Thomas L. Ortel
Experienced in Hemolytic Anemia

Dr. Thomas L. Ortel

Hematology
Duke Health
Duke Hematology Clinic - Clinic 1E
40 Duke Medicine Cir, 
Durham, NC 
On Staff At
Accepting New Patients
Offers Telehealth

Experienced in Hemolytic Anemia
Duke Health
Duke Hematology Clinic - Clinic 1E
40 Duke Medicine Cir, 
Durham, NC 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

I primarily see patients who have a variety of rare bleeding and clotting disorders. I see both older and younger patients and also provide help when patients need to transition to and away from blood thinners. Doctors usually refer patients to me. I try to work with each patient so they understand why they are seeing me and what is going on with their body. I enjoy when a patient can leave my office with a complete understanding of what is going on and what they need to do to get better. As a young child, I had bad allergies and spent much time in the doctor’s office. As a frequent patient, I enjoyed spending time around medicine. As I entered college, I found that I enjoyed chemistry and that hematology allowed me to combine lab work with patient care.

Dr. Ortel is rated as an Experienced provider by MediFind in the treatment of Hemolytic Anemia. His top areas of expertise are Venous Thromboembolism (VTE), Antiphospholipid Syndrome, Thrombocytopenia, Deep Vein Thrombosis, and Thalamotomy.

His clinical research consists of co-authoring 167 peer reviewed articles and participating in 6 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 3 articles in the study of Hemolytic Anemia.

Specialties
Hematology
Licenses
Internal Medicine in NC
Board Certifications
American Board Of Internal Med, Hematology
American Board Of Internal Med, Internal Medicine
Fellowships
Hematology-Oncology, Duke University Medical Center
Hospital Affiliations
Duke Regional Hospital
Duke University Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
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Alignment Health Plan
  • MEDICARE MAPD
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Ambetter
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Anthem
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Blue Cross Blue Shield
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Cigna
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FirstCarolinaCare
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Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
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Highmark
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Horizon Healthcare
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Humana
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Meridian Choice
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  • OTHER MEDICARE
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Piedmont
  • HMO
  • POS
Premera Blue Cross
  • INSURANCE PLAN
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TeamCare
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UnitedHealthcare
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Walgreens
  • MEDICARE DISCOUNT CARD
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Wellcare
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View 16 Less Insurance Carriers -

Locations

Duke Hematology Clinic - Clinic 1E
40 Duke Medicine Cir, Durham, NC 27710
Call: 919-684-5350

