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Kristin Rokusek, C-NP

Kristin Rokusek, C-NP

Kristin is a Board Certified Family Nurse Practitioner and graduate of South Dakota State University. She has been in practice since 2019. Her practice focuses on General GI issues and Inflammatory Bowel Disease.

In her spare time, Kristin enjoys hiking, gardening, cooking, multiple sports, and traveling both domestically and internationally.

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Elizabeth Larson, C-NP

Elizabeth Larson, C-NP

Elizabeth is a Board Certified Family Nurse Practitioner and graduate of South Dakota State University. She has been in practice since 2018, though she started out in a pediatric practice and worked for one year before joining RCMC. 

Elizabeth enjoys getting to help people with their gastroenterology needs. She sees general GI, but has a focus on IBD, Ulcerative Colitis, and Crohn’s. 

She enjoys hiking, reading, and traveling – especially when it involves time with her family.

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Katie Ingle, DNP, FNP

Katie Ingle, DNP, FNP

Katie Ingle is a board-certified family nurse practitioner who joined the Rapid City Medical Center Gastroenterology Department in 2021. She has been a nurse practitioner since 2005, previously working in family and emergency medicine. Her educational background includes a Bachelor of Nursing degree from the University of Iowa and a Doctor of Nursing Practice from the University of Minnesota. In 2020 she obtained a certification in functional medicine from the Institute of Functional Medicine.

Developing relationships with her patients, looking for the root cause of symptoms, and helping patients work towards an optimal state of health are the things Katie most enjoys about being a nurse practitioner. She appreciates being able to provide holistic care by combining traditional allopathic medicine with functional medicine principles. She believes this approach allows for optimal health.

Katie grew up in Iowa and met her future husband, Zak, who was in the Army, while finishing her undergraduate nursing degree. Zak and Katie spent 21 years living all across the United States and finally settled here in Rapid City when Zak retired from the army. They have three children who keep them busy. As a family they enjoy traveling, skiing, and spending time with their Newfoundland, Rey.

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Emily Baertsch, C-NP

Emily Baertsch, C-NP

Emily is a Board Certified Family Nurse Practitioner and graduate of South Dakota State University. She has been in practice since 2020.

Emily was born and raised in Rapid City. She initially attended college at the University of Minnesota where she graduated with honors in Kinesiology and a Coaching Minor. She then went on to receive a BSN from South Dakota State University and later returned to earn her Doctor of Nursing Practice as a Family Nurse Practitioner, graduating in 2019. She spent 11 years as a RN in the acute care setting, caring for patients across the lifespan with a special focus in end-of-life care, organ donation, and hospital operations. She joined Gastroenterology in 2020 where she enjoys seeing general gastroenterology patients and subspecializes in liver disease. Her passion is to help people live their best lives using a personalized approach to medical care. Outside of the office, she spends time with her husband and 2 children enjoying life in the Black Hills. She is also active in high school gymnastics and has been a high school official since 2005.

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Blake Jones, MD

Blake Jones, MD

Dr. Jones is originally from St. Paul, Minnesota, and grew up in Canada. He attended medical school at the Faculty of Medicine at the University of Toronto, followed by a medical internship at the Toronto General Hospital, and residency training at Mayo Graduate School of Medicine. Dr. Jones returned to Mayo for a fellowship in gastroenterology and completed training in 1998. He joined the Gastroenterology Department at Rapid City Medical Center in 2013.

In his spare time, he enjoys mountain biking, hiking, and camping with his wife and children in the Black Hills and beyond. Dr. Jones is also an avid photographer and dog lover.

  • Board Status

    Certified American Board of Gastroenterology

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Nathan Jaqua, MD

Nathan Jaqua, MD

Dr. Nathan T. Jaqua is a native of Sioux Falls, South Dakota. He received his bachelor’s of science degree in Chemistry with a minor in Psychology from South Dakota State University (SDSU). After completing some graduate-level work in Chemistry at SDSU, he attended the University of South Dakota Sandford School of Medicine where he received his Medical Doctorate degree in 2010.

