![](https://usdigestivehealth.com/wp-content/uploads/2022/12/RGI_Lancaster_Exterior-6.jpg)
Lancaster
Doctors Office: This is where you go for regular check-ups and consultations.
Endoscopy Center: This is where you go for medical procedures, including colonoscopies, ultrasounds, studies, and more.
2112 Harrisburg Pike, Suite 202, Lancaster, PA 17601 Get Directions
Office Information
OFFICE HOURS
![](https://usdigestivehealth.com/wp-content/uploads/2022/12/RGI_Lisa_J_Yoo_DO_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Lisa J. Yoo, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/12/RGI_DaleWhitebloom_DO_RGI_3475_Final_LR-e1673622070155-227x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Dale Whitebloom, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/12/RGI_ChristopherShih_MD_RGI_FINAL_3450_LR-e1674587949389-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Christopher Shih, MD, FACG
Go to provider profile![Evan Shelby MD](https://usdigestivehealth.com/wp-content/uploads/2022/12/RGI_Evan_Shelby_MD_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Evan Shelby, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Heather_E_Sauder_MSN-CRN_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Heather E. Sauder, MSN, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Delores_K_Rigano_MSN-CRNP_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Dolores K. Rigano, MSN, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_AlisonPlatt_DO_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Alison Platt, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_AmeetNParikh_MD_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Ameet Parikh, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_RajeshRPanchwagh_DO_FACP_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Rajesh Panchwagh, DO, FACP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_MelissaGMorgan_DO_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Melissa Morgan, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Robert_J_Martin_MSN_CRNP_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Robert J. Martin, MSN, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_CliffordTLomboy_MD_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Clifford T. Lomboy, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Mehul_J_Lalani_MD_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Mehul Lalani, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_KetanGKulkarni_MD_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Ketan Kulkarni, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Mark_H_Johnston_MD_FACP_FACG_AGAF_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Mark H. Johnston, MD, FACP, FACG, AGAF
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_J_David_Horwhat_MD-FACG_FASGE_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
J. David Horwhat, MD, FACG, FASGE
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Julie_L_Hinton_MSN_CRNP_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Julie L. Hinton, MSN, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_JustinHarberson_MD_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Justin J. Harberson, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_T_Raymond_Foley_III_MD-MBA-FACP-AGAF_cmyk-240x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
T. Raymond Foley, III, MD, MBA, FACP, AGAF
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_ChistopherPFarrell_DO_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Christopher Farrell, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Daniel_C_Connell_Jr_MD_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Daniel C. Connell, Jr., MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_Kaci_E_Christian_MD_cmyk-222x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Kaci E. Christian, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2023/10/RGI_JosephChapman_DO_5695-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Joseph Chapman, DO
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2024/02/RGI_AlexCase_PA_C_9290_HR-scaled-1-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Alexander Case, PA-C
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_JohnDBetteridge_MD_FACP_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
John D. Betteridge, MD, FACG
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2022/11/RGI_PaulAllegretti_DO_FACG_cmyk-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Paul D. Allegretti, DO, FACG
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2023/10/RGI_ScottDouglas_MD_5658-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Scott Douglas, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2023/10/RGI_AndrewLee_MD_5704-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Andrew Lee, MD
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2024/02/RGI_AndrewGemmell_PA_C_9264_HR-scaled-2-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Andrew Gemmell, PA-C
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2024/02/RGI_GurpreetKaur_CRNP_9281_HR-scaled-1-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Gupreet Kaur, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2023/10/RGI_StaciJohnston_CRNP_5683-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Staci Johnston, CRNP
Go to provider profile![](https://usdigestivehealth.com/wp-content/uploads/2023/10/RGI_ChuckMikulka_PA-C_5667-300x300.jpg)
MD: A doctor of medicine, also known as an M.D., graduated from a traditional medical school.
DO: A doctor of osteopathic medicine graduated from a U.S. osteopathic medical school.
Advanced practice providers, including nurse practitioners and physician assistants are healthcare professionals who have advanced degrees and clinical training. In addition to examining and educating patients, they can order tests, prescribe medications and perform certain procedures.
Chuck Mikulka, PA-C
Go to provider profilePatient Forms
- RGI Historial Medico Del Paciente (688 KB)
- RGI Medical History Form (167 KB)
- RGI Release Of Info Form (66 KB)
Prep Instructions for Procedures
- Colonoscopy Preparation Instructions, Standard Split Prep (133 KB)
- Upper Endoscopy (EGD), Endoscopic Ultrasound (EUS) or ERCP Preparation (58 KB)
- Alta Endoscopia (EGD) o ERCP Preparación (185 KB)
- Bowel Prep with Prepopik (82 KB)
- Capsule Endoscopy Preparation (55 KB)
- Flexible Sigmoidoscopy Preparation Instructions (52 KB)
- Español Instrucciones de Dosis Dividida—Prepopik Preparación (307 KB)
- Miralax/Gatorade Colonoscopy Preparation—2 Day Prep (53 KB)
- Español Preparación De Colonoscopia Miralax Dosis Dividida (199 KB)
- Español Preparación de Miralax (2) Dos Dias para la Colonoscopia (152 KB)
- Español Preparación Para Flexible Sigmoidoscopy (182 KB)
- Español Preparación Para Una Capsular Endoscopia (271 KB)
- (0 B)