Staff: Doctors, Providers, and Management

Every Staff Member at Associated Dermatology & Advanced Laser Clinic is dedicated to raising awareness of and lowering the risk of skin cancer.

Certifications & Accreditation

Board Certified | General Dermatology | Specializing in Dermatopathology


Board Certified in General Dermatology, Anatomic Dermatology and Dermatopathology

Dr. Goldes was an Army brat born in Honolulu, Hawaii. He graduated with honors from Boston University School of Medicine and is a member of Alpha Omega Alpha, the medical honor society. He received training in Anatomic Pathology, General Dermatology and Dermatopathology at the University of Washington, Seattle, and the University of Minnesota, Minneapolis.

Following medical school Dr. Goldes was assigned to Andrews Air Force Base, Maryland, and the Armed Forces Institute of Pathology, Washington, D.C. He was then in private practice in Washington, D.C. He has been in Helena since 1990. In addition to his clinical patients at Associated Dermatology, Dt. Goldes sees patients on a volunteer basis through the Cooperative Health Center, the Leo Pocha Clinic and God’s Love Homeless Shelter. Dr. Goldes also serves as a Consultant Dermatologist at St. Peter’s Hospital.

Dr. Goldes is a member of numerous specialty societies including the American Academy of Dermatology, the Montana Medical Association, the American Society of Dermatopathology and the International Society of Dermatopathology. He has been a member of the Test Committee for Dermatopathplogy for the American Board of Pathology. He has published numerous research articles and has contributed to many textbook chapters on dermatology and dermatopathology topics.

Dr. Goldes was a member of the Air Force Reserves and the Montana Army National Guard. He was activated during the Persian Gulf War and served at Wilford Hall U.S.A.F. Medical Center, Texas. He left the military as a Lt. Colonel after 27 years if active and reserve duty.

Dr. Goldes is active in the community. With his family, he enjoys all Helena has to offer from appreciation and support of the arts to trails of Mt. Helena, the slopes of the Great Divide and the picturesque waterways at the Gates of the Mountains.

Jody Isbell, PA-C, MPAS

Jody is a Certified Physician Assistant raised in Helena who graduated from Carroll College with a bachelor’s degree in Biology. She obtained her master’s degree in Physician Assistant Studies at Idaho State University in 2009. A Diplomate Fellow with the Society of Dermatology Physician Assistants, she loves the challenging nature of dermatology and collaborating with other providers to optimize patient care. Additionally, she has over 7 years of experience in a thriving orthopedic clinic. She enjoys mountain biking, skiing/snowboarding, community theater, crafting, and spending time with her family. Jody joined the clinic in 2016.

Julie Flesch, FNP-BC

Julie Flesch grew up all around the world but has called Montana HOME since she moved to Butte in 1982. She received a Bachelor of Science in Business Administration from Eastern Montana College (1992) in Billings, and then went on to graduate with a Bachelor of Science in Nursing (2000) and her Master’s Degree in Nursing (2011) from Montana State University. She worked most of her RN career in the Emergency Department in Great Falls and Billings. She practiced family medicine for 6+ years and Phlebology for 3 years before joining Associated Dermatology. She has a teenaged son and is engaged to her greatest friend, Buel. She enjoys spending time at their cabin, spending time on their surf boat, and generally being outdoors and active! She has a special passion for our military members, and especially for the Montana Air National Guard. She enjoys meeting new people and learning about their experiences.

Leigha Shilhanek, DNP, FNP-C, RN

Leigha Shilhanek was born and raised in Billings and attended Carroll College for her bachelor’s degree in Nursing. She worked as a nurse for 7 years in cardiology and intensive care before graduating with her Doctorate in Nursing from Arizona State University in 2018. Leigha completed a dermatology fellowship and worked for several years as a Nurse Practitioner at a large dermatology practice in Arizona before being called home to Montana. She is excited to return with her husband and young son to enjoy all the mountain state has to offer. Leigha enjoys hiking, skiing, reading, and cooking. She is passionate about the prevention and early detection of skin cancer and enjoys helping patients feel confident in their skin.

Ruby Greer

Ruby Greer, DNP, APRN, WHNP-BC

Ruby Greer boasts over 15 years of invaluable experience within the healthcare industry. Her journey began with a Bachelor of Science in Nursing from Montana State University, eventually leading her to pursue both a Master’s and Doctorate in Nursing from Frontier University’s School of Nursing.

