Specialist in the Digestive System · Advanced Endoscopy

Dr. Iván
Romero Sánchez-Miguel

Specialist in the Digestive System, ICAdig · Attending Physician, H.U. 12 de Octubre Tutor for Medical Residents

A consultation is the place where we organize what is happening to you and turn it into a plan to help you.

12 de Octubre Hospital University of Alcalá Double-balloon enteroscopy Advanced therapeutic endoscopy Residency Tutor · H12O AEG · SEED · SEPD
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– About me

Your history, your habits,
your plan

Dr. Romero Sánchez-Miguel studied Medicine and Surgery at the University of Alcalá, completing his hospital internships at the Guadalajara General University Hospital. He continued his training at the Complutense University of Madrid, where he obtained his Diploma of Advanced Studies with research on the long-term outcomes of Infliximab treatment in Crohn’s Disease.

Currently, he is an Attending Physician in the Digestive System Department at the 12 de Octubre University Hospital, where he is part of the Endoscopy Unit with specialized training in advanced therapeutic endoscopy and double-balloon enteroscopy, a technique he specialized in following an intensive course at the Morales Meseguer Hospital in Murcia.

Since April 2020, he has served as a Tutor for Medical Residents at H12O, and since 2021, he has co-organized the Endoscopy Course for Digestive System Residents. He is a professor at the Jesús Usón Minimally Invasive Surgery Centre in Cáceres, a teaching author for the SEED Master’s in Advanced Digestive Endoscopy, and a collaborator in the SEPD-FEAD Academic Program.

In his consultations, he dedicates the necessary time to listen to the patient’s full story—their habits, concerns, and context—translating that information into a clear plan based on the best available evidence. This approach allows patients to better understand their condition and provides them with practical tools to improve day by day.

"A consultation is the place where we organize what is happening to you and turn it into a plan to help you. I am interested in your full story—especially your habits and concerns. Because that is where almost all the answers usually lie."

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H. U. 12 de Octubre

Attending Physician · Endoscopy Unit
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University of Alcalá

Bachelor of Medicine and Surgery
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Complutense University

Diploma of Advanced Studies · Teaching Collaborator Physician
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ICAdig — Specialist

Digestive System · C/ Juan Bravo 10, Madrid
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Specialized Training

Double-balloon enteroscopy · H. Morales Meseguer (Murcia)
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Residency Tutor

12 de Octubre Hospital · since 2020
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Jesús Usón Minimally Invasive Surgery Centre (Cáceres)

Professor · Therapeutic Endoscopy Course
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Scientific Societies

AEG (Endoscopy Group) · SEED · SEPD · FEAD

– Teaching and publications

Commitment to training the next generation

Featured publication

Endoscopy

Este texto ya se encuentra en inglés (es el título original de un estudio clínico). Se traduce al español como:

Intervención educativa telefónica dirigida por enfermería poco antes de la colonoscopia como estrategia de rescate tras un fallo previo en la preparación intestinal: un ensayo aleatorizado multicéntrico.

2020
Residency Tutor
12 de Octubre University Hospital
Tutor for Medical Residents since April 2020. Co-organizer of the Endoscopy Course for Digestive System Residents at H12O since 2021.
University Teaching
Complutense University of Madrid
Clinical Teaching Collaborator for the Academic Course of UCM medical students since 2007.
Teaching in scientific societies
SEED Master’s and SEPD-FEAD Program
Teaching Author of the SEED Master’s Degree in Advanced Digestive Endoscopy (2019 and 2024 editions). Teaching Author of the Academic Program in Gastroenterology and Hepatology (SEPD-FEAD, 2023).
SEED SEPD FEAD AEG
Endoscopist training
Jesús Usón Minimally Invasive Surgery Centre
Professor of the Therapeutic Endoscopy Course at the reference center in Cáceres since 2018. Organizer of the 1st Conference on Continuity of Care between Primary Care and Digestive Diseases at H12O (2015).

I apply the best evidence and avoid what adds no value, providing you with practical tools to help you improve day by day.

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– Research and publications

What our patients say

“I recently visited the clinic for a digestive system check-up with Dr. Matallana. I have never been treated so well or with such professionalism. She explained every single test in detail, using language that anyone could understand. Without a doubt, I recommend that if you have any issues related to the digestive system, you come here and ask for Dr. Matallana. Thank you very much, Doctor, for everything. Best regards.” -Emilio

“The care I received was excellent, both personally and professionally. Dr. Díaz Tasende is magnificent due to his knowledge, experience, approachability, and problem-solving skills. The institute’s team has shown, on every occasion, the empathy, understanding, and attention that you need as a patient. Both the video call system and the exchange of documentation work very well and allow for efficient progress. Thank you very much!!!” -Lluis

“I took my baby for a consultation with Dr. Galicia, a pediatric gastroenterologist, and it was truly an excellent experience. From the very first moment, the doctor showed a human warmth and professionalism that gave us a great deal of confidence. He took the necessary time to listen to us, evaluate our baby with great gentleness, and explain everything in a clear and understandable way. It is clear that he has great experience and vocation, but above all, that he genuinely cares about the well-being of his patients.” -Paola

“ICAdig is a unique and exclusive clinic with exceptional administrative staff and doctors. At the reception, the staff resolves any paperwork issues with exquisite and friendly service. In the consultation, the doctors are highly professional, demonstrate excellent empathy, and inspire great confidence; you leave the appointment with your questions answered and a solution to whatever the problem may be. My experience in consultations with Dr. José Carlos Marín has been second to none.” -Denis

