John D. Abad
Advanced in Mesenchymoma

Dr. John D. Abad

Surgical Oncology
Northwestern Medicine Regional Medical Group
25 N Winfield Rd Ste 2202, 
Winfield, IL 
Offers Telehealth
24 Years of Experience
Advanced in Mesenchymoma
Northwestern Medicine Regional Medical Group
25 N Winfield Rd Ste 2202, 
Winfield, IL 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

John Abad is a Surgical Oncologist in Winfield, Illinois. Dr. Abad has been practicing medicine for over 24 years and is rated as an Advanced provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Stomach Cancer, Pancreatectomy, and Small Bowel Resection.

His clinical research consists of co-authoring 17 peer reviewed articles and participating in 8 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Northwestern University Feinberg School Of Medicine, 2002.0
Residency
Indiana University School of Medicine
Specialties
Surgical Oncology
Licenses
Surgery in IL
Board Certifications
American Board Of Surgery - Surgery (Certified)
Fellowships
National Institutes of Health Clinical Center
Hospital Affiliations
Northwestern Medicine Delnor Community Hospital
Northwestern Medicine Central Dupage Hospital
Languages Spoken
English
Gender
Male

Insurance

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

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 1 Less Insurance Carrier -

Locations

25 N Winfield Rd Ste 2202, Winfield, IL 60190
Call: 847-535-6150

Additional Areas of Focus

Dr. Abad has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Esophageal Cancer

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.

8 Clinical Trials

Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Randomized Phase II Study of 2nd Line FOLFIRI Versus Modified FOLFIRI With PARP Inhibitor ABT-888 (Veliparib) (NSC-737664) in Metastatic Pancreatic Cancer
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Drug, Other
Study Drugs: Fluorouracil, Irinotecan Hydrochloride, Leucovorin Calcium, Veliparib
Study Phase: Phase 2
A Phase III Randomized Trial Comparing Physician/Patient Choice of Either High Dose Interferon or Ipilimumab to MK-3475 (Pembrolizumab) in Patients With High Risk Resected Melanoma
A Phase III Randomized Trial Comparing Physician/Patient Choice of Either High Dose Interferon or Ipilimumab to MK-3475 (Pembrolizumab) in Patients With High Risk Resected Melanoma
Enrollment Status: Active_not_recruiting
Publish Date: November 10, 2025
Intervention Type: Other, Procedure, Biological
Study Drugs: Ipilimumab, Pembrolizumab, Recombinant Interferon Alfa-2b
Study Phase: Phase 3
A Phase III Randomized Trial of Gemcitabine, Cisplatin, and Nab-Paclitaxel Versus Gemcitabine and Cisplatin in Newly Diagnosed, Advanced Biliary Tract Cancers
A Phase III Randomized Trial of Gemcitabine, Cisplatin, and Nab-Paclitaxel Versus Gemcitabine and Cisplatin in Newly Diagnosed, Advanced Biliary Tract Cancers
Enrollment Status: Completed
Publish Date: June 11, 2025
Intervention Type: Drug
Study Drugs: Cisplatin, Gemcitabine, Nab-Paclitaxel
Study Phase: Phase 3
Impact of Early FDG-PET Directed Intervention on Preoperative Therapy for Locally Advanced Gastric Cancer: A Random Assignment Phase II Study
Impact of Early FDG-PET Directed Intervention on Preoperative Therapy for Locally Advanced Gastric Cancer: A Random Assignment Phase II Study
Enrollment Status: Terminated
Publish Date: January 20, 2025
Intervention Type: Drug, Radiation, Procedure
Study Phase: Phase 2
Duloxetine to Prevent Oxaliplatin-Induced Chemotherapy-Induced Peripheral Neuropathy: a Randomized, Double-Blind, Placebo-Controlled Phase II to Phase III Study
Duloxetine to Prevent Oxaliplatin-Induced Chemotherapy-Induced Peripheral Neuropathy: a Randomized, Double-Blind, Placebo-Controlled Phase II to Phase III Study
Enrollment Status: Active_not_recruiting
Publish Date: January 17, 2025
Intervention Type: Other, Drug
Study Drugs: Oxaliplatin, Duloxetine Hydrochloride, Duloxetine
Study Phase: Phase 2/Phase 3
A Phase II Study of MLN0128 (TAK-228) in Rapalog-Resistant Advanced Pancreatic Neuroendocrine Tumors (PNET)
A Phase II Study of MLN0128 (TAK-228) in Rapalog-Resistant Advanced Pancreatic Neuroendocrine Tumors (PNET)
Enrollment Status: Completed
Publish Date: October 17, 2023
Intervention Type: Drug
Study Drug: Sapanisertib
Study Phase: Phase 2
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
A Randomized Phase II Study of Perioperative mFOLFIRINOX Versus Gemcitabine/Nab-Paclitaxel as Therapy for Resectable Pancreatic Adenocarcinoma
Enrollment Status: Completed
Publish Date: October 19, 2022
Intervention Type: Drug, Procedure
Study Drugs: Fluorouracil, Gemcitabine hydrochloride, Irinotecan hydrochloride, Oxaliplatin, Paclitaxel albumin-stabilized nanoparticle formulation
Study Phase: Phase 2
Preoperative Extended Chemotherapy vs. Chemotherapy Plus Hypofractionated Radiation Therapy for Borderline Resectable Adenocarcinoma of the Head of the Pancreas
Preoperative Extended Chemotherapy vs. Chemotherapy Plus Hypofractionated Radiation Therapy for Borderline Resectable Adenocarcinoma of the Head of the Pancreas
Enrollment Status: Unknown
Publish Date: May 24, 2022
Intervention Type: Drug, Procedure, Radiation
Study Drugs: mFOLFIRINOX, FOLFOX
Study Phase: Phase 2
View 7 Less Clinical Trials

