About Centro Gamma Knife Dominicano

It is the only Gamma Knife center in the Dominican Republic We treat various tumors and brain lesions, such as arteriovenous malformations, meningiomas, trigeminal neuralgia, acoustic neuroma, brain metastases, and many other disorders that affect the brain and head.

Our Gamma Knife is the ICON model which has the latest cutting-edge technology.  We have an excellent team of neurosurgeons, radio-oncologists, and professional medical physicists, recognized and highly experienced in Gamma Knife radiosurgery.

We are located at Centro de Diagnóstico y Medicina Avanzada y de Conferencias Médicas y Telemedicina (CEDIMAT), considered among the most modern and high-standard health institutions in the Dominican Republic, Central America, and the Caribbean.

A specialized medical team

Our medical team is integrated by neurosurgeons, radiation oncologists and medical physicists with vast experience in Gamma Knife radiosurgery

Dr. Diones Bienvenido Rivera Mejía


Graduated from Universidad Autónoma de Santo Domingo. Specialty in neurosurgery at Humboldt University, Berlin. His areas of interest are image-guided minimally invasive surgery with stereotactic degenerative spinal pathologies and Epilepsy surgery.

Dr. Santiago Valenzuela Sosa


Graduated from Universidad Autónoma de Santo Domingo. He completed his training as a neurosurgeon at the Marseille School of Medicine and has received training in Gamma Knife radiosurgery at the University of Pittsburgh.

Dr. José Orlando Bidó Franco


Graduated from Universidad Autónoma de Santo Domingo. He completed training in neurosurgery at the Hospital of the Federal University of Sao Paulo, and a postgraduate in stereotactic and functional neurosurgery. He received Gamma Knife radiosurgery training at the University of Pittsburgh.

Dr. Giancarlo Hernández León


Graduated from the Faculty of Medicine of Universidad de Buenos Aires. He completed his neurosurgery residency at the French Hospital in Buenos Aires and later trained in cerebrovascular and skull base surgery at the University of Montpellier, France. He received training in Gamma Knife radiosurgery at the University of Pittsburgh.

Dra. Jazmín García

Radiation oncologist

Graduated from Universidad Autónoma de Santo Domingo. She received training in comprehensive management of oncological patients. She has extensive experience in teletherapy, LDR/HDR brachytherapy and intraoperative radiotherapy. She has received training in Gamma Knife radiosurgery at the University of Pittsburgh.

Dr. Luis Moreno

Radiation oncologist

Graduated from Universidad Central de Venezuela. He completed a postgraduate in radiotherapy and nuclear medicine at the Hospital Universitario de Caracas. He completed a master in neurological oncology at Universidad Cardenal Herrera and received training in radiosurgery and radiotherapy.

Dr. Luis Eduardo Suazo de la Cruz

Endovascular Neurosurgeon

Graduated from Universidad Nacional de La Plata, Argentina. He completed a residency in neurosurgery at the Pirovano Hospital and a master’s degree in endovascular neurosurgery at the Endovascular Center. He received training in Gamma Knife radiosurgery at the University of Pittsburgh.

Dr. Ismael Peralta Báez


Graduated from Universidad Autónoma de Santo Domingo. He completed his specialty and residency in neurosurgery at Hospital Dr. Darío Contreras. He has carried out various publications and clinical trials. He directs the Southern Neurosurgical Unit in San Juan de la Maguana.

Dr. Jeffrey Paulino Rodríguez

Neurosurgeon Oncologist

Graduated from Universidad Católica Nordestana. He completed medical training in oncological neurosurgery at the Tel Aviv Sourasky Medical Center, Israel, and postgraduate from neurosurgery at Hospital Dr. Dario Contreras. He received training in radiosurgery, and transsphenoidal and skull base surgery.

Dr. Teuddis Bernard


Graduated from Instituto Tecnológico de Santo Domingo. He completed residency in neurosurgery at Hospital Universitario Vall D’Hebron at Barcelona, Spain. Neurosurgeon with experience in cranial pathology, neuro-oncology, vascular neurosurgery, basis of skull and neurotraumatology.

Herwin Speckter

Medical Physicist

He has a master’s degree in physics from Gutenberg University of Mainz and specialized in functional magnetic resonance in the Department of Neuroradiology. He was director of Magnetic Resonance and Nuclear Medicine at CEDIMAT and since 2003 he has held the medical technology management position. He has carried out research and publications in renowned neurosurgery and radiosurgery journals such as Journal of Neurosurgery, Journal of Neuro Oncology, Journal of Radiosurgery & SBRT and Journal of Radiation Oncology.

Licenses & Memberships


International advisors

Christer Lindquist, MD, PhD


He studied at the University of Texas and at Karolinska Institute. Lars Leksell (the “father” of Gamma Knife) and Ladislau Steiner (professor of Gamma Knife) were his mentors. He was until recently the Medical Director of the Cromwell Gamma Knife Centre, London, and advisor to the Gamma Knife Center in Hamburg. President of the International Society of Stereotactic Radiosurgery 1995-1997.

Dr. Jim Robinson


Neurosurgeon specialized in brain and skull base tumor surgery. Actively participates in Missions in Central America through the HOI program in Honduras. Likewise, it has projects in El Salvador, the Dominican Republic and Mexico. He studied at the Goizueta School of business and at Emory University.

Dr. Richard L. Weiner, MD, FACS


Physician, FACS, is a member of Dallas Neurosurgical & Spine Associates and works at Presbyterian Hospital of Dallas.

Dra. María Claudia Mallarino

Medical Oncologist

Dr. María Claudia Mallarino is a Medical Oncologist, with extensive experience in oncological treatments at Florida Cancer Specialists, Sarasota, USA. She graduated from the Colombian Medical-Military School and later completed her residency and post-doctorate in Oncology at Stanford University. She was an associate professor in Oncology at Texas Tech University.



Centro Gamma Knife Dominicano
Plaza de la Salud Dr. Juan Manuel Taveras Rodríguez
Calle Pepillo Salcedo. Ens. La Fe.
Santo Domingo
República Dominicana


Direct 809 732 1771
Central 809 565 9989
ext. 2801/2802

Email address


Business hours

Monday to Friday 8:00 a.m. a 5:00 p.m.