HW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Walker, Hematology / Oncology Specialist in Elmhurst, IL?
Dr. Hollis Walker, MD is a Hematology / Oncology Specialist, who primarily practices in Elmhurst, IL. He is board certified. Dr. Walker is fluent in English, and is currently seeing new patients. Dr. Walker’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Walker’s office at (331) 221-5900.
What languages does Dr. Walker speak?
Dr. Walker and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Walker treat?
As a Hematology / Oncology Specialist, Dr. Walker diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Walker. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Cancer Chemotherapy
- Cancer Immunotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
- Oncology immunotherapy
- Immune therapy for cancer
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
- Z5112: Encounter for antineoplastic immunotherapy
Also known as:
- Anemia
- Iron Deficiency Anemia
- Iron Deficiency Anemia from Chronic Blood Loss
- Iron
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
ICD-10 Codes:
- D649: Anemia, unspecified
- D509: Iron deficiency anemia, unspecified
- D500: Iron deficiency anemia secondary to blood loss (chronic)
- D508: Other iron deficiency anemias
Also known as:
- Cancer Follow-up Exam
- Cancer
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
Also known as:
- Monoclonal Gammopathy
- Secondary Polycythemia
- Blood Disorder
- Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
- MGUS
- Plasma Cell Disorder
- Gammopathy of Undetermined Significance
- High red blood cell count (secondary)
- Excess red blood cells (secondary)
- Acquired polycythemia
ICD-10 Codes:
- D472: Monoclonal gammopathy
- D751: Secondary polycythemia
Also known as:
- Essential Thrombocythemia
- Thrombocytopenia
- Platelet Disorder
- Essential thrombocythemia
- Chronic Myeloproliferative Neoplasms Treatment (PDQ)
- ET
- Primary Thrombocythemia
- Hemorrhagic Thrombocythemia
- Low platelet count
- Platelet deficiency
- Bleeding disorder
ICD-10 Codes:
- D473: Essential (hemorrhagic) thrombocythemia
- D696: Thrombocytopenia, unspecified
Also known as:
- Chronic Lymphocytic Leukemia
- Chronic Lymphocytic Leukemia Treatment (PDQ®)
- CLL
- B-cell chronic lymphocytic leukemia
- Lymphocytic leukemia
ICD-10 Codes:
- C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission
Also known as:
- Multiple Myeloma in Remission
- Multiple Myeloma
- Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
- Plasma Cell Myeloma in Remission', 'Kahler's Disease in Remission
- Myeloma in Remission
ICD-10 Codes:
- C9001: Multiple myeloma in remission
Also known as:
- Deep Vein Thrombosis
- DVT
- Blood Clot in Leg
- Pulmonary Embolism
ICD-10 Codes:
- Z86718: Personal history of other venous thrombosis and embolism
Also known as:
- Endocrine and Metabolic Disorder
- Endocrine Disease
- Metabolic Disorder
- Hormone Disorders
- Metabolic Syndrome
- Nutritional Deficiencies
ICD-10 Codes:
- Z8639: Personal history of other endocrine, nutritional and metabolic disease
Also known as:
- Myelodysplastic Syndrome
- Myelodysplastic Syndromes
- Myelodysplastic Syndromes Treatment (PDQ®)
- MDS
- Preleukemia
- Bone marrow failure disorder
ICD-10 Codes:
- D469: Myelodysplastic syndrome, unspecified
Also known as:
- Polycythemia vera
- Bone Marrow Disease
- Chronic Myeloproliferative Neoplasms Treatment (PDQ)
- PV
- Primary polycythemia
- Erythremia
ICD-10 Codes:
- D45: Polycythemia vera
Also known as:
- Pancreatic Cancer
- Pancreas Cancer
- Malignant Pancreatic Tumor
- Pancreatic Carcinoma
ICD-10 Codes:
- C259: Malignant neoplasm of pancreas, unspecified
Also known as:
- Other Abnormal Immune System Markers
- Unusual immune findings
- Abnormal immunology results
- Abnormal serum immunology
ICD-10 Codes:
- R768: Other specified abnormal immunological findings in serum
Also known as:
- Long-Term Blood Thinner Use
- Blood Thinners
- Chronic anticoagulant therapy
- Ongoing blood thinner treatment
- Anticoagulant medication use
ICD-10 Codes:
- Z7901: Long term (current) use of anticoagulants
Which procedures does Dr. Walker perform as a Hematology / Oncology Specialist?
As a Hematology / Oncology Specialist, procedures performed by a Dr. Hollis Walker may include:
- 3D Conformal Radiotherapy
- Adaptive Radiation Therapy (ART)
- Adrenalectomy
- Blood Thinning Therapy / Anticoagulation
- Blood Transfusion Consultation
- Blood Transfusion Follow Up
- Bone Excision
- Bone Grafting
For detailed information, please contact Dr. Walker's office.
Does Dr. Walker accept my insurance?
Dr. Walker accepts most major insurance plans. Important: Please call our office at (331) 221-5900 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Walker accept in Elmhurst, IL?
Dr. Walker in Elmhurst, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Humana
Medicare
Northshore University Healthsystem
State of Illinois
UnitedHealthcare
View All Insurances
Where is Dr. Walker's office located?
Dr. Hollis Walker's Primary Practice
155 E Brush Hill Rd
Elmhurst, IL 60126
(331) 221-5900
What is Dr. Walker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Walker's National Provider Identifier (NPI) number is 1053622290.
What common questions do patients ask about Dr. Walker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Walker
What is Dr. Hollis Walker's specialty?
Dr. Walker is a Hematology / Oncology Specialist near Elmhurst, IL. An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available. Contact Dr. Walker to book an appointment today.
Is this Dr. Hollis Walker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Walker is affiliated with Endeavor Health Elmhurst Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Hematology / Oncology Specialist?
Explore Hematology / Oncology Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Hollis Walker accepting new patients in Elmhurst, IL?
Yes, Dr. Hollis Walker is accepting new patients at this time.
Does Dr. Hollis Walker offer online booking?
Please contact Dr. Walker's office at (331) 221-5900 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Hollis Walker?
Please contact Dr. Walker's office at (331) 221-5900 for information regarding telehealth appointment availability or for scheduling assistance.
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