes… a little chaos. Between festive m...
12/25/2025

Wishing You a Healthy, Happy Season! 🎄💛
The season is full of joy, traditions, and yes… a little chaos. Between festive meals, late nights, and endless to-dos, it’s easy to let your health take a back seat.

This year, give yourself the gift of balance. Enjoy your favorite foods, move your body, rest when you can, and take a few mindful moments just for you.

Here’s to a season full of warmth, connection, and wellness from our family at Lindgren Functional Medicine to yours.

12/25/2025

"What Changed Quietly This Year - And Why It Matters"

This isn’t a loud episode.

There are no breaking news alerts.
No hot takes.
No arguments to win.

Just a quiet observation - about what changed this year, and how often the most important shifts happen without announcements.

I recorded this as a holiday reflection.
Not to convince.
Not to provoke.
Just to notice patterns that tend to get missed when everything feels noisy.

If you’re listening quietly this week, this one’s for you.

🎧 What Changed Quietly This Year - And Why It Matters

Merry Christmas. 🤍




12/24/2025

"Who Gets Uncomfortable"

Here’s a pattern worth noticing.

When something is
inexpensive,
hard to patent,
relatively safe,
and empowering to patients…

it tends to make people uncomfortable.

Not patients.

Systems.





As the holidays approach, we want to make sure you have all the information you need about our special hours so that you...
12/23/2025

As the holidays approach, we want to make sure you have all the information you need about our special hours so that you can plan your visit accordingly!

We wish you a joyful season!

Please join us in welcoming Kellie Greenwood to the LFM family! We're thrilled to have her join our team and look forwar...
12/23/2025

Please join us in welcoming Kellie Greenwood to the LFM family! We're thrilled to have her join our team and look forward to the great contributions she'll bring.

"My clinical background is in Family Practice and Urgent Care, which has given me a broad and well-rounded foundation in patient care. Through this experience, I have come to believe that lasting health is not achieved by masking symptoms, but by identifying and addressing the root cause of illness. By creating an individualized treatment plan, I believe we can reverse and prevent many chronic conditions. Overall, I strive to create a space where patients feel truly seen, heard, and understood, believing that feeling supported and empowered is foundational to healing.

My interest in Functional Medicine began during my undergraduate years, when I personally experienced the benefits of working with a Functional Medicine Practitioner. The experience profoundly shaped how I view healthcare and continues to inspire my commitment to thoughtful, individualized care that empowers patients to take an active role in their health.

I am excited and deeply grateful to be part of the team at Lindgren Functional Medicine, where I am honored to partner with patients on their journey toward optimal health."
Kellie Greenwood
MSN, APNP, FNP-C

12/22/2025

"What Changed Quietly This Year"

A lot of people think big changes come with announcements.
Press conferences.
Headlines.

They don’t.

Some of the most important shifts this year happened quietly -
while everyone was distracted.

That’s not safety.
That’s silence.





Address

3237 Voyager Drive
Green Bay, WI
54311

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 2pm

Telephone

+19207371625

Website

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Our Story

My journey to this place was anything but linear. It took years of working in the conventional medical system before it became clear to me that what I was practicing as a physician wasn't a solution for wellness, it was a practice of fixing numbers with pharmaceuticals. This problem needed this drug. That problem needed that drug. No physician will tell you that they dedicated their entire professional career to become a drug dealer, but that is what I felt I had become. For the vast majority of patients, bandaging the same illness with the same medication doesn't fix the problem. What patients need today - what we as people need today - is a guide to wellness. I will tell you that wellness isn't about having perfect numbers or taking all the right pharmaceuticals. Wellness is a way of life - a way of life that focuses on nutrition, hormone optimization, stress reduction, immune system support, detoxification, and neurotransmitter balance. I am confident in telling you that wellness is absolutely attainable. Together, I would love to guide you along the path that will take you from where you are now, to the place where you can be the best you can possibly be. Fellowship trained in functional medicine and certified by both the American Academy of Anti-Aging, Restorative, and Functional Medicine and the American Board of Family Medicine, I offer a holistic approach to my patients by focusing on optimization of each organ system. I specialize in treating female and male hormone imbalances, thyroid disorders, adrenal dysfunction, fatigue and pain syndromes, autoimmunity, osteoarthritis, neurologic disease, sleep disorders, GI dysfunction, and weight loss. I utilize the most progressive options in medicine including bioidentical hormones, peptides, and stem cell therapies. I believe we can prevent and reverse many of the leading causes of chronic disease if we treat patients as one integrated system with scientifically-proven dietary changes, natural supplementation, and restoration of healthy hormone balance. Functional medicine is individualized health care. If our goal is wellness, the one size fits all paradigm simply does not work. Patients deserve customization of their heath care. This is my focus and my passion.