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Dr. John Abad, MD

Dr. John Abad, MD

Warrenville, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Abad, Surgical Oncologist in Warrenville, IL?

    Dr. John Abad, MD is a Surgical Oncologist, who primarily practices in Warrenville, IL. Dr. Abad graduated from NWU FEINBERG SCH OF MEDICINE. Dr. Abad is fluent in English, and is currently seeing new patients. Dr. Abad’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Abad’s office at (815) 759-8100.

    Where did Dr. Abad go to medical school and complete their residency?

    • Medical School: NWU FEINBERG SCH OF MEDICINE

    What languages does Dr. Abad speak?

    Dr. Abad and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Surgical Oncologist like Dr. Abad typically treat?

    As a Surgical Oncologist, Dr. Abad 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. Abad. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum
    • Malignant neoplasm of colon
    • Appendix Cancer
    • Colon Cancer
    • Bowel Cancer
    • Colorectal Carcinoma

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum
    • C189: Malignant neoplasm of colon, unspecified
    • C181: Malignant neoplasm of appendix

    Also known as:

    • Pancreatic Cyst
    • Pancreatic Disease
    • Cyst on Pancreas
    • Pancreatic Pseudocyst
    • Fluid Sac on Pancreas

    ICD-10 Codes:

    • K862: Cyst of pancreas

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Pancreatic Cancer
    • Pancreas Cancer
    • Malignant Pancreatic Tumor
    • Pancreatic Carcinoma

    ICD-10 Codes:

    • C259: Malignant neoplasm of pancreas, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    What procedures does a Surgical Oncologist like Dr. Abad typically perform?

    As a Surgical Oncologist, Dr. Abad performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Abad. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Laparoscopic Biopsy
    • Minimally Invasive Biopsy
    • Peritoneal Biopsy
    • Abdominal Biopsy via Laparoscopy

    CPT Codes:

    • 49321: Laparoscopy, surgical; with biopsy (single or multiple)

    Also known as:

    • Diagnostic Laparoscopy of Abdomen
    • Exploratory Laparoscopy
    • Abdominal Scope
    • Peritoneal Biopsy
    • Omentum Biopsy

    CPT Codes:

    • 49320: Laparoscopy, abdomen, peritoneum, and omentum, diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)

    Also known as:

    • Anoscopy with Biopsy
    • Biopsy
    • Anoscopy
    • Anal Scope with Tissue Sample
    • Rectal Biopsy
    • Anorectal Exam with Biopsy

    CPT Codes:

    • 46606: Anoscopy; with biopsy, single or multiple

    Also known as:

    • Large Malignant Skin Lesion Removal
    • Skin Cancer Excision
    • Large Malignant Growth Removal
    • Wide Excision of Skin Cancer
    • Trunk/Limb Skin Cancer Surgery

    CPT Codes:

    • 11606: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter over 4.0 cm

    Also known as:

    • Intermediate Wound Repair (Scalp, Body, Limbs)
    • Wounds and Injuries
    • Complex Wound Closure
    • Deep Wound Stitching
    • Surgical Wound Repair

    CPT Codes:

    • 12034: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 7.6 cm to 12.5 cm

    Does Dr. Abad accept my insurance?

    Dr. Abad accepts most major insurance plans. Important: Please call our office at (815) 759-8100 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Abad accept in Warrenville, IL?

    Dr. Abad in Warrenville, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • Cook County Health & Hospitals System

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • State of Illinois

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Abad's office located?

    Dr. John Abad's Primary Practice

    4405 Weaver Pkwy

    Warrenville, IL 60555

    (815) 759-8100

    Get Directions

    What is Dr. Abad's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Abad's National Provider Identifier (NPI) number is 1578722336.

    What common questions do patients ask about Dr. Abad?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Abad

    What is Dr. John Abad's specialty?

    Dr. Abad is a Surgical Oncologist near Warrenville, IL.

    What does a Surgical Oncologist do?

    A surgical oncologist is a highly qualified and trained surgeon with specialized expertise in the prevention, diagnosis, treatment, and rehabilitation of cancer patients. They have received additional training in a multidisciplinary approach and dedicate a significant portion of their practice to these areas, as well as to cancer research.

    Is this Dr. John Abad affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Abad is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Delnor Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Mchenry Hospital, Northwestern Medicine Lake Forest Hospital 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

    When to see a Surgical Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Surgical Oncologist. Explore 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 John Abad accepting new patients in Warrenville, IL?

    Yes, Dr. John Abad is accepting new patients at this time.

    Does Dr. John Abad offer online booking?

    Please contact Dr. Abad's office at (815) 759-8100 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with John Abad?

    Please contact Dr. Abad's office at (815) 759-8100 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>