Dr. Willem van Heeckeren
- Gender: Male
- Experience: 19 years
- Graduated from: Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
- Graduation year: 2002
- Sole propriator: No
- NPI: 1306931761
Dr. Willem van Heeckeren MD
Hematology and Oncology Specialist
He is located at 11100 Euclid Avenue in Cleveland, OH 44106. Can help patients with the following: Atherosclerosis, Hepatitis C (HCV), Hiatal Hernia, Idiopathic Thrombocytopenic Purpura (ITP), Osteoporosis, Toxoplasmosis. His National Provider Identifier (NPI) number is 1306931761. Appointment can be made via the phone number (440) 205-5792. He is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. Willem Vanheeckeren, being an hematology and oncology specialist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Willem van Heeckeren.
- Abdominal Pain
- Acquired Immunodeficiency Syndrome (AIDS)
- Acute Pain
- Anemia
- Anthrax
- Arthritis
- Asthma
- Atherosclerosis
- Bacterial Vaginosis
- Beta Thalassemia
- Bladder Control
- Blood Clots
- Boils
- Bone Cancer
- Botulism
- Bronchitis
- Brucellosis
- Cancer
- Candida Auris
- Cat Scratch Disease
- Cellulitis
- Chagas Disease
- Chest Pain
- Chickenpox
- Chlamydia
- Cholecystitis
- Cholera
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Rhinitis
- Common Cold
- Constipation
- Coronavirus
- Cryptococcosis
- Cystitis
- Cytomegalovirus (CMV)
- Deep Vein Thrombosis (DVT)
- Dengue Fever
- Diarrhea
- Diphtheria
- E. Coli Infection
- Eastern Equine Encephalitis (EEE)
- Ebola Hemorrhagic Fever
- Edema
- Encephalitis
- Endocarditis
- Epididymitis
- Fever
- Fifth Disease
- Food Poisoning
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Genital Herpes
- Giardiasis
- Gonorrhea
- Guinea Worm Disease
- Hand, Foot, and Mouth Disease (HFMD)
- Headache
- Heart Disease
- Helicobacter Pylori Infection
- Hemophilia
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Herpes Simplex Virus
- Hiatal Hernia
- High Blood Pressure
- Histoplasmosis
- Hodgkin's Disease
- Hot Flashes
- Human Immunodeficiency Virus (HIV)
- Human Papillomavirus (HPV)
- Hyperlipidemia
- Hyponatremia
- Idiopathic Thrombocytopenic Purpura (ITP)
- Impetigo
- Infectious Diseases
- Infectious Mononucleosis
- Influenza
- Inguinal Hernia
- Leishmaniasis
- Leprosy
- Leptospirosis
- Leukemia
- Listeriosis
- Lyme Disease
- Mad Cow Disease
- Malaria
- Measles
- Meningitis
- Migraine
- Multiple Myeloma
- Mumps
- Nail Fungus
- Nausea and Vomiting
- Necrotizing Fasciitis (NF)
- Neutropenia
- Non-Hodgkin's Lymphoma (NHL)
- Obesity
- Osteomyelitis
- Osteoporosis
- Peptic Ulcer
- Pernicious Anemia
- Pinworm Infection
- Pityriasis Rosea
- Pneumonia
- Polio
- Polycythemia
- Prescription Refill
- Pulmonary Embolism (PE)
- Rabies
- Rocky Mountain Spotted Fever (RMSF)
- Roseola
- Rubella
- Salmonella Food Poisoning
- Scabies
- Scarlet Fever
- Schistosomiasis
- Sepsis
- Severe Acute Respiratory Syndrome (SARS)
- Sexually Transmitted Diseases (STDs)
- Sickle Cell Anemia
- Smallpox
- Sore Throat
- Staph Infection
- Stomach Flu
- Strep Throat
- Swine Flu
- Syphilis
- Tetanus
- Thalassemia
- Thrombocytopenia
- Thrush
- Tonsillitis
- Toxic Shock Syndrome (TSS)
- Toxoplasmosis
- Trichinosis
- Tuberculosis (TB)
- Typhoid Fever
- Upper Respiratory Infection (URI)
- Urethritis
- Urinary Tract Infection (UTI)
- Valley Fever
- Viral Hemorrhagic Fever (VHF)
- West Nile Virus
- Whooping Cough
- Yaws
- Yeast Infection
- Yellow Fever
- Zika Virus
Procedures Performed by Dr. Willem van Heeckeren
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Willem van Heeckeren as in-network for the following 2026 plans.
Health plans
Ambetter from Buckeye Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Buckeye Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Clear Gold | HMO · Gold | Preferred | Accepting new patients |
| Clear Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Oscar Insurance Corporation of Ohio
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Oscar Insurance Corporation of Ohio
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic PCP Saver | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple HSA | Cleveland Clinic | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite | Cleveland Clinic | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite Saver Plus | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | Cleveland Clinic | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Willem van Heeckeren is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Willem van Heeckeren is enrolled to bill Medicare as a Practitioner - Hematology/oncology (also registered under: Practitioner - Internal Medicine, Practitioner - Infectious Disease, Practitioner - Hematology) .
Bills through: The Cleveland Clinic Foundation
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Alexion Pharmaceuticals | $311 |
| Celgene | $258 |
| Seattle Genetics | $253 |
Other
| Food and Beverage | $3586 |
Studies
CLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated in 2002Additional Specialities
- Hematologist
- Infectious Disease Specialist
- Internist
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Questions & Answers
Does Dr. Willem Vanheeckeren have affiliation with practices?
Dr. Willem Vanheeckeren is affiliated with Lake Health-University Hospitals Seidman Cancer Center Physicians.
Does Dr. Willem Vanheeckeren accept patients with Oscar Insurance Corporation of Ohio?
Yes, Dr. Willem Vanheeckeren is listed in-network for Oscar Insurance Corporation of Ohio through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Willem Vanheeckeren treat?
Dr. Willem Vanheeckeren provides treatment for Atherosclerosis, Hepatitis C (HCV), Hiatal Hernia, Idiopathic Thrombocytopenic Purpura (ITP), Osteoporosis, Toxoplasmosis. For the full list see this list.
Has Dr. Willem Vanheeckeren affiliation with hospitals?
Dr. Willem Vanheeckeren is affiliated with LAKE HEALTH. For the full list of hospitals see this list.
Where can you meet with Dr. Willem Vanheeckeren?
Dr. Willem Vanheeckeren's office is located at 11100 Euclid Avenue in Cleveland, OH 44106.