About Us

Lone Tree, CO
Our professional team is always ready to answer all of your skincare questions, analyze your condition and help decide what’s best for you in the realm of beauty.


Our vision is simple: to offer not only the most advanced non-surgical aesthetic solutions available on the market but also a customized combination of the latest advancements in anti-aging, skincare, weight loss, body contouring, and pain management today. With a focus on personalized care, we offer an array of treatments including skin-perfecting lasers, dermal fillers, Botox, tightening techniques, laser hair removal, cosmetic lasers, facial services, body sculpting, hair growth treatments and more.
The Firm Medspa Lobby


  • Owner
  • Licensed Esthetician
  • Licensed Phlebotomist
  • Empire Medical Certified in Neurotoxins and Derma Fillers
Julie King
The Firm Medspa was founded in 2020 by Julie King in order to bring cutting-edge treatments to Colorado that typically launch first in major cities like NY and LA. After much research, Julie zeroed in on the best anti-aging treatments and new technologies that deliver inspiring results that literally turn back time.

Armed with the excitement of helping others achieve their aesthetic goals, Julie procured the very first Opus Plasma laser in Denver. In order to bring the very best treatment options to their clients, The Firm Medspa offers a variety of skin, body and wellness treatments, as well as top-of-the-line skincare products that will make you look and feel your very best!

Julie holds a Bachelor’s degree in Psychology from Augustana College, IL as well as certifications and licenses in Colorado for esthetics, phlebotomy, chemical peels, and lasers.


  • Licensed Esthetician
  • Licensed Phlebotomist
  • Empire Medical Certified in Neurotoxins and Derma Fillers
Nicole Popken
Nicole is a licensed esthetician, laser technician, certified neurotoxin and dermal filler injectionist, and phlebotomist. Having attended multiple Nationwide pieces of training in laser and injectable techniques, her knowledge includes a wide variety of treatment options. Nicole is dedicated to understanding her clients’ concerns and focuses on maintaining natural beauty to help her clients feel more confident and to be the best version of themselves.

Being passionate about continuous improvement, she is always eager to implement new and more effective ways of fighting skin concerns with at-home skincare regimens and in-office treatment solutions.

Nicole regularly performs dermaplaning, chemical peels, customized facials, lash lifts, lash and brow tints, body waxing, and laser treatments.


  • Licensed Esthetician
  • Patient Coordinator
  • Administrative Assistant
Nicole Popken
As a dedicated patient coordinator, administrative assistant, and licensed cosmetologist/esthetician, Shirley Ann is committed to seamless care and exceptional service. As our patient coordinator she plays a pivotal role in ensuring each client’s journey is smooth and stress-free. Her dedication to organization and attention to detail allows us to concisely manage appointments, facilitate communication, and address any concerns, all while prioritizing the goals and satisfaction of our clients.

Whether it’s scheduling appointments or offering expert skincare and aesthetic services and recommendations, she’s dedicated to ensuring every client feels comfortable and supported. Her passion lies with helping others look and feel their absolute best. Rest assured, Shirley Ann takes the time to understand each client’s distinct needs, delivering personalized services for a tailored and fulfilling experience.


  • Physician Assistant PA
Nicole Popken
Meet Sonia, a dedicated Physician Assistant with a passion for empowering individuals on their journey to getting healthier. As a trusted provider, Sonia conducts consultations for weight loss injectables, working closely with The Firm Medspa team to guide patients through treatment plans to help them achieve their desired results safely and effectively. With a focus on holistic wellness, Sonia emphasizes the importance of lifestyle modifications alongside injectable treatments, empowering patients to make lasting changes for improved well being.

In addition to weight loss services, Sonia also specializes in women’s health, offering a non-surgical treatment to rejuvenate and enhance sexual function. Benefits of the treatment offer increased sexual arousal, improved vaginal lubrication, heightened sensitivity, and enhanced orgasms as well as help to alleviate symptoms of urinary incontinence and improve overall vaginal health. With a compassionate approach, she strives to create a comfortable and supportive environment for patients to discuss their health concerns openly.

Having a background in functional and regenerative medicine, Sonia is committed to staying current with the latest advancements in healthcare and providing the highest standard of care to every patient. Whether it’s helping individuals achieve their weight loss goals or addressing women’s health issues, Sonia is dedicated to improving the well-being and quality of life for all those entrusted to her care.

Her education includes a Bachelor of Science in Biology and Psychology from the University of Hartford, and a Master’s in Physician Assistant Studies from the University of Medicine and Dentistry in New Jersey.


  • Licensed Esthetician
  • Empire Medical Certified in Neurotoxins and Derma Fillers
Dr Samir Hasan
Dr. Hasan obtained his Doctor of Medicine (M.D) degree from the University of Texas in 2010. He proceeded to St. Louis for a residency program in plastic surgery. He completed a fellowship training at NYC, specializing in aesthetic surgery of the face, breast, and body. Dr. Hasan went on to work at the Shriner’s Burn Center for Children, where his passion for aesthetic surgery bloomed. Currently, Dr. Hasan is the Medical Director at the Firm Medspa where he puts his administrative skills and medical expertise into ensuring that clients receive the best of cosmetic management.

Dr. Hasan is a NYC fellowship-trained plastic surgeon with expertise in aesthetic surgery of the face, breast, and body. His journey into medicine began at the University of Texas in 2010. He developed a strong interest in plastic surgery while working alongside reconstructive plastic surgeons at the Shriner’s Burn Center for Children. After graduating from medical school, he completed an intense 6-year comprehensive integrated plastic surgery residency in St. Louis. During residency, he developed a strong passion for aesthetic surgery and was hand-picked to undergo an additional year of aesthetic fellowship training in New York, operating in Manhattan and Long Island. As the Medical Director of The Firm Medspa, Dr. Hasan is dedicated to providing ongoing training and medical oversight to the team as he is passionate about helping provide improvements in appearance with natural-looking results.


Dr Cate Vieregger
Dr Cate Vieregger has been practicing cosmetic and general dentistry for 25 years. She is a fellow at the Las Vegas Institute for advanced dental studies. She has been voted a 5280 Top Dentist every year since 2008. Her passion for creating beautiful, healthy smiles has translated into a desire to enhance peoples natural beauty through Emsculpt Neo and Emface. She has always taken more holistic approach to her treatment, and these procedures fall in line with that philosophy.

A proud mother of two daughters, she has always focused on health and fitness. She enjoys golf, skiing , cooking and enjoying food and wine.



If the scheduled appointment is canceled with less than 24 hours notice or as a no-show, future appointments will require a credit card on file and a charge of $50 will be charged.

Late Arrival

Patients who arrive 10 minutes later than the appointment time will need to reschedule. The deposit will be withheld as a penalty fine.


The patient must have completed the payment as of the appointment time. We accept all major credit cards, cash, and Venmo.