Offered at our convenient location in Sonoma County, CA

Allegro MedSpa Staff Photo

Founded by world-renowned plastic surgeons, Allegro MedSpa offers the latest non-surgical cosmetic treatments in a luxurious spa environment.

At Allegro Medspa, we want you to glow from within. Using state-of-the art technology and a vast menu of cosmetic treatments, our team of experts go the extra mile so that you walk out of our office beautiful and confident. With additional offices in Novato and San Francisco, our services include, among others, Botox, Daxxify, Fillers, CoolSculpting®, Fraxel, EmsculptNeo, and MicroneedlingRF. Start your journey to confidence with us!

Allegro Med Spa in Northern California

The Allegro MedSpa Story

In 2006, Allegro MedSpa began as the dream project of two plastic surgeons to deliver minimal downtime noninvasive and nonsurgical aesthetic treatments. Over a decade and a half later, Allegro MedSpa is the premier MedSpa in Santa Rosa and Novato, California. Offering innovative and top-of-the-line aesthetic care for patients in Northern California, Allegro has received a national top 1% Black Diamond award from the makers of Botox® and Juvéderm® every year since 2012.

Through an array of aesthetic treatments for the face, body, and skin, our skilled team of aesthetic professionals is devoted to the quality care of our clients so they leave luminous and beaming.

In our serene Tuscan-style spa, we utilize modern techniques to empower our clients to look and feel their absolute best. To learn more, we invite you to meet our experienced aesthetic team, tour our comfortable facility, and view our extensive list of services.

Meet the Allegro Team

Get to know the doctors and aesthetic professionals who make up the Allegro team.

Heather Furnas, M.D.

Dr. Heather Furnas headshot


Dr. Heather Furnas specializes in rejuvenating the aesthetic of men and women of all ages. She is board certified by the American Board of Plastic Surgery and has been in practice for almost 30 years. She is the co-founder of Allegro MedSpa of Novato and is thrilled to be serving alongside her husband, Dr. Francisco Canales. Dr. Furnas has served as a Clinical Instructor in surgery at Harvard Medical School and is currently Adjunct Clinical Associate Professor of Plastic Surgery at Stanford University. Her overall goal is to provide the highest quality of care with the utmost integrity.

Francisco Canales, M.D.

Dr Canales headshot


As a board-certified plastic surgeon, Dr. Francisco Canales specializes in aesthetic services for men and women in the Northern California area. Prior to establishing himself in Santa Rosa, he began his own private practice in Boston, MA. Additionally, he worked as a faculty member at Harvard Medical School in the division of plastic surgery. Upon moving to Sonoma County, Dr. Canales was appointed the chief of plastic surgery at Santa Rosa Memorial Hospital and the chief of surgery at Warrack Hospital. With his wife, Dr. Heather Furnas, he co-founded Plastic Surgery Associates and Allegro MedSpa of Santa Rosa in 1992.

Eric Culbertson, M.D.

Eric Culbertson, M.D.

Dr. Eric Culbertson is double board certified by the American Board of Plastic Surgery and the American Board of Surgery. Specializing in cosmetic surgery of the face and body, Dr. Culbertson completed training specifically in aesthetic surgery during his fellowship at the University of Texas Southwestern, which is only offered to one applicant per year and has repeatedly been ranked the top-ranked plastic surgery program in the country. There, he was mentored by some of the most highly regarded aesthetic plastic surgeons in the world. Dr. Culbertson moved to Sonoma County from Texas with his wife and two boys in 2017.


Tiana McClure

Assistant MedSpa Manager

Tiana started her career in 2013 building her experience in Plastic Surgery and Facial Aesthetics. She grew up and live in Sonoma County until middle school, when she relocated to Vacaville with her family.  She always felt Sonoma County was home and moved back about 7 years ago. Tiana has extensive experience with skin care lines, all aesthetic treatments and finds joy in helping others feel reat about themselves.

Keolani Weaver

Front Office Coordinator

I was born and raised in Sonoma County, I love going for walks and hikes! I enjoy going out with friends and hanging out with family on weekends. Allegro MedSpa and PSA are my favorite places to be, offering the most welcoming and friendly environment for our patients!


