Offices in Longmont and Frederick
Same-Day Pediatric Care. No Copays. Unlimited Access.
Trusted by families in Longmont & Frederick — meet your pediatrician today.
Experience the Nextera Difference
With Nextera Healthcare/ Membership based:✅ Same-Day & Next-Day Appointments – No waiting when your child is sick
✅ 24/7 Pediatrician Access – Call or text your doctor anytime
✅ No Copays or Hidden Fees – One simple, affordable membership
✅ Longer, Personalized Appointments – More time focused on your child’s health
✅Avoid Urgent Care & ER – Direct access reduces unnecessary ER visits
Without Nextera/ traditional insurance:❌ Long Wait Times – Hard to get same-day appointments when your child needs care
❌ Limited Access – Only available during office hours, no direct communication
❌ Expensive & Unpredictable Costs – Copays, surprise bills, and insurance headaches
❌ Rushed Visits – Less time with the doctor, leading to missed concerns
❌ More Urgent Care & ER Visits – No direct access means more unnecessary trips
Meet Dr. Kammerer on us!
We know choosing the right pediatrician is one of the most important decisions you’ll make for your child. That’s why we invite you to schedule a complimentary meet-and-greet with Dr. Kristen Kammerer.Ask questions, get to know her approach, and see why so many families trust Nextera for their pediatric care.
Pediatrician
Meet Kristen Kammerer, DO, FAAP
Dr. Kristen Kammerer is a compassionate and experienced pediatrician—and a mom of two—who believes strong doctor-family relationships are the heart of great care. An Air Force veteran, she trained at Walter Reed and Bethesda Naval Medical Center and has cared for children across the U.S., Japan, and Alaska.Now serving families in Longmont and Dacono at Nextera Healthcare, Dr. Kammerer provides personalized care for newborns, children, teens, and young adults with a focus on accessibility, trust, and expert guidance.
Location
Longmont
Families in Longmont deserve a trusted pediatrician who’s always accessible. Whether it’s your baby’s first fever, a school-aged child with a stomach bug, or a teenager needing a sports physical, our Longmont clinic provides same-day access, no copays, and longer appointments so your child gets the care they need—when they need it.205 S. Main Street
Suite A
Longmont, CO 80501
Location
Frederick
Families in Frederick now have a better choice for pediatric care—no waiting rooms, no insurance hassles, just direct access to a pediatrician who truly knows your child. Whether it’s a newborn’s wellness check, a preschooler’s ear infection, or a teenager’s sports injury, we’re here to answer all your questions and provide same-day care.4953 St HWY 52
Suite 240
Frederick, CO 80514
Voted by our community
Voted #1 Medical Clinic in Longmont/ Boulder
We are honored to be voted the #1 Medical Clinic in the Boulder area—a testament to our exceptional pediatric care and dedication to families. At our Longmont and Frederick locations, we provide same-day access, no copays, and longer, personalized visits to ensure your child receives the highest-quality care without the hassle.
Want to know more about the benefits of Direct Primary Care?
"Dr. Kammerer is nothing but awesome. She is super thorough, caring and the most responsive doctor we have met living on 4 continents. She is great with both - children and parents and I would recommend her any time!"
- EN
"The exact type of doctor we needed. Dr. Kammerer really listened to what we were saying and truly cared about make us, as new parents, feel at ease. Also, our son loves her and never cried once. She was patient and encouraging when we were having breastfeeding trouble in the beginning. We couldn't recommend her more!!
- AT
"Dr. Kristen Kammerer is by far the best pediatric doctor (I have 5 kids) that I have ever had. She is not only thorough but have great bedside manner. I drive over 45 min just to see her."
-KF
Metus
Frederick Location - 2nd floor of the Indian Peaks Medical Building
More about Nextera HealthcareHeadquartered in Colorado, Nextera Healthcare was founded in 2009 on the hallmarks of convenience, compassion, and clinical excellence. A privately owned and operated healthcare organization and Colorado’s first direct primary care membership program, Nextera Healthcare is a founding member of the Direct Primary Care Coalition.Nextera Healthcare delivers varied health, wellness, and personalized medicine services to individuals, families, and businesses.Learn More Here
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With Nextera Healthcare, your child gets quality, personalized pediatric care—without the stress!
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