“A 10/10 for Dr. Fresneda: we spent nearly an hour with her in the consultation without ever feeling like she was rushing us—quite the opposite. She didn’t stop asking questions until she fully understood the medical history and the details of my mother’s digestive issues. Now that healthcare in this country is going down the drain, this center seems like an excellent alternative.” -Jorge

“Dr. Diana Fresneda is an exceptional professional: approachable, clear, and deeply empathetic. She explains every step with a clarity that conveys confidence, and she has the delicacy to always do so through listening and respect.” -Lucia

“Every time I have visited ICAdig, I have received fantastic care. In my specific case, the treatment from Dr. Matallana has been excellent. She knows how to listen and engage with the patient, study their issues, and work toward an accurate diagnosis and appropriate treatment plan. She even facilitates testing at centers outside of ICAdig whenever possible. I am very grateful for that. Without a doubt, a highly recommended medical center for digestive specialties.” -Nestor

“Every aspect is exceptionally optimal from the start. The receptionists, Carolina and Silvia, provide information in a charming manner. The medical professionals are magnificently qualified, have a kind demeanor, and dedicate all the necessary time to the patient without the slightest rush. Thanks to Dr. Díaz Tasende, after being ill for months and having been treated by two previous specialists, I regained my health. Totally recommended. Thank you for your care!” -Maria

– Specialties

Clinical areas of care at ICAdig

General Gastroenterology

Gastroesophageal reflux, gastritis, ulcers, altered bowel habits, and general digestive pathology.

Inflammatory Bowel Diseases

Crohn's disease, ulcerative colitis, and other forms of inflammatory bowel disease.

Functional and Motility Disorders

Functional dyspepsia, irritable bowel, abdominal bloating, constipation, and functional abdominal pain.

Liver Diseases

Viral hepatitis, toxic and metabolic diseases, autoimmune diseases, and liver tumors.

Pancreatic and Biliary Diseases

Gallbladder diseases, acute and chronic pancreatitis, pancreatic tumors, ERCP, and cholangioscopy.

Advanced Endoscopy

ESD, EMR/UEMR, POEM, chromoendoscopy, NBI, esophageal stents, and direct peroral cholangioscopy.

Digestive Cancer Prevention

Individualized screening, hereditary and familial CRC syndromes, polyposis, and early neoplasia.

Pediatric Gastroenterology

Digestive pathology in pediatric age. Specialized assessment and follow-up by pediatric gastroenterologists.

– Icadig

The Clinical Institute of the Digestive System

“At the Clinical Institute of the Digestive System, we know that every person has unique needs. You will find the high-quality time necessary to understand your problem and find the solutions you need, from the first visit to periodic check-ups.

We do not work directly with insurance companies —except for reimbursement policies— which allows us to dedicate the time and attention to each consultation that it deserves, without external constraints.

We offer both in-person consultations at our center in the Barrio de Salamanca and video consultations for patients throughout Spain and abroad, with the same standard of clinical excellence.”

• Continuous quality improvement
Committed to excellence and innovation to exceed every patient’s expectations.
• Teamwork
Regular consultations between specialists to share knowledge, allowing for the resolution of every case.
• Adequate consultation times
Schedule adapted to the real needs of each patient, without rushing.
• Based on scientific evidence
Clinical protocols backed by international reference clinical practice guidelines.
• Secure digital medical records
Intuitive and secure platform to centralize your medical information with ease and confidence.

– Consultations and prices

In-person care and video consultation

IN-PERSON CONSULTATION

Barrio de Salamanca Center

Ideal modality for initial assessment and when a complete physical examination is necessary. Our center is located at C/ Juan Bravo 10, in the heart of the Barrio de Salamanca in Madrid.
First consultation
140€ / session
Follow-up consultation
120€ / session
VIDEO CONSULTATION

From anywhere

Excellent alternative for follow-up and evaluation of complementary tests. The most requested option for a second opinion for patients who do not reside in Madrid. Same quality, without the commute.
First consultation
110€ / session
Follow-up consultation
80€ / session
ICAdig does not work directly with insurance companies. If you have a reimbursement policy, we issue detailed invoices valid for recovering the full or partial amount of the consultation fee.

– Frequently asked questions

Your questions, answered

When should I see a digestive specialist?
If you experience symptoms such as frequent heartburn, abdominal pain, heavy digestion, persistent diarrhea or constipation, changes in bowel habits, difficulty swallowing, or blood in the stool, it is advisable to consult a specialist for an accurate evaluation. Do not wait for symptoms to become chronic.
The video consultation has an identical structure to an in-person visit for everything that does not require a physical examination. It is especially useful for follow-ups, reviewing test results, and second opinions. For an initial assessment where a physical examination is necessary, we recommend an in-person consultation.
ICAdig does not work directly with insurance companies, which allows us to dedicate the necessary time to each consultation. If you have a reimbursement policy, we issue detailed invoices valid for recovering the full or partial amount of the consultation fee.
Endoscopic procedures are performed at HM Sanchinarro Hospital, with all the necessary technical and safety guarantees. The initial consultation and assessment take place at our center at C/ Juan Bravo 10.
You can request your appointment through the online form at icadig.com, by calling +34 659 34 00 20, or by emailing icadig@icadig.com. Our team will guide you to the most appropriate specialist and confirm the date and time.

ICAdig

Book your appointment or ask us

In-person consultations at C/ Juan Bravo 10, Barrio de Salamanca, Madrid.

Video consultations available for all of Spain and abroad.

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