What is Hematology Oncology and what do Heme Onc specialists do? (2025)

What is Hematology Oncology and what do Heme Onc specialists do? (2)

Posted by Callie Torres
April 23, 2021

Hematology Oncology specialists, also called Heme/Onc What is Hematology Oncology and what do Heme Onc specialists do? (3)doctors, specialize in treating, screening, and preventing disorders of the blood such as anemia, sickle cell disease, bleeding disorders, hemophilia as well as different types of Cancer including Leukemia and Lymphoma. Hematologist oncologists do not perform surgery on cancers, instead, they provide medication to treat the conditions. Hematologist-oncologists primarily work in a clinic setting, however, they may also spend time in the hospital providing health care to hospitalized patients. In clinic, their duties include:

  • provide screening tests for cancers
  • conduct medication checks
  • oversee chemotherapy regimens
  • order diagnostic laboratory tests
  • provide follow-up care
  • work with other Medical specialists including Surgeons, Radiologists, Pathologists, Radiation Oncologists, and others to provide the highest quality of patient care

Quick Navigation links

  1. Why see a Heme Onc specialist?
  2. Is it cancer?
  3. Hematology/Oncology Differences?
  4. Heme-Onc Education?
  5. Medical Fellowships Available?
  6. Salaries?

Why would you see a Hematologist Oncologist?

Usually, seeing a Heme/Onc blood and cancer doctor requires visiting a general practice doctor first. If a primary care doctor determines there is a health condition such as a cancer or a blood disorder, then the patient may be referred to hematology/oncology. Conditions that warrant a referral to Heme/Onc include:

  • familial cancer syndrome medical care,
  • cancers in remission care,
  • cancer recurrence health screening,
  • post-transplant medical care,
  • cancer or blood disorder symptoms management,
  • bone marrow transplant care, health therapy treatment,
  • bleeding health disorders,
  • blood abnormalities that affect patient health,
  • and blood cancer management.

If you are worried that you may have a medical condition that requires the care of a heme/onc specialist, it is important to reach out to your primary care provider to discuss the concerns.

Discover if a career in Hematology & Oncology is right for you.

Learn why 85% of doctors would choose the same specialty again.

What is Hematology Oncology and what do Heme Onc specialists do? (4)

Does seeing a hematologist-oncologist mean I have cancer?

The short answer is no, seeing a hematologist-oncologist does not necessarily mean you have cancer. Although Heme/Onc physicians primarily treat cancer, they also provide a variety of other types of medical care. Hematologist-oncologists may provide cancer screening tests to patients that have cancer in remission or that have finished treatment. They may also provide specialized care for individuals with high-risk cancer syndromes such as Von Hippel-Lindau or Lynch syndrome. They provide treatment and transfusions for blood disorders and oversee patient wellbeing during radiation treatment and after surgery. Lastly, they work hand in hand with other medical specialties to provide cancer and non-cancer-related patient care.

What is Hematology Oncology and what do Heme Onc specialists do? (5)What is Hematology Oncology and what do Heme Onc specialists do? (6)

What is the difference between Hematology and Oncology?

Hematology is the study of diseases that affect the blood and bone marrow. The most common conditions that hematology doctors provide treatment for include:

  • anemia
  • sickle cell disease
  • clotting disorders
  • factor V Leiden deficiency
  • hemophilia
  • blood cancers

Oncology is the study of cancers. Oncologists are doctors that help treat patients that have been diagnosed with cancer. They provide the following services:

  • chemotherapy treatment
  • immunotherapy
  • cancer screening
  • symptom management
  • test result monitoring
  • imaging scans ordering.

What training does a Heme Onc doctor have?

The educational path required to become a hematologist/oncologist is very rigorous. First, one must complete a college bachelor’s degree. This is followed by obtaining a medical degree from either an Osteopathic Medical Program (DO degree) or an Allopathic Medical program (MD degree) which takes four years to complete. Upon graduation, students are officially a Doctor but their training is not complete. After medical school, one must match into an internal medicine residency training program. Internal medicine residency lasts three years and after it is complete, one must apply for a hematology/oncology fellowship. Hematology oncology fellowship lasts three years. After completion of 6 years of post-medical school training, one can finally be called a hematologist/oncologist physician.

What is Hematology Oncology and what do Heme Onc specialists do? (7)What is Hematology Oncology and what do Heme Onc specialists do? (8)

What subspecialty fellowships are available for Heme-Onc Physicians?

There are a wide variety of additional subspecialty fellowship training opportunities that heme/onc cancer doctors can complete to continue to specialize further in the field of heme-onc medicine. The additional training, still termed a fellowship, takes place after internal medicine residency and heme/onc fellowship. Other fellowships for these blood and cancer doctors include but is not limited to:

  • Gynecological Oncology: Treating cancers that affect the female reproductive tract including ovaries, cervix, fallopian tubes, and uterus.

  • Pediatric Oncology: Treating cancers that particularly affect children such as retinoblastoma.

  • Neuro-Oncology: Treating cancers that affect the brain, meninges and nervous system.

  • Pediatric Hematology: Treating blood disorders and cancers that specifically affect children including leukemias.

  • Hemophilia Disorder: Treating inherited blood and bleeding disorders.

  • A heme/onc physician may also specialize in any portion of the body system such as lung oncology,liver oncology, cardiac oncology, bone and soft tissue oncology and GI oncology.

What is the average salary of a Hematology Oncologist?