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


6 Clinical Trials

A Phase III, Randomized, Controlled, Double-Blind Study Evaluating the Safety of Two Doses of Apixaban for Secondary Prevention of Cancer Related Venous Thrombosis in Subjects Who Have Completed at Least Six Months of Anticoagulation Therapy
A Phase III, Randomized, Controlled, Double-Blind Study Evaluating the Safety of Two Doses of Apixaban for Secondary Prevention of Cancer Related Venous Thrombosis in Subjects Who Have Completed at Least Six Months of Anticoagulation Therapy
Enrollment Status: Completed
Publish Date: May 18, 2025
Intervention Type: Drug
Study Drug: Apixaban
Study Phase: Phase 3
A Phase 3, Prospective, Randomized, Controlled, Open-label, Multicenter, 2 Period Crossover Study With a Single Arm Continuation Evaluating the Safety And Efficacy of BAX 930 (rADAMTS13) in the Prophylactic And On-demand Treatment of Subjects With Severe Congenital Thrombotic Thrombocytopenic Purpura (cTTP, Upshaw-Schulman Syndrome [USS], Hereditary Thrombotic Thrombocytopenic Purpura [hTTP])
A Phase 3, Prospective, Randomized, Controlled, Open-label, Multicenter, 2 Period Crossover Study With a Single Arm Continuation Evaluating the Safety And Efficacy of BAX 930 (rADAMTS13) in the Prophylactic And On-demand Treatment of Subjects With Severe Congenital Thrombotic Thrombocytopenic Purpura (cTTP, Upshaw-Schulman Syndrome [USS], Hereditary Thrombotic Thrombocytopenic Purpura [hTTP])
Enrollment Status: Completed
Publish Date: March 19, 2025
Intervention Type: Biological
Study Drug: BAX930
Study Phase: Phase 3
Apixaban for the Secondary Prevention of Thromboembolism: a Prospective Randomized Outcome Pilot Study Among Patients With the AntiphosPholipid Syndrome
Apixaban for the Secondary Prevention of Thromboembolism: a Prospective Randomized Outcome Pilot Study Among Patients With the AntiphosPholipid Syndrome
Enrollment Status: Completed
Publish Date: September 28, 2023
Intervention Type: Drug
Study Drugs: Apixaban, Warfarin
Study Phase: Phase 4
Open-Label, Randomised, Active Controlled, Multi-Centre Ph 3 Study to Evaluate the Safety and Efficacy of Danaparoid vs Argatroban in Acute HIT
Open-Label, Randomised, Active Controlled, Multi-Centre Ph 3 Study to Evaluate the Safety and Efficacy of Danaparoid vs Argatroban in Acute HIT
Enrollment Status: Terminated
Publish Date: December 08, 2022
Intervention Type: Drug
Study Phase: Phase 3
Prospective and Retrospective, Non-interventional Study to Evaluate the Safety and Effectiveness of Obizur in Real-life Practice
Prospective and Retrospective, Non-interventional Study to Evaluate the Safety and Effectiveness of Obizur in Real-life Practice
Enrollment Status: Completed
Publish Date: July 21, 2022
Intervention Type: Biological
Adjuvant Low Dose Rituximab for Acquired TTP With Severe ADAMTS13 Deficiency
Adjuvant Low Dose Rituximab for Acquired TTP With Severe ADAMTS13 Deficiency
Enrollment Status: Completed
Publish Date: August 17, 2021
Intervention Type: Biological
Study Phase: Phase 2
View 5 Less Clinical Trials

167 Total Publications

Anticoagulation in malignancy: the patient who bleeds and clots simultaneously.
Anticoagulation in malignancy: the patient who bleeds and clots simultaneously.
Journal: Hematology. American Society of Hematology. Education Program
Published: December 05, 2025
View All 167 Publications
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Marilyn Telen is a Hematologist in Durham, North Carolina. Dr. Telen is rated as an Elite provider by MediFind in the treatment of Hemolytic Anemia. Her top areas of expertise are Sickle Cell Disease, Congenital Hemolytic Anemia, Hemoglobinopathy, and Hemolytic Anemia. Dr. Telen is currently accepting new patients.

Elite in Hemolytic Anemia
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Jane Little is a Hematologist Oncology specialist and a Hematologist in Chapel Hill, North Carolina. Dr. Little is rated as an Elite provider by MediFind in the treatment of Hemolytic Anemia. Her top areas of expertise are Sickle Cell Disease, Congenital Hemolytic Anemia, Hemoglobinopathy, Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. Little is currently accepting new patients.

Nirmish R. Shah
Elite in Hemolytic Anemia
Dr. Nirmish R. Shah
Hematology | Pediatrics
Elite in Hemolytic Anemia
Dr. Nirmish R. Shah
Hematology | Pediatrics