Ruby is passionate about empowering individuals to make informed decisions about their health and wellness. She has extensive experience in providing a range of services such as preventative health visits, common and complex gynecologic and reproductive health conditions, menopause transition and postmenopausal care, and addressing women’s and men’s non-gynecologic primary health needs, including bioidentical hormone replacement therapy.

Ruby is committed to providing high-quality, compassionate care to her patients. She strongly believes in building strong relationships with her patients and working collaboratively to develop personalized care plans that meet their unique needs.

In her free time, Ruby enjoys exploring the mountains, laughing, and watching as many sunsets as she can with her family.

Billie Orchard, Board Certified Radiation Therapist

Billie is a Board Certified Radiation Therapist. She attended Montana State University and furthered her education in radiation at Weber State in Ogden, Utah. She is board certified in radiologic technology as well as radiographic and computer tomography. Her priority is helping patients understand the non-surgical cure for non-melanoma skin cancers. Billie was raised on a cattle ranch in the heart of the Big Horn mountains in Ten Sleep, Wyoming. She grew to love small towns and outdoor activities. Billie has lived in Helena for 18 years and enjoys spending time with her husband and son.

Corina Cook, Compliance Manager & Claims Specialist

Associated Dermatology and Advanced Laser Clinic’s Practice Manager, Corina has worked in the healthcare profession since 1987. She has over 29 years of hospital, clinic, office management and billing experience. Corina joined the clinic in 2011.

Debi Simon, Office Manager

Associated Dermatology and Advanced Laser Clinic’s Office Manager, Debi has experience in numerous administrative roles in the private as well as corporate industries for over 40 years. Debi joined the Clinic in 2018. She enjoys being outdoors, camping, fishing, walking, and hiking in this beautiful state we all call home, Montana!


Janel Zitzka, LPN, Director of Advanced Laser Clinic

Janel is a certified laser and injectable provider specializing in the latest in laser technology at Associated Dermatology in Helena, Montana, and is one of Montana’s premier laser and injectable specialists. 

Janel is an extensively trained laser nurse and assisted in the development of the laser wing after joining the practice in 2010, where she has led the practice in obtaining and providing the most cutting edge laser technology including the Opus plasma device. Janel holds over 55 certifications in injectable and laser treatments, including vascular laser, photorejuvenation, radiofrequency, advanced neuromodulator and filler injections, and a variety of laser technologies and skin care.

In her spare time, Janel enjoys raising French Bulldogs, creating culinary delights for friends and family, and enjoying the beauty of Montana from her countryside home near Helena, Montana.”

Tracy Vidrich, RN

Tracy is a dedicated healthcare professional who joined Associated Dermatology in 2010. Her commitment to excellence and unwavering dedication to patient care has made her an integral part of the clinic’s team. 

Tracy’s expertise extends to various facets off healthcare, including dermatology and hormone therapy. She is a certified BioTe nurse and possesses specialized knowledge and skills in bioidentical hormone replacement therapy. Furthermore, Tracy is the nurse coordinator for all biologics prescribed at the clinic. Her dedication to delivering exceptional care continues to positively impact the lives if those she serves.

Megan Roope, CCMA, Medical Staff Manager

Megan Roope was born and raised in Glendive, Montana and attended Helena College for her Certified Medical Assistant where she became nationally certified. 


She is responsible for the nursing and medical assistant staff and works closely with providers to ensure outstanding care. Megan joined our clinic in 2014 as a medical receptionist and quickly realized that she had a passion for working with patients, so she continued her education. The most satisfying part of her job is working in a clinic where she can spend time connecting with patients on a personal level.

She shares her love of Montana with her husband and two children. They enjoy camping, being outdoors and visiting family and friends around the state.

Margaret Blixt

Margaret is the Reception Manager. She is responsible for supporting our front office staff who answer phones, schedule patients and oversee provider’s schedules. Margaret has worked in the customer service field for over 25 years gaining business knowledge and experience both on the job, and attending numerous customer service courses. Margaret joined our clinic in 2009.

Hazel Yuhas, CPC, CPB

Hazel, a Helena native, is our billing manager. She has been with Associated Dermatology for over 23 years and is certified in both medical billing and coding. She received her education and credentials through the AAPC.

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