Dr. Jaqua completed both his internship and residency in Internal Medicine at Tripler Army Medical Center in Honolulu, Hawaii. This was followed by his fellowship in Gastroenterology at Walter Reed National Military Medical Center in Bethesda, Maryland. During his fellowship, he participated in a phase-2 clinical trial for an investigative medication for eosinophilic esophagitis (EoE) as well as in research on the infectious triggers of Crohn’s disease. He spent almost nine years as an active duty Army physician.

Dr. Jaqua enjoys practicing general gastroenterology including the treatment of liver diseases, Inflammatory Bowel Disease (Crohn’s and Ulcerative Colitis), Barrett’s Esophagus, GERD, and Irritable Bowel Syndrome. His passion is preventing colon cancer with screening colonoscopy and the removal of large polyps with endoscopic methods. He is a fellow of the American College of Physicians and a member of the American College of Gastroenterology. He is a dual board-certified diplomate in Internal Medicine and Gastroenterology by the American Board of Internal Medicine.

In his spare time, Dr. Jaqua enjoys hiking, camping, music, and spending time with his wife and three children.

Board Status
Certified American Board of Gastroenterology and American Board of Internal Medicine

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Oksana Anand, MD

Oksana Anand, MD

Dr. Anand became fascinated with Gastroenterology as a specialty as a fourth-year medical student. She felt it was a perfect blend of intellectual stimulation and procedural skill. Her choice was reaffirmed after her father received the diagnosis of metastatic esophageal cancer. After successfully completing Internal Medicine Residency, followed by Gastroenterology and Hepatology Fellowship at the University of Kansas Hospital in Kansas City, KS and prior to joining RCMC in 2016, she worked as a general gastroenterologist in rural Kansas and North Dakota.

Although she cares for patients with all gastrointestinal conditions, her special clinical interest includes diagnosis and management of Celiac disease, Inflammatory Bowel Disease (Crohn disease and ulcerative colitis), women’s GI health (chronic constipation, pelvic floor dysfunction, accidental bowel leakage), colon cancer screening and treatment of Clostridium difficile associated diarrhea utilizing pharmacological options and fecal microbiota transplant. In addition to being proficient in general endoscopic procedures such as upper endoscopy (aka EGD), colonoscopy, flexible sigmoidoscopy, she is also trained in interpreting wireless capsule endoscopy (aka PillCam), wireless SmartPill (the study of the gut’s motility), esophageal manometry and in performance of a non-surgical treatment of hemorrhoids using CRH O’Regan system.

She is Board-certified in both Internal Medicine and Gastroenterology and has been a member of the American College of Gastroenterology since 2008.

In her practice as a general gastroenterologist, she combines evidence-based principles of western allopathic medicine with functional (aka integrative) approach in order to achieve optimal, life-long lasting results for her patients. She works in close collaboration with Kathleen Ingle, DNP.

Hippocrates, the Father of Modern Medicine, once said, “All disease begins in the gut.” Dr. Anand strongly believes this to be true and has made it her mission to help patients heal their bodies by healing their gut.

  • Board Status

    Certified American Board of Gastroenterology and American Board of Internal Medicine

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Paeton Moyle, PA-C

Paeton Moyle, PA-C

Paeton Moyle, PA-C returned to her hometown of Rapid City after graduating from the University of Nebraska Medical Center in Omaha, NE in 2018. She joined the Rapid City Medical Center dermatology team in 2020. Paeton is passionate about providing personalized care to individuals of all ages.

Paeton is a member of the American Academy of Physicians Assistants and the South Dakota Academy of Physicians Assistants. Paeton enjoys hiking, downhill skiing, and spending time in the Black Hills with her husband and both of their extended families.

