Ivy L. Lersten, M.D., is board certified in obstetrics and gynecology (OB/GYN) and board eligible in reproductive endocrinology and infertility (REI). Dr. Lersten earned her medical degree at the University of Iowa Carver College of Medicine, graduating in the research distinction track. She then completed her residency in OB/GYN at the University of Colorado School of Medicine, Anschutz Medical Campus in Aurora, Colorado where she was also an education chief resident. She stayed at the University of Colorado to complete her REI fellowship. As an avid researcher, Dr. Lersten received ASRM’s Fertility Preservation Special Interest Group Prize Paper Award for her work on fertility preservation. The award-winning study, Ovarian Response and Anti-Mullerian Hormone in Fertility Preservation Versus Elective Oocyte Cryopreservation Cycles, concluded that patients with a recent cancer diagnosis can expect comparable results from fertility preservation treatment to those who are undergoing elective egg-freezing. She is interested in ovarian biology and furthered her knowledge studying ways to optimize ovarian tissue cryopreservation in fellowship which culminated in an international oral presentation at the Society of Reproductive Investigation. Dr. Lersten is a member of the American College of Obstetricians and Gynecologists (ACOG), the American Society for Reproductive Medicine (ASRM), and the Society for Reproductive Endocrinology and Infertility (SREI). Always ready to listen, provide options, and educate her patients, Dr. Lersten provides care at SGF Colorado’s Denver location. In her spare time, she enjoys playing tennis, cheering on Arsenal, and cooking. Dr. Lersten is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Infertility, Endometrial Polyps, Sertoli Cell-Only Syndrome, and Asherman Syndrome.

Gayle Frazzetta is a primary care provider, practicing in Family Medicine in Montrose, Colorado. Dr. Frazzetta is rated as a Distinguished provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Premature Ovarian Failure, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia.

Britta Czapla is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Czapla is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Maturity Onset Diabetes of the Young, Type 1 Diabetes (T1D), and Intrauterine Device Insertion. Dr. Czapla is currently accepting new patients.

John Flanagan is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Flanagan is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Premature Ovarian Failure, Obesity, Type 2 Diabetes (T2D), and Vertigo. Dr. Flanagan is currently accepting new patients.

Susan Sayers is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Sayers is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Premature Ovarian Failure, Hypothyroidism, Obesity in Children, Vertigo, and Intrauterine Device Insertion. Dr. Sayers is currently accepting new patients.

Jennifer Grodberg is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Grodberg is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Premature Ovarian Failure, Long Haul COVID, Sitosterolemia, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Grodberg is currently accepting new patients.

Timothy Smith is a primary care provider, practicing in Internal Medicine in Castle Rock, Colorado. Dr. Smith is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Premature Ovarian Failure, Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, and Gastric Bypass. Dr. Smith is currently accepting new patients.

Jean Hadley is a primary care provider, practicing in Family Medicine in Avon, Colorado. Dr. Hadley is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Hypothyroidism, Premature Ovarian Failure, Obesity in Children, and High Cholesterol.

Erik Paulson is a Radiologist in Steamboat Spr, Colorado. Dr. Paulson has been practicing medicine for over 16 years and is rated as an Advanced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Thyroid Nodule, Vertigo, Chronic Cough, and Gallbladder Disease. Dr. Paulson is currently accepting new patients.

Elizabeth Clain is a Reproductive Medicine specialist and an Obstetrics and Gynecologist in Denver, Colorado. Dr. Clain is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Infertility, Asherman Syndrome, Endometrial Polyps, and Polycystic Ovary Syndrome. Dr. Clain is currently accepting new patients.

Daniel Sullivan is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Sullivan is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Type 2 Diabetes (T2D), Tracheitis, Obesity, and Hypothyroidism. Dr. Sullivan is currently accepting new patients.

Kristin Beougher is a primary care provider, practicing in Family Medicine in Aurora, Colorado. Dr. Beougher is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Sitosterolemia, Common Cold, Premature Ovarian Failure, and Hypothyroidism.

