Our Providers


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Gregory G. Papadeas, DO, FAOCD, FAAD

Dermatologist

Dr. Papadeas is a Denver native.  He is board-certified in dermatology and an active member of the American Academy of Dermatology.  He attended Cherry Creek High School.  After completing his undergraduate degree at San Diego State University, he furthered his studies in Europe while playing competitive basketball.  Dr. Papadeas earned his medical degree at the Philadelphia College of Osteopathic Medicine, and his dermatology training was completed at Ohio University, Grandview Hospital and Medical Center. He is past-president of the Colorado Dermatological Society and The American Osteopathic College of Dermatology.  Dr Papadeas has been selected as a “Top Doc” in 5280 magazine in 2001, 2004, 2005, 2015, 2016, 2017, and 2018.  Dr. Papadeas enjoys teaching, and lectures throughout the U.S. and abroad.  He leads an active lifestyle with his wife and four children, and is a dedicated member of the Greek Orthodox Church.

Dr. Papadeas aspired to become a doctor from an early age.  He grew up in a medical family which was an advantage as it introduced him to medicine early on.  He chose dermatology as it allows the opportunity to care for males and females of all ages, and has a broad spectrum of medical and surgical conditions.  He finds the specialty very fulfilling and gratifying, as he is able to see excellent results with the treatments he has to offer.


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James T Chapman, MD, FAAD

Dermatologist, Mohs Surgeon

Dr. Chapman was born in Los Angeles, California, and raised in Santa Barbara, California.  He is board-certified in dermatology and a fellowship trained Mohs Micrographic Surgeon.  He is an active member of the American Academy of Dermatology and a former president of the Colorado Dermatological Society.  Dr. Chapman received his B.A. degree in Communicative Disorders from the University of Redlands, Redlands, California.  He earned his medical degree from the University of Colorado School of Medicine in Denver, Colorado.  Both his dermatology residency and medicine internship were completed at University of Colorado School of Medicine, Denver, Colorado.  Dr. Chapman is married and has two daughters.  He enjoys family, snow skiing, fly-fishing, mountain biking, camping and travel.

Dr Chapman loves dermatology and Mohs surgery because of the wonderful relationship with his patients and the ability to cure skin cancer.

 


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Darlene Johnson, MD, FAAD

Dermatologist, Mohs Surgeon

Dr. Johnson is a board-certified Dermatologist and fellowship-trained Mohs Surgeon.  She is a Fellow of the American College of Mohs Micrographic Surgery and Cutaneous Oncology.  She was born in the Matanuska valley of Alaska and raised in Iowa, where she obtained her medical degree at the University of Iowa.  She completed her Pediatric Internship at Yale University and Dermatology Residency at Harvard University.  After her fellowship at Emory University in Atlanta, she returned to Boston as a Clinical Instructor of Dermatology and Dermatologic Surgery at Harvard University.

Dr Johnson loves that her teenaged son and daughter are nice, thoughtful, well rounded people. They all love to ski in the beautiful Colorado mountains. She rides Icelandic horses with her daughter in the Pike National Forest, by her house in Monument. Dr. Johnson enjoys sewing and driving her Kubota tractor.


 

 

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Sean Amsbaugh, MD, FAAD

Dermatologist, Dermatopathologist

Dr. Amsbaugh is board-certified in both general dermatology and dermatopathology.  He is originally from Idaho.  He received his medical degree from the Medical College of Wisconsin and completed his residency in dermatology at the University of North Carolina at Chapel Hill.  He finished his dermatopathology fellowship at the University of Texas Southwestern in Dallas.  Dr. Amsbaugh enjoys general and surgical dermatology with special interests in dermatopathology, clincopathologic correlation, and immunobullous diseases.  Dr Amsbaugh has been selected as a “Top Doc” in 5280 magazine in 2017. Dr. Amsbaugh is married and has two children.  He enjoys spending time with his family, skiing, hiking, mountain biking, kayaking, and golf.