Kirstie Aesthetic Nurse Injector

Aesthetic Nurse Injector

After earning her initial degree in Exercise Physiology, Kirstie Anderson graduated from nursing school in Colorado in 2007 and became a Registered Nurse. Born and raised in Santa Rosa, she returned to her hometown and has been a part of the PSA and Allegro MedSpa family since 2013. She has specialized training in Botox, dermal fillers, lasers, and medical-grade skincare, including several Masters training courses through Allergan for Botox and filler. Kirstie is known for her expertise and gentle touch and for helping her patients feel beautiful with natural-looking results. In addition to her busy med spa schedule, Kirstie also assists Dr. Canales and Dr. Furnas with their surgical patients, helping them to feel comfortable and cared for during their surgical process.


Melinda MSN, RN, PHN, FNP-C


Originally from Southern California, Melinda moved to Bodega Bay in 2016 and has spent the past several years working as an aesthetic nurse practitioner in Marin and Sonoma Counties. Her background includes dual Bachelors of Arts and Science, and a Masters of Science in Nursing from California State University, Los Angeles. At both Santa Rosa and Novato Allegro MedSpa locations, Melinda performs laser resurfacing and injectables with expert care and precision. Employing a multitude of laser platforms and injectable treatments, she champions self-confidence by improving pigmentation irregularities, reducing unwanted hair, smoothing fine lines, and restoring clearer, healthier complexions. With a genuine smile and a positive attitude, Melinda provides her patients with holistic treatment plans to achieve their aesthetic goals and maintain fantastic results. At home, Melinda enjoys time with her large family and many pets, laughing out loud at rom-coms and sitcoms, reading adventure novels, and eating delicious foods. As a mother of many children, she is often heard telling patients and coworkers alike that “work is my happy place where I come to be surrounded by beautiful happy people … and avoid laundry.”


Martha Certified Medical Assistant

Certified Medical Assistant

Martha initiated her career as a Medical Assistant in 2003 and soon after developed her passion for skin care. This desire to grow in the field led to multiple credentials for highly sought-after aesthetic and skin care procedures. Having also worked as a lead Medical Assistant and as a Medical Transcriber, Martha is highly skilled in educating patients about skin care products both aesthetically and medically. Martha joined the Plastic Surgery Associates and Allegro MedSpa team in 2016 and since then has developed and improved her professional skills. Specifically, Martha specializes in the body contouring treatment known as CoolSculpting. In addition, Martha is an expert at numerous other procedures including chemical peels, Hydrafacials, Venus legacy, Nu Era, Embrace and Aspen. Martha has found that education is key to helping patients make informed decisions about their personal skin care. Martha enjoys helping people improve the health of their skin and body and has found the greatest reward in helping her patients feel more confident.


Palmer Jones Clinical Medical Assistant

Clinical Medical Assistant

Palmer received her certification as a Clinical Medical Assistant in 2021 and has been fascinated by all things skincare from a young age. She has worked at several med spas as a patient care coordinator and medical assistant before joining the Allegro team. In her free time she enjoys watching dermatology videos on YouTube and taking local dance classes in Santa Rosa. She loves discussing skin care products with clients and passing on her knowledge of all the latest technologies in this field. She believes everyone deserves to have glowing, refreshed skin at any age and genuinely cares about each and every patient’s experience here at Allegro!


Jessica Gaidano Medical Assistant

Medical Assistant

Jessica joined Allegro Med Spa in 2021, already with an extensive history in the aesthetic industry. Jessica’s passion for skin began when she suffered from acne at a very young age. It was then she realized it was her destiny to help educate others on how to appropriately care for their skin.

Jessica achieved her license as a Professional Aesthetician in 2016 at the top of her class from Lytle’s Beauty College in Santa Rosa, California. After she graduated, she began working as an Aesthetician in Dermatology where she was able to learn more about pre-cancerous and cancerous skin lesions.

She received her Certification as a Dermatology Technician and Medical Transcriber. She also obtained her Certification as a Clinical Medical Assistant, and has been able to assist in many different procedures including Minor Surgery, Mohs Skin Cancer Surgery, Injectables, Chemical Peels, Cryo Facials, Photodynamic Therapy, UV Therapy, CO2 Fractionated Laser, Fraxel, Laser Hair Removal, IPL, FemTouch, Ultherapy, Microneedling w/ RF, CoolSculpting, EmSculpt, and PicoWay.

