Fremont County Providers
Sandee Lewis, DNP
Doctor of Nursing Practice, Riverton
Speciality: Internal medicine, otolaryngology, pediatrics, women’s health and aesthetics
Education: Master’s degree from the University of Wyoming in 2006 and doctorate degree from the University of Northern Colorado in 2018.
Dr. Lewis is a board-certified family nurse practitioner providing rural healthcare to Fremont County residents since 2006. Her vast experience and compassion for her patients make her a sought-after provider. Dr. Lewis is an active member in her community volunteering as an AAU volleyball coach for 12 years, is a Riverton Volleyball Club board member, parent volunteer, and Rocky Mountain Elk Foundation volunteer. In her spare time, she enjoys camping, hiking, fishing, hunting, four-wheeling and shopping.
Hollie Johnson, APRN
Advanced Practice Registered Nurse, Riverton
Speciality: Family Medicine
Education: Graduated from nursing school in 2006 from Casper College. Obtained additional certifications in Adult and Pediatric Sexual Assault Nursing. Master’s Degree in Nursing at Walden University.
Hollie worked for several years In the Wyoming Medical Center Emergency Department as a Certified Emergency Medicine RN. She went on to work as a Psychiatric Assessment Team RN at Wyoming Behavioral Institute. Following her master’s program, Hollie completed clinical rotations in OB/GYN, Pediatrics, Gerontology and Family Medicine. She became certified through the American Association of Nurse Practitioners as a Family Nurse Practitioner. She is certified to treat patients across the lifespan. Hollie is a mother of three.
Lora Koenig, FNP-BC
Family Nurse Practitioner, Riverton
Speciality: Family Medicine
Education: Board Certified Nurse Practitioner through American Nurses Credentialing Center. Graduate of Kaplan University, Undergraduate of University of Wyoming.
Lora has been practicing in healthcare since 1995 with experience in hospital care, home care, school care and clinical care. Lora has been an American Heart Association CPR/First-Aid Instructor for 20 + years. She is a member of the American Association of Nurse Practitioners. Lora is passionate about nursing and caring for others which has led her to her current position as a nurse practitioner. She finds enjoyment in helping others whenever possible. Lora believes in building relationships with people to understand their health needs and goals in order to work collaboratively to make a plan to achieve their best health possible. Lora grew up in Wyoming and enjoys the outdoors including such activities as fishing, hiking, exploring and gardening. She enjoys the beauty that the outdoors provides especially with her family that consists of two grown sons and her husband of 26 years.
Vaughn Morgan, MD
Medical Doctor Board Certified in Family Medicine; ACLS, ATLS, & PALS certified, Dubois
Speciality: Emergency Medicine, Family Medicine
Education: Dr. Morgan attended college at the University of Vermont, graduating with a BA in Zoology and a minor in Classical Literature. He then obtained his MD at the University of Vermont College of Medicine, and finished a Family Medicine Residency at West Virginia University in Morgantown, West Virginia, where he was Chief Resident his final year.
Dr. Morgan spent six years post training in a private family practice site in Star Valley, WY. After this, he moved to Southern California, where he changed over to full time Emergency Medicine at various community and military ED’s, the last ten years in a busy urban hospital in Bakersfield, Ca. In 2002, he and his wife were able to fulfill their wish to return to rural Wyoming. ‘Off duty’ interests include skiing, hiking, traveling, and cooking.
Lisa Rose, FNP
Family Nurse Practitioner, Dubois
Speciality: Family Medicine, Emergency Medicine
Education: Associate of Applied Science in 2005 at Central Wyoming College. ACLS, PALS and TNCC. Certified Flight Registered Nurse Certification. Masters Degree in Nursing from Walden University.
In May 2005, Lisa began working in the Emergency Room at Wyoming Medical Center in Casper. In 2009, Lisa was chosen from a field of 28 applicants for a Flight Nurse position with Wyoming Life Flight. Lisa flew with Wyoming Life Flight for the next seven years in both fixed wing and helicopter with the opportunity to fly patients all over the United States. Lisa was born and raised in Dubois. Her hobbies are fishing, snowmobiling and riding. Lisa has been happily married to her high school sweetheart for over 35 years. She has two children: a son, Eon, who lives in Dubois, and a daughter Emmi, who lives in Casper.
Daniel Bender, DO
Doctor of Osteopathic Medicine, Riverton
Speciality: Family Medicine
Education: Graduate of The University of Tennessee Health Science Center. He obtained his medical degree at Lincoln Memorial University in Harrogate, Tennessee, with an internship year at St. Anthony Hospital in Oklahoma City. His Family Medicine residency was completed at East Liverpool City Hospital in Ohio and its affiliated Lake Erie College of Osteopathic Medicine.
Dr. Bender has a particular interest in the care of medically complex patients and finding the most up-to-date, evidence-based recommendations. He believes that every patient and his/her family is different, with unique needs. Dr. Bender’s goal in his practice is to design an individual treatment plan to help each one of his patients achieve the best outcome possible.
He promotes shared and mutual decision-making: “My patients are given the opportunity to express their values and preferences and to strongly participate in decisions about their care.”