Dr. Amsbaugh chose dermatology because he enjoys seeing patients of all ages and enjoys the challenge of identifying and treating skin conditions.  Dr. Amsbaugh completed his fellowship in dermatopathology to become an expert in the diagnosis of skin disorders and diseases.

 


 

 

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Steven Brenman, DO, FAOCD, FAAD

Dermatologist

Dr. Brenman was born in Forest Hills, New York, and was raised in Florida.  He is board-certified in dermatology and an active member of the American Academy of Dermatology.  He attended medical school in Iowa at U.H.S.C.O.M.S.  Dr.  Brenman completed his internship at Southeastern Medical Center and residency at Mount Sinai Medical Center in Miami, Florida.  He then followed his wife, also a physician, to Denver in 1982 where she completed her fellowship in child psychiatry.  Since 1982, Dr. Brenman has been practicing dermatology in the Denver metropolitan area.  They have one daughter, Kristina.  Dr. Brenman and his wife love to garden organically, ski, play competitive tennis and, during their spare time, participate in three-day events on horseback.  The Brenmans came to Colorado because there is nowhere else you can be skiing in the mountains one day, riding your horse the next, and playing tennis the next!

Dr.Brenman loves dermatology because there is no other field of medicine that allows you to do medical, surgical, and cosmetic treatments for patients and see almost instant positive results using everything from lasers to unique medicines and devices. There’s also the added challenge of the fact that no two patients ever look alike even with the same disease.


 

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Elizabeth (Lisa) Swanson, MD, FAAD

Dermatologist, Pediatric Dermatologist

Dr. Swanson is a board-certified dermatologist and pediatric dermatologist.  She was born in New Orleans, Louisiana, and raised in Scottsdale, Arizona.  She attended college at the University of Colorado at Boulder, graduating with honors as an English major.  After that she obtained her medical degree from Tulane University School of Medicine in New Orleans.  She performed her internship at Mayo Clinic in Scottsdale, Arizona, and went on to complete her dermatology residency at Mayo Clinic in Rochester, Minnesota.  After that, she completed a fellowship in Pediatric Dermatology at Phoenix Children’s Hospital in Arizona.  She is currently Vice President of the Colorado Dermatological Society and will be President of the Society in 2017.  She is an active lecturer at conferences discussing pediatric dermatology with audiences across the country.  She has been selected as a “Top Doc” by 5280 Magazine in 2012, 2013, 2014, 2015, 2016, 2017, and 2018.  She is on staff at Rocky Mountain Hospital for Children where she sees hospital consults and performs procedures.  Dr. Swanson loves sports (especially the Broncos and the Rockies!) and likes to spend her free time hiking, skiing, trying new restaurants, and spending time with family, friends and her 2 dogs.

Dr Swanson went into dermatology because she felt like it allowed her to “fix” things for people so that they could live happier and healthier lives.  She chose Pediatric Dermatology because she realized that it simply made her happy to help kids.

 


 

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Jamie G. Surovik, MD, FAAD

Dermatologist

Dr. Surovik is a board-certified dermatologist and a member of the American Academy of Dermatology.  She was born and raised in Shreveport, Louisiana. She completed her undergraduate studies at Southern Methodist University in Dallas, Texas, where she graduated Summa Cum Laude with a B.S. degree in Biological Sciences.  She obtained her medical degree from the University of Texas Medical School at San Antonio, and then went on to complete her internship in Internal Medicine and residency in Dermatology at the University of Texas Health Science Center at Houston/M.D. Anderson Cancer Center. Dr. Surovik is married with two children, and enjoys spending time with her family and friends.  She also enjoys outdoor activities, such as running, hiking, and skiing.  She is currently serving as Treasurer of the Colorado Dermatological Society.

Dr. Surovik went into dermatology because it affords her long term continuity with her patients while providing her the opportunity to deliver specialized care to patients of all ages.  As a dermatologist, she loves being able to educate her patients about their skin and in turn help them to look and feel their best.