The Skin InstituteExcellentThe Skin Institute4.9See all reviews review us onGrimsley MorrisonGrimsley Morrison ★★★★★ Very nice staff absolutely loved Tia!!!@K RogersonK Rogerson ★★★★★ Dr Poling is a great doctor & I would highly recommend her.Bonnie MillerBonnie Miller ★★★★★ I saw Lindsey Slusarski, PAC, for my yearly skin check. She & her nurse, Molly, are very professional yet personable. I trust them for my care.Judy LoveJudy Love ★★★★★ Jessica Rachetto & her staff are very caring & knowledgeable. I definitely recommend her.Cheryl PottsCheryl Potts ★★★★★ We were very happy with everyone we came in contact with! I would recommend them to everyone!Angela CurryAngela Curry ★★★★★ Laurie HrachovecLaurie Hrachovec ★★★★★ Dania PhelpsDania Phelps ★★★★★ I came in early, was accommodated to be seen earlier. Staff were great! Great care.Mel TothMel Toth ★★★★★ Sari MathesSari Mathes ★★★★★ I was treated with kindness, respect, and expertise after being squeezed in for an appointment not even with 24 hour notice. Super.Alan CaseAlan Case ★★★★★ Called into treatment room before my scheduled appointment time. The wait for Dr. Sage was short. A quick treatment and I was out by the time I was scheduled for my appointmentIda SneadIda Snead ★★★★★ Marie SortillonjonesMarie Sortillonjones ★★★★★ Everyone very friendly and pleasant i like the office it was modernizedJerry CorkranJerry Corkran ★★★★★ James SpeirsJames Speirs ★★★★★ I am very happy with the quality of my care at The Skin Institute and Dr. Eide. I have been a patient of RCMC for many years.SusiSusi ★★★★★ I am always called on time. Hardly no waiting. Staff very friendly.Morris MostMorris Most ★★★★★ Very nice people they treat you with respect and answer all your questionsCheryl LindCheryl Lind ★★★★★ Saw nurse and Dr. at appointed time. Very knowledgeable, thorough and professional. They always take time to listen and address any concerns I have. I would highly recommend Dr. Wittenberg and staff.Stacy GarbischStacy Garbisch ★★★★★ Bree and Dr. Thornburg are the best!Barb WenkBarb Wenk ★★★★★ Both Dr. Poling and her nurse took the time to answer a number of questions, explain what would happen and what to expect. I never felt like I was being rushed so they could move on to the next patient. It was very reassuring to fell like my comfort and questions mattered.Merrie ChristophersonMerrie Christopherson ★★★★★ If I could, I would rate them higher. Efficient. Friendly, professional. No waiting and excellent bedside manner.Sharp TailSharp Tail ★★★★★ Doug KrogmanDoug Krogman ★★★★★ Had a great visit today with Dr Noble and his nurse. Both were very thorough and professional. Thank you!Dan AshmoreDan Ashmore ★★★★★ Great people and great servicePhyllis MinerPhyllis Miner ★★★★★ I very much admire Jessica Rachetto. She's efficient and smart. She treats me like I'm important to her. She's the best dermatologist I've ever had.Wiley CressWiley Cress ★★★★★ Diane PaulsonDiane Paulson ★★★★★ Friendly and fast. Thank youCarla HiggsCarla Higgs ★★★★★ Just went to my first visit here. Everyone , staff, doctors, etc was very friendly and efficient. I was seen on time and the PA knew exactly how to treat my condition. Highly recommend!Joanne NygaardJoanne Nygaard ★★★★★ Rob HammerquistRob Hammerquist ★★★★★ Robert ChristensenRobert Christensen ★★★★★ Jack WelkerJack Welker ★★★★★ Well organized, great people work there, Dr. Was good at explaining procedure, called me to see how I was doing and that results are goodEthan SandersEthan Sanders ★★★★★ They were quick to get me into my appointment. The staff was extremely friendly and helpful. On top of that they were able to easily diagnose what was wrong and prescribe the correct medications! I would highly reccomend this medical center for all dermatology needs.chadjagowchadjagow ★★★★★ Cathy RobesonCathy Robeson ★★★★★ Always friendly staffLinda KramerLinda Kramer ★★★★★ Dr Sage is a great doctor as is his staff!! Front desk people are always friendly, courteous and helpful!Shari CaffeeShari Caffee ★★★★★ Janice WeisserJanice Weisser ★★★★★ Great care and caring people,Dave OlsenDave Olsen ★★★★★ Really appreciate Dr. Eide.Michelle WatsonMichelle Watson ★★★★★ Dr. Wittenberg and his team do such a great job of taking care of my dad. Excellent care. Excellent concern and compassion! We feel very fortunate to be in his care!Thomas StewartThomas Stewart ★★★★★ The staff is super nice and professional. The appointment was quick and easy. I was even running late and they showed amazing grace.Cady BardenCady Barden ★★★★★ Dorothy MillerDorothy Miller ★★★★★ Very quick and efficient full body exam. Dr Thornburg is Personable and willing to answer questions. The reception people also are friendly and knowledgeable about purchasing products.Amber SauvageAmber Sauvage ★★★★★ Wendy MayerWendy Mayer ★★★★★ Great place, very clean, waiting was minimal, Jessica was very thorough, kind and walked me through everything she was doing. It was a great experience!!!betty streetbetty street ★★★★★ I experienced a very good and knowledgeable visit with the staff.Marvin MartinezMarvin Martinez ★★★★☆ Jody LobergJody Loberg ★★★★★ Dr Poling is so knowledgeable and kind! Thank you!!Ron SmithRon Smith ★★★★★ Brooke StoverBrooke Stover ★★★★★ js_loader