OB/GYN & Women’s Health
Janet Frost, MD, FACOG
Medical Doctor & Fellow of the American College of Obstetrics & Gynecologists, Riverton
Speciality: OB/GYN, Labor and Delivery in partnership with Hot Springs County Memorial Hospital in Thermopolis
Education: Graduate of Texas Tech University Health Sciences Center in Lubbock, TX and completed a residency in OB/GYN at the University of Oklahoma.
After residency she spent 7 ½ years serving as an OB/GYN in the US Air Force, 6 years overseas during Desert Storm and Desert Shield. She practiced in Dallas, TX for 15 years before moving to Riverton where she has practiced for the last 7 years. Dr Frost enjoys all aspects of obstetrics and gynecology and enjoys caring for patients of all ages. Dr. Frost maintains her board certification in OB/GYN by completing a variety of continuing education each year. She majored in chemistry in college and was selected for an internship at Oak Ridge National Laboratory in Tennessee. Although she enjoyed the internship, a job during college at a local hospital confirmed her desire to become a physician instead of continuing on to become a chemist. Dr. Frost is the volunteer Medical Director for Abba’s House in Riverton. She and her husband enjoy camping, traveling, and observing and photographing Wyoming wildlife.
Brittany Christoffersen, PA-C
Physician’s Assistant, Riverton
Education: Brittany received her undergraduate degree from Brigham Young University in 2012 and graduated with her MS in Physician Assistant Studies from Midwestern University in Glendale, AZ in 2015.
Brittany’s passion lies in pediatric medicine and she enjoys interacting with children and teens of all ages. She has a special interest in educating new parents and breastfeeding/lactation assistance. Brittany’s main focus in practicing is patient education and making sure no questions go unanswered. Brittany has three young children and in her spare time enjoys spending as much time with her family as possible. They enjoy camping and fishing and cooking together. Brittany is a native of Riverton, WY and is happy to be back home and serving her community.
Aven Glazer, CPNP
Family Nurse Practitioner
Speciality: Pediatric Primary Care
Education: BS in Nursing and Master’s in Nursing from Duke University.
I am originally from Richmond, Texas. Aven worked as an RN in the Intensive Care Nursery at Duke University Hospital for almost four years. Aven has been in practice as a pediatric nurse practitioner for about two and half years. She enjoys taking care of children throughout the lifespan from birth to teen years. She especially loves watching children grow and learn through well visits and developing a relationship with families in the clinic. Aven is originally from Texas, but she now lives in Lander with her husband and dog. In her spare time, she enjoys cooking, crafting, and spending time in the mountains.
Maggie Theiler, FNP
Certified Pediatric Nurse Practitioner from Morningside College in Sioux City, IA
Education: Bachelor of Science in Nursing and Master of Science in Nursing, Morningside College in Sioux City, IA
Maggie is from Omaha, NE. In her career as an RN, she worked in pediatrics at Nebraska Medicine and Children’s Hospital and Medical Center in Omaha. Through these opportunities, she was able to care for pediatric specialty patients, including general pediatrics, cardiology, gastroenterology and transplants. She has always known she wanted to work with children. Their resiliency and curiosity have always inspired her. Maggie loves being able to watch kids grow and develop through their well-child visits, as well as, build relationships with them and their families throughout the years.
Going into healthcare, Maggie wants to help others in any way possible. Because CHCCW assists their patients with payments, it allows providers to deliver care that remains at the heart of healthcare – helping others. She loves to cook, bake, and hike. Maggie looks forward to being in Wyoming so she can get her four dogs out hiking.
Cheryl Fallin, MD
Education: Graduated from the University of Texas in Austin with her major in Biochemistry and minor in Chemistry. Dr. Fallin attended medical school at the University of Texas – Galveston, and completed her residency program in pediatrics at the University of University of Maryland in Baltimore.
Dr. Fallin spent the first six years after her residency practicing pediatrics in various settings from a multispecialty group to full-time hospitalist. Dr. Fallin has been living in Lander now for eighteen years. In this time, she has worked as a general practice pediatrician for various clinics across the state. Her favorite part of being a pediatrician is that she loves taking care of kids of all ages. She gets to see the children she has taken care of since they were little, grow up into amazing young adults. “Kids never cease to amaze me with their insights and resilience” – Dr. Cheryl Fallin
In her spare time, Dr. Fallin loves running sound and media for her church, camping, hiking, snowshoeing, and traveling with her family. She has recently picked up creative writing and is working on a medical thriller novel.
Juli Smith, LPC
Speciality: Behavioral Health
Education: Graduate of the University of Wyoming Mental Health Counseling Program. Certified in EMDR – trauma-based therapy and EAGALA equine therapy.
Her experience ranges from working with Juvenile Court Treatment helping youth with drug addictions to working on the reservation helping Native American families.
Juli was born and raised in Montana. She loves the outdoors and working with her hands. She enjoys spending time with her 2 horses, 3 dogs and 5 chickens. Juli is currently working on her next goal of becoming a registered play therapist. She enjoys and is passionate about helping families in Fremont County.