 

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Jennifer A. Ray, MD, FAAD

Dermatologist

Dr. Ray is a board-certified dermatologist and an active member of the American Academy of Dermatology. She was born in San Antonio and raised in rural Texas.  She graduated from the honors program at the University of Texas at San Antonio with a major in biochemistry.  She received her medical degree at the University of Texas Medical Branch.  She completed her internship and dermatology residency training at the Mayo Clinic in Rochester, Minnesota.  She has been inducted into numerous honor societies including Alpha Omega Alpha Medical Honor Society and has conducted over ten years of bench research during her education.  She enjoys international travel, cooking, gardening, biking, camping, hiking, and spending time with her husband and son.

Dr Ray went into dermatology because she understands the way skin disease impacts daily life; she and many members in her family have atopic dermatitis and multiple members in her family have had skin cancer, including melanoma.


 

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Ryan Gamble, MD, FAAD

Dermatologist

Dr. Gamble was born in Denver and grew up in Colorado, France, Germany and Austria.  He is a board-certified dermatologist and a member of the American Academy of Dermatology.  He attended college in Middlebury, Vermont, graduating Summa Cum Laude with a Biochemistry major.  He obtained his medical degree from the University of Colorado School of Medicine.  He subsequently completed a research fellowship in Dermatology at the University of Colorado and authored over 20 publications in the field, focusing on skin cancer prevention.  He went on to complete his internship in Internal Medicine at Banner Good Samaritan Medical Center in Phoenix, Arizona, and his residency in Dermatology at the University of Colorado.  In his free time, Dr. Gamble enjoys running, hiking, mountain biking, skiing, and spending time with family and friends.

Dr Gamble loves dermatology because he is able to help people improve their lives.  He is thankful for the many excellent role models that he has had in dermatology and enjoys being an expert in the field.


 

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Anne Hanson, DO, FAOCD, FAAD

Dermatologist

Dr. Hanson was raised in Centennial, Colorado.  She is board certified in dermatology by the American Osteopathic College of Dermatology.  Dr. Hanson attended the University of Puget Sound for her undergraduate studies where she studied biology and music and also studied abroad in Vienna.  She then earned her medical degree at Kansas City University of Medicine and Biosciences, where she was a clinical research fellow and member of the osteopathic honor society Sigma Sigma Phi.  Her internship was completed at Largo Medical Center in Florida followed by dermatology residency at Saint Joseph Mercy in Ann Arbor, Michigan.  Dr. Hanson enjoys spending time with her husband and family, hiking in the mountains, art, travel, and playing the cello in local community orchestras.

Dr Hanson loves dermatology because one can often make a fast and significant impact on the most apparent aspect of a person’s health, their skin, and thus greatly change their lives.


Dawnielle Endly, DO

Dermatologist

Dr. Endly was born and raised in Aurora, CO. She is board certified in dermatology. She attended Overland High School and went on to graduate Summa Cum Laude as a pre-medical student with a B.S. in Nutritional Sciences from Colorado State University. Dr. Endly earned her medical degree at Midwestern University’s Arizona College of Osteopathic Medicine in Glendale, AZ and graduated in the top 2% of her class. Thereafter, she completed her internship in Internal Medicine at Banner Good Samaritan Medical Center in Phoenix, AZ and dermatology residency at Nova Southeastern University/Largo Medical Center in Tampa, FL. She was selected and served as Co-Chief Resident during her final year. Dr. Endly has presented at several national meetings including the American Academy of Dermatology and Cosmetic Surgery Forum and has authored numerous publications in high-impact peer-reviewed journals such as the Journal of the American Academy of Dermatology. She enjoys spending time with her husband and 2 dogs, family and friends, cooking, traveling, and watching the Broncos.

She loves the field of dermatology because of the immense impact that improving one’s skin condition can have on her patient’s overall happiness and well-being.


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Paul J. Grant, MD, FAAD

Dermatologist

Dr. Grant was born in Brooklyn, New York, and grew up in El Paso, Texas.  He is board-certified in dermatology and is an active member of the American Academy of Dermatology.  He brings more than twenty years of experience in all aspects of dermatologic care to our practice.  Dr. Grant graduated from Columbia College where he majored in Biology.  He earned his medical degree from Cornell University College of Medicine.  He completed his residency at the University of Colorado.  During his training, he and one of his professors discovered that minoxidil, when applied to the skin, stimulated hair growth.  Their research was the basis for the development of Rogaine.