(605) 721-3376

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2820 Mt. Rushmore Rd.
2nd Floor (Main Entrance)

44.05715085,-103.23122799191563

Allergy, Asthma, & Immunology Clinic

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Gregory Wittenberg, MD, FAAD

Gregory Wittenberg, MD, FAAD

Gregory P. Wittenberg, MD, FAAD, FACMS, is a native of Hot Springs, South Dakota. He attended the University of South Dakota School of Medicine where he graduated magna cum laude in 1994. Dr. Wittenberg then completed his internship at the Mayo Clinic in Rochester, Minnesota, and trained in dermatology at Henry Ford Hospital in Detroit, Michigan. He also completed a fellowship in Mohs Micrographic Surgery at Emory University in Atlanta, Georgia. Dr. Wittenberg is board-certified in dermatology and dermatologic surgery, a Fellow of the American Academy of Dermatology and of the American College of Mohs Micrographic Surgery and Cutaneous Oncology, and a member of the Alpha Omega Alpha Medical Honorary Society.

Dr. Wittenberg has practiced in Rapid City for 25 years and performed thousands of surgeries for both malignant and pre-malignant skin lesions. He values most the physician/patient relationship and the best outcome for the patient is always his primary objective. He considers his patients part of his family and strives so that each patient has access to the highest quality care. He acknowledges and appreciates his outstanding staff and partners in providing the best quality care in Rapid City and the surrounding area.

Gregory Wittenburg, MDExcellentGregory Wittenburg, MD5.0See all reviews review us onTina DillonTina Dillon ★★★★★ Dr. Wittenberg and his nurses make you feel like more than a number or a condition. He is very careful and thorough. His entire team is outstanding and very hard working. I have been there as a patient and the loved one of a patient. They always make you feel welcome, see to your comfort and care.I appreciate them so much!!Audrey WoodAudrey Wood ★★★★★ Martha RodriguezMartha Rodriguez ★★★★★ The dr and staff were excellent ! The dr called me later in the evening to make sure I was stable and doing fine!!!Karen and Curtis StreetKaren and Curtis Street ★★★★★ He is a talented surgeon-can hardly tell a mole was removed. Very professional and nice. Recommend him highly!Lidvin KjerengtroenLidvin Kjerengtroen ★★★★★ simply outstanding and so is the staffTerry KaiserTerry Kaiser ★★★★★ Dr. Wittenberg is a skilled and caring professional. I had several large areas on my face requiring complete and very careful removal. He accomplished this with great skill, and the results are fantastic. I highly recommend Dr. Wittenberg.Terry K. Kaiser, DVMjs_loader

(605) 721-3376

Schedule Appointment

2820 Mt. Rushmore Rd.
2nd Floor (Main Entrance)

44.05715085,-103.23122799191563

Allergy, Asthma, & Immunology Clinic

Map to this Location

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