Duke Adult Comprehensive Sickle Cell Center - Clinic 2N

40 Duke Medicine Cir, 
Durham, NC 
 (0.1 miles away)
919-684-6464
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

As director of Duke’s sickle cell transition program, my practice and research focuses on treating children and adults with sickle cell disease. When I work with children, I try to focus on teaching them about their condition and how to transition successfully to living with the disease as an adult. For all patients, I focus on providing the medical, social and psychological support they need to remain healthy. My research aims to increase engagement of sickle cell patients with their own care using mobile technology. Through the use of applications, we’re hoping to help patients, specifically children, better manage their symptoms and medications. Outside of work, I have a strong interest in art. In fact, one of my undergraduate majors was biological illustration. I enjoy drawing plants, animals and people. I’ve recently started getting back into this hobby. Dr. Shah is rated as a Distinguished provider by MediFind in the treatment of Hemolytic Anemia. His top areas of expertise are Sickle Cell Disease, Congenital Hemolytic Anemia, Hemoglobinopathy, Hemolytic Anemia, and Bone Marrow Transplant.

VIEW MORE HEMOLYTIC ANEMIA DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Ortel's expertise for a condition
ConditionClose
  • Elite
  • Antiphospholipid Syndrome
    Dr. Ortel is
    Elite
    . Learn about Antiphospholipid Syndrome.
    See more Antiphospholipid Syndrome experts
  • Thrombocytopenia
    Dr. Ortel is
    Elite
    . Learn about Thrombocytopenia.
    See more Thrombocytopenia experts
  • Venous Thromboembolism (VTE)
    Dr. Ortel is
    Elite
    . Learn about Venous Thromboembolism (VTE).
    See more Venous Thromboembolism (VTE) experts
  • Distinguished
  • Deep Vein Thrombosis
    Dr. Ortel is
    Distinguished
    . Learn about Deep Vein Thrombosis.
    See more Deep Vein Thrombosis experts
  • Pulmonary Embolism
    Dr. Ortel is
    Distinguished
    . Learn about Pulmonary Embolism.
    See more Pulmonary Embolism experts
  • Advanced
  • Adult Immune Thrombocytopenia
    Dr. Ortel is
    Advanced
    . Learn about Adult Immune Thrombocytopenia.
    See more Adult Immune Thrombocytopenia experts
  • Anemia
    Dr. Ortel is
    Advanced
    . Learn about Anemia.
    See more Anemia experts
  • Blood Clots
    Dr. Ortel is
    Advanced
    . Learn about Blood Clots.
    See more Blood Clots experts
  • Essential Thrombocythemia
    Dr. Ortel is
    Advanced
    . Learn about Essential Thrombocythemia.
    See more Essential Thrombocythemia experts
  • Febrile Neutropenia
    Dr. Ortel is
    Advanced
    . Learn about Febrile Neutropenia.
    See more Febrile Neutropenia experts
  • Hemangioma Thrombocytopenia Syndrome
    Dr. Ortel is
    Advanced
    . Learn about Hemangioma Thrombocytopenia Syndrome.
    See more Hemangioma Thrombocytopenia Syndrome experts
View All 19 Advanced Conditions
  • Experienced
  • Acquired Hemophilia
    Dr. Ortel is
    Experienced
    . Learn about Acquired Hemophilia.
    See more Acquired Hemophilia experts
  • Acute Eosinophilic Pneumonia
    Dr. Ortel is
    Experienced
    . Learn about Acute Eosinophilic Pneumonia.
    See more Acute Eosinophilic Pneumonia experts
  • Acute Hepatic Porphyria (AHP)
    Dr. Ortel is
    Experienced
    . Learn about Acute Hepatic Porphyria (AHP).
    See more Acute Hepatic Porphyria (AHP) experts
  • Agranulocytosis
    Dr. Ortel is
    Experienced
    . Learn about Agranulocytosis.
    See more Agranulocytosis experts
  • Arterial Embolism
    Dr. Ortel is
    Experienced
    . Learn about Arterial Embolism.
    See more Arterial Embolism experts
  • Atypical Hemolytic Uremic Syndrome (aHUS)
    Dr. Ortel is
    Experienced
    . Learn about Atypical Hemolytic Uremic Syndrome (aHUS).
    See more Atypical Hemolytic Uremic Syndrome (aHUS) experts
View All 34 Experienced Conditions
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