According to the Journal of Oncology Practice, the United States will face a shortage of hematology and oncology MD doctors in the future if current cancer rates continue. While the supply of heme/onc MD doctors is expected to grow by 14%, the demand is projected to increase by 48%. This is due to growth in the aging population and an increasing number of cancer survivors. This potential shortage in practicing doctors indicates a good job market and strong job security for future hematology and oncology physicians. The salary for the cancer doctors varies by source but includes:

If you are interested in becoming a Hematologist-Oncologist or any other type of Physician, it all begins with getting your MD. Let UMHS St. Kitts help make your dreams of becoming a Physician come true! Start by downloading our Guide Book.

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UMHS St Kitts · What Is Hematology Oncology And What Do Heme Onc Specialists Do?
What is Hematology Oncology and what do Heme Onc specialists do? (9)

What is Hematology Oncology and what do Heme Onc specialists do? (10)

Posted byCallie Torres

Callie Torres is a resident physician working at a top tier institute in the Midwest. She is a freelance health and medical writer as well as an author of many peer reviewed medical articles. She additionally serves as a Captain in the United States Air Force.

What is Hematology Oncology and what do Heme Onc specialists do? (2025)

FAQs

What is Hematology Oncology and what do Heme Onc specialists do? ›

Oncology (on-KOL-uh-jee) is the medical specialty that studies and treats cancer. Hematology-oncology (often called hem-onc) is the study, diagnosis, treatment, and prevention of blood diseases and cancer.

What does a hematology oncology doctor do? ›

A hematologist oncologist is a doctor who specializes in treating cancers of the blood. They have extra training in the blood system, lymphatic system, bone marrow, and cancers. The term “hematologist oncologist” comes from two different types of doctors.

What does a heme onc do? ›

Hematology oncology combines two fields of medicine: hematology, which is the study of the blood, and oncology, the study and treatment of cancer. Hematologic oncologists are trained in the diagnosis, treatment and prevention of blood cancers and blood-related disorders.

Why would I be referred to hematology oncology? ›

Why would a patient see a hematologic oncologist? If blood cancer is suspected or has been diagnosed, the patient may want to consult a hematologic oncologist to determine a course of treatment for the disease. Hematological oncologists treat different blood cancers, including: Hodgkin lymphoma.

What diseases do hematologist oncologist treat? ›

Hematologist-oncologists treat blood cancers such as leukemia as well as non-malignant blood disorders.
  • Leukemia. ...
  • Myelodysplastic Syndrome. ...
  • Myeloproliferative Disease. ...
  • Bone Marrow Failure Syndromes. ...
  • Hodgkin Lymphoma (Hodgkin Disease) ...
  • Non-Hodgkin Lymphoma. ...
  • Multiple Myeloma.

Why would a doctor send you to a hematologist? ›

Does hematology mean cancer? No, seeing a hematologist doesn't mean you have cancer. Hematologists treat all kinds of blood diseases. You may see a hematologist if your primary care provider recommends you see a specialist because your blood tests show abnormal blood cell count or coagulation levels.

What is the most common hematology diagnosis? ›

What is the most common type of blood disorder? Anemia represents the most common type of noncancerous blood disorder. The U.S. Centers for Disease Control and Prevention estimates about 3 million people in the U.S. have some type of anemia. Anemia happens when you don't have enough healthy red blood cells.

What is the difference between a medical oncologist and a heme oncologist? ›

Oncology (on-KOL-uh-jee) is the medical specialty that studies and treats cancer. Hematology-oncology (often called hem-onc) is the study, diagnosis, treatment, and prevention of blood diseases and cancer.

How much do heme oncologists make in the US? ›

Average Full-Time Hematologist Oncologist Salary for 2024

The highest reported salaries were in the $1,250,000 a year range. The lowest reported salaries were in the $250,000 a year range. The median salary was $469,000.

How many years of residency do you need for heme ONC? ›

Fellowship candidates must have completed a three-year residency program in Internal Medicine that is recognized by ACGME and the ABIM. Applicants also should be able to demonstrate their interest in the subspecialties of hematology and oncology.

What main blood test is done in hematology? ›

Common hematology tests

Complete blood count (CBC), which includes: White blood cell count (WBC) Red blood cell count (RBC) Platelet count.

What are the three most common blood disorders? ›

Common blood disorders include anemia, bleeding disorders such as hemophilia, blood clots, and blood cancers such as leukemia, lymphoma, and myeloma. Talking to your doctor is the first step to take if you believe you may have a blood condition.

What to expect at the first appointment with a hematologist? ›

During your appointment, your hematologist will take the time to review your medical history, perform a physical examination, and order any necessary diagnostic tests.

What kind of physical exam does a hematologist do? ›

They examine the skin and mucous membranes (such as the inner surface of the eyelids or the mouth), looking for paleness, abnormal blood vessels (telangiectasias), bruises, small red, purple or brown spots, or rashes. They feel the neck, underarm, and groin areas for enlargement of lymph nodes.

What is the most common disorder of the blood in older adults? ›

Iron deficiency anemia and the anemia of chronic disease are the most common types of anemia in the elderly.

Why choose hematology oncology? ›

1. Why did you choose Hematology/oncology? This is such a special field to be in. Patients let you into the most intimate aspects of their lives, and often I have the privilege to help them through very difficult times.

Do hematologist oncologists perform surgery? ›

Hematologist oncologists do not perform surgery on cancers, instead, they provide medication to treat the conditions. Hematologist-oncologists primarily work in a clinic setting, however, they may also spend time in the hospital providing health care to hospitalized patients.

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