Dr. Grant started his own private practice and was the first dermatologist to use PUVA therapy in Colorado for psoriasis.  He was a clinical instructor in dermatology at C.U. and an officer of the Christian Medical Society.  He retired from practice after nearly 20 years to devote himself to directing the Bread of Life Foundation, a charitable foundation that he and his wife founded in 1989.  He also attended Denver Seminary where he graduated with a degree in theology.  He and his wife have spoken in numerous churches across the country about prayer.  Because he missed the privilege, challenge, and joy of caring for patients, he returned to practice with Advanced Dermatology in 2001.  He enjoys spending time with his family, reading, and is a top racquetball player.

Dr Grant loves dermatology and is thankful that dermatology has enabled him to meet, treat and help thousands of people over the years.


 Ryan O’Leary, M.D.

Dermatologist

Dr. O’Leary is a board-eligible dermatologist and a member of the American Academy of Dermatology. He was born and raised in Southern California. He completed his undergraduate studies at the University of California at Santa Barbara, where he graduated first in his class with a Bachelor of Science degree in Microbiology. He obtained his medical degree from the David Geffen School of Medicine at UCLA, where he served as president of the Alpha Omega Alpha Medical Honor Society and was awarded the Stafford L. Warren Medal for having the highest academic achievement in his class. He went on to complete his internship in Internal Medicine at Cedars Sinai Medical Center in Los Angeles. He completed his residency training in Dermatology at the University of Colorado, where he served as chief resident during his final year. He has authored multiple publications in high-impact peer-reviewed journals such as the Journal of the American Academy of Dermatology. Dr. O’Leary is married and has one daughter. He enjoys spending time with his family and friends. His hobbies include snowboarding, surfing, stand up paddle boarding, hiking, mountain biking, and photography.

Dr. O’Leary chose to specialize in dermatology because he enjoys caring for patients of all ages with a wide variety of medical and surgical conditions. He loves how this rapidly-evolving field provides the opportunity to team up with his patients and create innovative, personalized treatment strategies to combat all types of skin disease and maintain optimal skin health.


Matthew R. Clark, MD, FAAD

Dermatologist, Mohs Surgeon

Dr. Clark was born and raised in Gainesville, Florida. He is board-certified in dermatology and
fellowship trained in Mohs Micrographic Surgery. Dr. Clark graduated Cum Lade with a B.S. in nutritional sciences at the University of Florida, Gainesville, FL. He went on to receive his medical degree Cum Lade from the University of Florida College of Medicine, where he was inducted into the Alpha Omega Alpha Medical Honor Society. He completed his internship in internal medicine at the University of Florida College of Medicine, followed by a residency in dermatology at the University of Michigan, Ann Arbor, Michigan. Following his residency, Dr. Clark completed a fellowship in Mohs Micrographic Surgery and Dermatologic Oncology at the Cleveland Clinic, Cleveland, Ohio, where he learned advanced techniques in the treatment of skin cancer.

Dr. Clark enjoys sports (especially all things Florida Gators), reading, being outdoors, and spending time with his family. Dr. Clark loves dermatology and Mohs surgery because of the positive impact improving skin health and treating skin cancer has on patient’s lives. It also affords the wonderful opportunity to treat patients of all ages, both medically and surgically.


Daniel Jensen, MD, FAAD

Dermatologist, Mohs Surgeon, Phlebologist

Dr. Daniel Jensen is fellowship-trained in Mohs micrographic surgery and cosmetic dermatology, and is also a Diplomate of the American Board of Venous and Lymphatic Medicine, in which he specializes in the treatment of varicose veins. Dr. Jensen graduated from the University of Colorado School of Medicine and completed his dermatology training at the University of Alabama. Following his residency training, Dr. Jensen was a Fellow in Mohs Micrographic Surgery and Dermatologic Oncology at Scripps Clinic in San Diego, California, where he learned advanced techniques in the treatment of skin cancer, minimally invasive cosmetic treatments (including injectable treatments, lasers, and other minimally-invasive techniques and devices), and minimally-invasive treatment of varicose veins. Dr. Jensen only sees patients at our Frisco office.

