You have cancer.

Three of the most terrifying and overwhelming words a person can hear. There are so many unknowns, fears, options, and questions. We are here to help.

At Preti CancerAdvice, you as the patient, are our top priority. We use our more than 30 years of experience to empower you to be an active participant in your battle against cancer. Because every cancer is different and every patient unique, we take time to learn about your specific journey and work with you to make a personalized treatment plan.

That’s why people from all over the world continue to trust our capable and compassionate doctors to partner with them in this fight.

Here are a few of the services we offer:

  • Full evaluation to establish or confirm a diagnosis, stage of cancer, and recommend a treatment strategy
  • In-person second opinion office visit
  • Virtual live online chat appointment to answer your initial questions
  • Virtual live online Telehealth Video appointments for patients

Preti CancerAdvice is embracing new technologies and medical advancements to benefit the medical care we provide to you, including:

  • Owning your curated and secured digital medical records
  • Knowing your hereditary cancer predisposition or germline genetic makeup
  • Understanding your drug susceptibility profile through comprehensive pharmacogenetics
  • Knowing all your available systemic treatment options based on your tumor's genetic sequencing and biomarker profile

While you, as the patient, are our focus, we know that there are others on this journey with you, and we want to help them be informed as well. We will work with your family or support team to help them understand what lies ahead and what options are available.

While we enjoy meeting face-to-face with our patients, we know that’s not an option for everyone. That’s why we offer Telehealth Video and Live Chat appointments for those who cannot make it into the clinic. Our technology is convenient for the patient to use and our doctors make the experience feel as personal as if they were sitting in the same room.

Click below to talk to request an in-person office or Telehealth Video appointment today.


Contact Us Now


Call Us by Phone

Call us to book an office doctor's appointment. Our office hours are Monday through Friday, from 7:00 a.m. to 5:00 p.m.


Live Chat or Send an Email

Click on the Chat/Email icon in the lower right corner to contact us, get directions, learn what to provide for your appointment, and more.


Facebook Messenger

Visit our Facebook Page to Book an Office Appointment or Online Virtual Doctor Appointment.

Meet the Preti CancerAdvice Patient Care Team

Each Member of Our Team Collaborates to Deliver Focused Patient Care

Dr. Hector A. Preti, MD, FACP

Oncologist, Clinical Associate Professor

Dr. H. Alejandro Preti was born in Argentina in 1961. He was educated at Colegio Sagrada Familia, Azul, Buenos Aires, Argentina, 1968, and The International School in Maracay, Venezuela, 1973. He obtained his M. D. degree from Facultad de Medicina, Universidad de Buenos Aires in 1985. He completed his Internal Medicine Residency at CEMIC, Buenos Aires, Argentina 1989, and at Baylor College of Medicine in Houston, 1991. He completed a Fellowship in Medical Oncology at The University of Texas M. D. Anderson Cancer Center, 1994. 

Link to Dr. Preti's ResearchGate Research Publications

Publication topics cover lymphoma biology and immunology; tumor and neo-antigen priming, migration, and expansion in patients with malignancies; increasing effective accrual of adult patients into clinical trials; and adoption of Machine Learning (ML) for DNN/CNN to navigational tools.

Member of:
  • American Medical Association (AMA)
  • American Society of Clinical Oncology (ASCO)
  • American Association for the Advancement of Science (AAAS)
  • American College of Physicians (ACP)
  • Best Doctors in America, 2011-2012
  • America's Top Oncologists, 2009
  • Best Doctors in America, 2007-2008
  • Clinical Associate Professor of Medicine - Baylor College of Medicine
  • Former Medical Director, International Patient Center - MD Anderson Cancer Center 
  • Assistant Professor, Department of Lymphoma - MD Anderson Cancer Center
  • Founder and Chair, Lymphoma Tumor Board - Houston Methodist Hospital
  • Clinical Investigator, Lymphoma SPORE - Baylor College of Medicine/Houston Methodist Hospital

Dr. Khalel Imanbayev, MD, PhD

Oncologist, Research Scientist

Dr. Khalel Imanbayev has more than 10 years of experience in cancer treatment and research with special interests in skin cancer and melanoma. He earned his MD degree in 2004 from Kazakh State Medical University, Astana, Kazakhstan, and completed an internship in general surgery and residency training in Oncology at Astana City Cancer Center. Dr. Imanbayev obtained his Ph.D. degree in Oncology at Astana Medical University in 2010 and completed a clinical fellowship in Surgical and Dermatology Oncology at Sheba Medical Center in Israel in 2014.

Dr. Imanbayev was recruited as an Associate Professor to the Oncology Department of Astana Medical University in 2008 and had active practice as an Oncologist at its affiliated Astana Cancer Center.  He worked at MD Anderson Cancer Center as a research fellow-contractor and now works at Baylor College of Medicine in Houston, Texas. He has full professional proficiency in English and is fluent in Russian and Kazakh languages. 

