24 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Willis, Medical Oncologist in Lake Saint Louis, MO?
Dr. Maurice Willis, MD is a Medical Oncologist, who primarily practices in Lake Saint Louis, MO with 2 additional practice locations. He has been practicing for over 24 years and is board certified by the American Board of Internal Medicine. Dr. Willis completed his residency at University of Texas Medical Branch at Galveston and Affiliated Hospitals. Dr. Willis is fluent in English, and is currently seeing new patients. Dr. Willis’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Willis’s office at (409) 772-2222.
Where did Dr. Willis go to medical school and complete their residency?
Residency: University of Texas Medical Branch at Galveston and Affiliated Hospitals
Medical School: Morehouse University School of Medicine
Is Dr. Willis board certified in Medical Oncologist?
Yes, Dr. Maurice Willis, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Willis speak?
Dr. Willis and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Willis treat?
As a Medical Oncologist, Dr. Willis 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. Willis. 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:
- Lung Cancer
- Bronchial cancer
- Malignant neoplasm of lung
- Pulmonary cancer
- Right lung cancer
- Left Lung Cancer
- Bronchial Cancer
- Malignant Lung Tumor
- Right upper lobe lung cancer
- Upper Lobe Lung Cancer
- Left lower lobe lung cancer
ICD-10 Codes:
- C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung
- C3491: Malignant neoplasm of unspecified part of right bronchus or lung
- C3492: Malignant neoplasm of unspecified part of left bronchus or lung
- C3411: Malignant neoplasm of upper lobe, right bronchus or lung
- C3412: Malignant neoplasm of upper lobe, left bronchus or lung
- C3432: Malignant neoplasm of lower lobe, left bronchus or lung
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:
- Secondary Bone Cancer
- Secondary Brain Cancer
- Bone Cancer
- Brain Tumor
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
- Metastatic brain cancer
- Brain metastases
- Cancer spread to brain
ICD-10 Codes:
- C7951: Secondary malignant neoplasm of bone
- C7931: Secondary malignant neoplasm of brain
Also known as:
- Throat Cancer
- Oral Cancer
- Oropharyngeal Cancer
- Malignant Neoplasm of Oropharynx
- Pharyngeal Cancer
- Tonsil Cancer
- Malignant Neoplasm of Tonsil
ICD-10 Codes:
- C109: Malignant neoplasm of oropharynx, unspecified
- C099: Malignant neoplasm of tonsil, unspecified
Also known as:
- Other Specified Aftercare
- Specific post-op care
- Specialized recovery care
- Follow-up for specific procedures
ICD-10 Codes:
- Z5189: Encounter for other specified aftercare
Also known as:
- Breast Cancer
- Mammary cancer
- Breast carcinoma
- Breast tumor
ICD-10 Codes:
- C50912: Malignant neoplasm of unspecified site of left female breast
Also known as:
- Vascular Access Device Management
- Vascular Access Care
- Port Management
- Catheter Care
ICD-10 Codes:
- Z452: Encounter for adjustment and management of vascular access device
Also known as:
- Liver Cancer
- Childhood Liver Cancer
- Hepatic Cancer
- Hepatocellular Carcinoma
ICD-10 Codes:
- C220: Liver cell carcinoma
Also known as:
- Esophageal Cancer
- Esophagus Cancer
- Esophageal Carcinoma
ICD-10 Codes:
- C159: Malignant neoplasm of esophagus, unspecified
Also known as:
- Neuroendocrine Tumor
- Cancer
- Endocrine Disease
- Malignant NET
- Neuroendocrine Cancer
- NET Cancer
ICD-10 Codes:
- C7A8: Other malignant neuroendocrine tumors
Also known as:
- Multiple Myeloma
- Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
- Active multiple myeloma
- Untreated multiple myeloma
- Plasma cell myeloma
ICD-10 Codes:
- C9000: Multiple myeloma not having achieved remission
Also known as:
- Drug-Induced Hypothyroidism
- Hypothyroidism
- Medication-Caused Underactive Thyroid
- Exogenous Hypothyroidism
ICD-10 Codes:
- E032: Hypothyroidism due to medicaments and other exogenous substances
Which procedures does Dr. Willis perform as a Medical Oncologist?
As a Medical Oncologist, procedures performed by a Dr. Maurice Willis 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. Willis' office.
Does Dr. Willis accept my insurance?
Dr. Willis accepts most major insurance plans. Important: Please call our office at (409) 772-2222 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Willis accept in Lake Saint Louis, MO?
Dr. Willis in Lake Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Michigan
Christian Healthcare Ministries
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Molina
State of Illinois
State of Missouri
UnitedHealthcare
View All Insurances
Where is Dr. Willis' office located?
Dr. Maurice Willis' Primary Practice
400 Medical Plz Ste 10
Lake Saint Louis, MO 63367
(409) 772-2222
What is Dr. Willis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Willis's National Provider Identifier (NPI) number is 1942369319.
What common questions do patients ask about Dr. Willis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Willis
What is Dr. Maurice Willis's specialty?
Dr. Willis is a Medical Oncologist near Lake Saint Louis, MO. An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options. Contact Dr. Willis to book an appointment today.
Is this Dr. Maurice Willis affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Willis is affiliated with Ssm Health Depaul Hospital - St. Louis, Ssm Health St. Joseph Hospital - Lake Saint Louis which are a Castle Connolly Top Hospitals. 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 Medical Oncologist?
Explore Medical Oncologist 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 Maurice Willis accepting new patients in Lake Saint Louis, MO?
Yes, Dr. Maurice Willis is accepting new patients at this time.
Does Dr. Maurice Willis offer online booking?
Please contact Dr. Willis's office at (409) 772-2222 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Maurice Willis?
Please contact Dr. Willis's office at (409) 772-2222 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Maurice Willis have?
Dr. Maurice Willis is certified by the American Board of Internal Medicine.
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