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.

12/24/2025

"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
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.





At Lindgren Functional Medicine, we know the holidays are fun… until your gut microbiome starts throwing shade. All the ...
12/19/2025

At Lindgren Functional Medicine, we know the holidays are fun… until your gut microbiome starts throwing shade.

All the sugar, heavy meals, cocktails, late nights, and stress?
Yeah, your gut feels every single one of those choices.

Think of your microbiome like a finely tuned ecosystem. During the holidays, it’s basically dealing with a surprise winter storm still standing, but definitely side-eyeing your decisions.

The fix? Balance, not restriction. Enjoy the cookies. Have the treat. Just give your gut a little backup.

Microbiome power moves:
Add plants
Hydrate
Sleep (when you can)
Move a little
Stress less(ish)

A supported microbiome = better digestion, stronger immunity, steadier mood, clearer thinking, and more energy to actually enjoy the season.

Celebrate big. Support your gut. Feel better doing it.

12/18/2025

"The FDA Didn’t Expect This Memo to Leak | The Dysfunction Files Ep. 37"

An internal FDA memo reportedly raised concerns about possible COVID-vaccine-related pediatric deaths - and instead of transparency, the public got silence.

No names.
No data.
No autopsies.

Just an agency investigating itself… while refusing to show its work.

This episode does not jump to conclusions.
It documents what’s been reported, what’s missing, and why the lack of transparency matters - especially when public trust is already on life support.

This is not a solved case.
It’s a story unfolding in real time.

🎥 Episode 37 of The Dysfunction Files is now live.










Winter doesn’t have to drain you. Shorter days, cold air, and holiday chaos can spike stress but your body has tools to ...
12/17/2025

Winter doesn’t have to drain you.
Shorter days, cold air, and holiday chaos can spike stress but your body has tools to fight back.
At Lindgren Functional Medicine, we combine holistic strategies + CBD to calm the mind, balance the nervous system, and restore your energy.
Own your winter. Thrive, don’t just survive.

12/17/2025

"Two Universes. One FDA Memo."

When an internal FDA memo raises serious questions…
the response shouldn’t depend on which media universe you live in.

In one world:
“It’s probably nothing. Maybe.”

In the other:
“Why won’t anyone show the data?”

Same memo.
Same agency.
Very different reactions.

The truth usually isn’t loud - it’s buried somewhere in between.

Full episode tomorrow!










12/16/2025

"The Rulebook That Doesn’t Apply to Anyone Else"

If this were any other product, it would’ve been pulled immediately.
But vaccines?
Different rulebook.
Different universe.
Different incentives.
This week's episode explains why.









Gut health is the foundation of overall well-being, influencing digestion, immunity, and even mental clarity. A balanced...
12/15/2025

Gut health is the foundation of overall well-being, influencing digestion, immunity, and even mental clarity. A balanced gut microbiome, a diverse community of beneficial bacteria, helps break down food efficiently, supports nutrient absorption, and protects against harmful pathogens. When this balance is disrupted, it can lead to issues such as bloating, fatigue, and weakened immune response.

Learn more about food choices and gut health here: https://lindgren.health/foods-to-restore-gut-health/

12/15/2025

“A Memo, No Data, and a Whole Lot of Silence”

A leaked FDA memo mentions possible pediatric deaths… but the evidence behind it is missing.
No names.
No timelines.
No autopsies.
When critical details disappear, the questions get louder.








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

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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.