Nanette Santoro, M.D., completed her medical training in the 6-year B.S.-M.D. program at Rensselaer Polytechnic Institute and Albany Medical College, followed by residency at Beth Israel Medical Center in New York City and a fellowship in Reproductive Endocrinology at Massachusetts General Hospital, where she remained on faculty for 3 years prior to joining the faculty at New Jersey Medical School in 1988. She helped recruit talent to make the University of Colorado’s Department of OB/GYN #8 in the country for NIH funding in 2017. Over the course of her career thus far, Dr. Santoro has personally mentored over 100 students, residents, postdoctoral fellows, and junior faculty, many of whom have gone on to illustrious academic careers. An accomplished researcher, Dr. Santoro’s current exploration involves treatment of menopausal symptoms in women, understanding the mechanisms by which obesity causes relative infertility in women, participating in clinical trials in reproductive medicine, and research training of OB/GYNs and reproductive endocrinologists. Dr. Santoro worked closely with the former CU ARM laboratory, which specialized in the development and measurement of reproductive hormones using state-of-the-art methodologies. Dr. Santoro has developed techniques to perform field studies that allow for daily hormone assessments without the inconvenience of blood drawing by using urine sampling. She is past Chair of the Steering Committee for the Reproductive Medicine Network, and current principal investigator with the CONFIRM network, both NIH-funded clinical trial networks devoted to the study of problems in human reproduction. In addition to her extensive research, Dr. Santoro has authored over 300 peer-reviewed scientific publications and edited four books. Additionally, Dr. Santoro has held leadership positions with numerous professional organizations and is currently President-Elect of the Society for Reproductive Investigation. Among Dr. Santoro’s decorated career of achievements, she was elected to the National Academy of Medicine in 2018. Dr. Santoro has been named a Castle Connelly “Best Doctor” and “Best Doctor in America” as well as a “Best Doctor” by New York Magazine and “Top Doc” by 5280 Magazine. Dr. Santoro sees SGF Colorado patients at the Denver office, while also maintaining her position at CU treating women for complex menopause management. Dr. Santoro will continue to provide training to the University of Colorado Reproductive Endocrinology and Infertility fellowship program. Dr. Santoro is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Menopause, Infertility, Ovarian Cysts, Hormone Replacement Therapy (HRT), and Oophorectomy.

Monique Morisseau is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Morisseau is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Obesity Hypoventilation Syndrome (OHS), Obesity, Obesity in Children, and Premature Ovarian Failure. Dr. Morisseau is currently accepting new patients.

Louise Thielen is a primary care provider, practicing in Family Medicine and Internal Medicine in Steamboat Springs, Colorado. Dr. Thielen is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Hypothyroidism, Premature Ovarian Failure, Cholesterol Pneumonia, and Obesity in Children.

Seth Turner is a primary care provider, practicing in Family Medicine in Grand Junction, Colorado. Dr. Turner is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Premature Ovarian Failure. Dr. Turner is currently accepting new patients.

Jennifer Christensen is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Christensen is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Hypothyroidism, Osteoporosis, Postmenopausal Osteoporosis, and Obesity in Children. Dr. Christensen is currently accepting new patients.

Harold Johnson is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are High Cholesterol, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Johnson is currently accepting new patients.

Thomas Englert is an Obstetrics and Gynecologist in Greeley, Colorado. Dr. Englert is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. His top areas of expertise are Premature Ovarian Failure, Infertility, Endometrial Polyps, and Vaginal Yeast Infection. Dr. Englert is currently accepting new patients.

Tiffany Von Wald is a Reproductive Medicine specialist and an Obstetrics and Gynecologist in Lone Tree, Colorado. Dr. Von Wald is rated as an Experienced provider by MediFind in the treatment of Premature Ovarian Failure. Her top areas of expertise are Infertility, Polycystic Ovary Syndrome, Premature Ovarian Failure, and Ovarian Cysts. Dr. Von Wald is currently accepting new patients.