Member of:
  • European Association of Dermato Oncology (EADO)
  • Cancer Epigenetic Society
  • American Cancer Society
  • Authored and Co-authored more than 20 published papers in Cancer Research
  • Awarded Three Certificates of Authorship in Clinical Oncology
  • Research Team Member - Baylor College of Medicine
  • Associate Professor, Department of Oncology - Astana Medical University
  • Surgical Oncologist, Mohs Surgeon - Astana Medical University

Dr. Anna Shen, MD, PhD

Director of Client Relations

Dr. Shen attended medical college in China and obtained her Ph.D. training in the UK. She has over 20 years of medical research experience involving various clinical cancer research projects at the medical center in Houston. Dr. Shen started her company, Prism Genomic Medicine, in 2015 offering next-generation sequencing services, pathology evaluation, and medical consultations for international patient services. She is a very cheerful and hard worker who takes great pride in her work. She listens to patients and their families on each and every case to understand the needs of the patients and to coordinate with hospitals and physicians to help patients obtaining optimal treatment plans. Dr. Shen is now working as part of Dr. Preti's team to help more international patients.

Member of:
  • American Association for Cancer Research (1998-2000)
  • Chinese American Biomedical Association (2018-2020)
  • President and CEO - Prism Genomic Medicine, Inc.
  • Senior Research Scientist - Pediatric Center for Personal Cancer Genomics and Therapeutics, Texas Children's Hospital, Baylor College of Medicine
  • Instructor and Research Associate - Immunology Allergy & Rheumatology, Department of Medicine, Baylor College of Medicine
  • Project Manager - Human Tissue Acquisition and Pathology Core, Department of Pathology, Baylor College of Medicine 
  • Manager and Senior Scientist - Asterand, PLC




Preti CancerAdvice | Medical Assistant, Naomi


Medical Assistant

Naomi has worked in our office since March 2003 in the billing department and back office. She splits her time evenly with accounts receivable and rooming the patients to be seen by Dr. Preti. She also does venipuncture, helps maintain our lab and assists with bone marrow biopsies. Naomi received her training at Ultrasound Diagnostic School where she graduated in October 2000 from their Medical Assistant Program. She is fluent in both English and Spanish.

Preti CancerAdvice | Office Manager, Janet


Office Manager

Janet helped Dr. Preti open the office in April of 1999. She is our Office Manager and also heads the billing department. Most of her training has been on the job. Some of her responsibilities include overseeing the pre-certification process and overseeing the staff. She has attended many seminars in management, billing, coding, and the changes of Medicare.

Preti CancerAdvice | Front Desk, Andrea


Registered Nurse

Katrina joined the Preti CancerAdvice team in April of 2015. She is responsible for the administration of chemotherapy. Katrina works with patients to manage their symptoms as well as the side effects from the treatment. After graduating from Galveston College in 2013, Katrina began working as a medical surgical nurse and now says that oncology is her passion.



From Dr. Preti's Cancer Patients
Dr. Preti Patient Testimonial | A Gift from God

Dr. Preti - 5 Star Review

"I wish I could give him 10 Stars. Dr. Preti is the best doctor ever he is truly a blessing to everyone and I thank the God for him 5 years ago my mom was diagnosed with stage 4 liver cancer three doctors told us she had four to six months to live God blessed us with doctor preti he said that she wasn't going to die anytime soon that he was going to treat her then told her not to worry cuz he was going to take care of her and he did a year later she was cancer-free God bless you and your family doctor preti we love you we can never thank you enough for everything you've done for us you are truly a blessing to everyone."

Self-verified Patient of
Dr. Hector A. Preti
Vitals Reviews

Dr. Preti | Cancer Patient Testimonial | Compassion

Dr. Preti - 5 Star Review

"Dr. Preti is my oncologist. I really appreciated his detailed and excellent care through my cancer issues. He is thorough and his explanation were extremely important to me. I felt like his care was outstanding and his honesty was most impressive. I felt like his care was outstanding and his honesty was most impressive. If felt like his compassion for treatment of my case was really important to me. "

A. Currie, VMD
Patient of
Dr. Hector A. Preti

Dr. Hector A. Preti | Cancer Remission

Dr. Hector A. Preti | 5 Star Review

"Dr. Preti treated me for T3 Esophageal Cancer and I am now 12 months into remission. The odds of this are pretty low, but I'm still here. During my treatment I met other patients all of them spoke most highly of the Doctor. One of them in particular had 3 recurrences over the past 10 years and pulled through each time. He gives each patient all the time that is required which will sometimes result in a wait for other patients in line; believe me the wait is worth it and he will give you the time you require also."

Self-verified Patient of
Dr. Hector A. Preti
Vitals Reviews