Dr. Jensen loves living in Colorado. He loves the outdoors, mountain biking, skiing, and horseback riding. He also enjoys playing the piano and guitar, and is involved through service in the community.


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Roger Ceilley, MD, FAAD

Dermatologist, Mohs Surgeon

Dr. Ceilley received his medical degree and dermatology residency training at the University of Iowa.  He is board-certified in dermatology, dermatopathology, and Mohs micrographic surgery and cutaneous oncology.  He is a fellow of the American College of Mohs Micrographic Surgery and Cutaneous Oncology, and the American Academy of Dermatology.  Dr. Ceilley has served as president of the American Academy of Dermatology and the American Society for Dermatologic Surgery.  Dr. Ceilley is also in private practice in Des Moines, Iowa, specializing in skin cancer surgery and dermatologic surgery.  He is a Professor at the University of Iowa, Department of Dermatology, and is Director of a Mohs Surgery Fellowship program.  Dr. Ceilley has authored and co-authored over 100 scientific publications, books and chapters.

Dr. Ceilley enjoys the outdoors, hiking, biking, and fishing, and is new to the sport of snowshoeing.


Licensed Medical Aestheticians

zigrid_253Zigrid Rush

Licensed Medical Aesthetician

Zigrid is a Denver native and enjoys outdoor activities such as cycling, hiking and skiing with her husband and friends.  She graduated from Metropolitan State University of Denver with a Bachelor of Science Degree in Computer Science.  Zigrid worked for a Defense Contractor for 12 years before following her passion into the medical field.  She studied at Antoine Du Chez Academy in Denver, where she realized her dream by becoming a licensed aesthetician.

Zigrid enjoys working with her patients to help them feel good about their skin and achieve excellent skin care!


ishteiwy_007Arwa Ishteiwy

Licensed Medical Aesthetician

Arwa is married and has three grown children.  She enjoys time with her family, especially with her new granddaughter.  In 2000, she successfully completed a six month training course in skin treatment in Dubai, sponsored by the Confederation of International Beauty Therapy and Cosmetology of London, England.  Arwa is a certified laser specialist by the Rocky Mountain College of Laser and is proficient in using various laser and light-based machines.

She has a great relationship with her patients and helps them reach their skin care goals!


jennifer_344Jennifer Newton

Licensed Medical Aesthetician

Jennifer is from Fort Worth, Texas where she resided for 30 years. She loves outdoor activities such as disc golf, hiking, and camping. She also enjoys painting landscapes with oil in her spare time, so naturally she fell in love with Colorado upon her first visit. She graduated from Ogle with a degree in Aesthetics in 2012 and became a Certified Laser Technician in 2013 while attending Texas Laser Institute.

Everyone deserves to look and feel good about themselves and Jennifer is here to help each and every one of her patients achieve that goal.


 


 

 

Lauren Simon-Barbour

Licensed Medical Aesthetician

Lauren is a Colorado native from Littleton. She graduated from Aesthetic Education Pathways in Greenwood Village in 2015.  Lauren is married, she has a teenage daughter and a dog. On her free time she enjoys any outdoor activities with her family such as hiking, running, and camping.

Lauren loves helping her patients enhance their beauty and achieve confidence. Lauren says, “Beauty is about enhancing what you have. Let yourself shine through.”


 

 

 

 

Candice Borgonah, Practice Administrator – Aurora

Debra Doan, Practice Manager – Centennial

Kellie Fisher, Practice Manager – Frisco

Stacy McKenzie, Raeona Fraser – Front Office Managers

Mary Burroughs, Jessica Adams – General Dermatology Clinical Managers

Marybel Pereda, Tara Brennan – MOHS Clinical Managers

Ana Navarro – Call Center Supervisor

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