Jessica is also trained in HydraFacial, TCA Peels and Dermaplaning, and is is highly knowledgeable when it comes to medical grade skin care. “I take pride in educating our patients to help better understand their skin and what products are going to be best for them. I want to help give back that confidence that everyone deserves to feel, not only on the outside, but also the inside. Everyone deserves to feel beautiful and confident in their skin, which is why I love what I do so much.”

Jessica is positive, upbeat, and always willing to lend a helping hand. In her free time, Jessica enjoys finding delicious new recipes to cook with her boyfriend and taking her dog, Jilly Bean, for walks.


Diana Aesthetic Nurse Injector

Aesthetic Nurse Injector

Diana was raised in the small town of Kelseyville California. She graduated from Mendocino College and obtained her Nursing degree in 2019. She continued her education in Aesthetics and in 2020 she obtained multiple certifications through the National Laser Institute specializing in skin rejuvenating procedures like lasers, filler and advanced injectables. Diana has a keen interest in skin rejuvenation and the latest anti-aging technologies. Diana also continues her commitment to her local community hospital as a part-time nurse.

Outside of work, Diana’s world revolves around her kids, 5-year-old Vida and teenager Damian. Diana loves cooking together and crafting with her children. “I love to explore/ travel in my downtime and try different amazing food.” Diana has been an artist since a young age, and she was recognized throughout high school for her artwork. Using her artistic talents, Diana found her passion in the world of aesthetic nursing.


Karen Aesthetic Nurse Injector

Aesthetic Nurse Injector

I have been a Santa Rosa resident since 2014. I’m a new mother to my baby boy, and a corgi and cattle dog mom too. My hobbies are scuba diving and international travel. I spent seven months in Europe in 2022. Ask me about all the fun my family had traveling! I have been a nurse for 14 years. I spent may years in ICU and cardiac surgery. I got into cosmetic nursing because I wanted to do something more fun and uplifting. I have been treating patients with lasers and injecting Botox and fillers since 2019.


Licensed Aesthetician

Jennifer is a recent transplant from Southern California, where she had extensive experience working in Medspas Orange County. She is passionate about skin care, from rejuvenating treatments to working with acne or problematic skin types. Jennifer is experienced in Hydrafacial & has great knowledge of medical skin care lines.
Jennifer enjoys traveling, discovering all that Marin and Sonoma Counties offer, and educating herself on beauty, health and fashion.

She enjoys entertaining and cooking, as well as spending time with her husband and 3 adult daughters.


Front Office Coordinator

Jasmine was born and raised in the heart of Napa Valley, St. Helena, California. She has 8 years of experience in the medical field and found her love for skin care when she joined Allegro Medspa. Jasmine is very close to her family and enjoys spending time with them and her loving husband on weekends. Jasmine has been on a stage singing since the tender age 5. She still occasionally performs with Grammy Award-winning Mariachi Divas and Mariachi Angelitas any time she is able to. Jasmine loves her work family and loves to help patients in any way she can.


Front Office Coordinator


Marketing Coordinator


Medical Assistant


Medical Assistant

I was born and raised in Sonoma County. I’ve been in the medical field for about 8 years. I’ve really enjoyed learning more about skin care since I’ve started working at Allegro Medspa. Outside of work, I love to spend time with my family,  trying new places to eat around Sonoma County and enjoying the outdoors.

Santa Rosa Office Location

Allegro MedSpa of Novato is a premier med spa in Marin County that offers nonsurgical treatments for the skin, face, and body.

Our MEDICAL SPA is overseen by board-certified plastic surgeons Drs. Francisco Canales and Heather Furnas.

With their years of experience and our talented team of staff, we can provide exceptional aesthetic care in a safe and inviting environment. We invite you to visit our office or schedule a consultation to learn more about Botox®, dermal fillers, and all forms of non-surgical rejuvenation.


As two plastic surgeons, Drs. Heather Furnas and Josh Korman lay aside their scalpels and explore the nonsurgical world to bring you what’s new, what’s safe, and what to look for when you’re ready to hit “refresh.”