17 Total Publications

Trends and outcomes for patients receiving neoadjuvant therapy for stage I to III gastric gastrointestinal stromal tumors.
Trends and outcomes for patients receiving neoadjuvant therapy for stage I to III gastric gastrointestinal stromal tumors.
Journal: Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract
Published: March 24, 2025
View All 17 Publications
Similar Doctors
Jeffrey D. Wayne
Distinguished in Mesenchymoma
Dr. Jeffrey D. Wayne
Surgical Oncology | General Surgery
Distinguished in Mesenchymoma
Dr. Jeffrey D. Wayne
Surgical Oncology | General Surgery
675 N St Clair St Ste 21-100, Galter Pavilion, 
Chicago, IL 
 (28.0 miles away)
866-587-4322
Experience:
34+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Jeffrey Wayne is a Surgical Oncologist and a General Surgeon in Chicago, Illinois. Dr. Wayne has been practicing medicine for over 34 years and is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Melanoma, Gastrointestinal Stromal Tumor, Adult Soft Tissue Sarcoma, Lymphadenectomy, and Gastrectomy.

Distinguished in Mesenchymoma
Dr. Mitchell C. Posner
Surgical Oncology
Distinguished in Mesenchymoma
Dr. Mitchell C. Posner
Surgical Oncology

The University Of Chicago

5841 S Maryland Ave, 
Chicago, IL 
 (29.1 miles away)
773-702-1000
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Mitchell Posner is a Surgical Oncologist in Chicago, Illinois. Dr. Posner is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Stomach Cancer, Pancreatic Cancer, Gastrointestinal Stromal Tumor, Pancreaticoduodenectomy, and Pancreatectomy. Dr. Posner is currently accepting new patients.

Distinguished in Mesenchymoma
Dr. Malcolm M. Bilimoria
General Surgery | Surgical Oncology
Distinguished in Mesenchymoma
Dr. Malcolm M. Bilimoria
General Surgery | Surgical Oncology

Endeavor Health Medical Group

800 W Central Rd, 
Arlington Heights, IL 
 (16.0 miles away)
847-618-1000
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Malcolm Bilimoria is a General Surgeon and a Surgical Oncologist in Arlington Heights, Illinois. Dr. Bilimoria is rated as a Distinguished provider by MediFind in the treatment of Mesenchymoma. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Gallbladder Adenocarcinoma, Pancreatectomy, and Splenectomy. Dr. Bilimoria is currently accepting new patients.

VIEW MORE MESENCHYMOMA 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. Abad's expertise for a condition
ConditionClose
    • Distinguished
    • Colorectal Cancer
      Dr. Abad is
      Distinguished
      . Learn about Colorectal Cancer.
      See more Colorectal Cancer experts
    • Familial Colorectal Cancer
      Dr. Abad is
      Distinguished
      . Learn about Familial Colorectal Cancer.
      See more Familial Colorectal Cancer experts
    • Stomach Cancer
      Dr. Abad is
      Distinguished
      . Learn about Stomach Cancer.
      See more Stomach Cancer experts
    • Advanced
    • Adult Soft Tissue Sarcoma
      Dr. Abad is
      Advanced
      . Learn about Adult Soft Tissue Sarcoma.
      See more Adult Soft Tissue Sarcoma experts
    • Alveolar Soft Part Sarcoma
      Dr. Abad is
      Advanced
      . Learn about Alveolar Soft Part Sarcoma.
      See more Alveolar Soft Part Sarcoma experts
    • Bone Tumor
      Dr. Abad is
      Advanced
      . Learn about Bone Tumor.
      See more Bone Tumor experts
    • Cholangiocarcinoma (Bile Duct Cancer)
      Dr. Abad is
      Advanced
      . Learn about Cholangiocarcinoma (Bile Duct Cancer).
      See more Cholangiocarcinoma (Bile Duct Cancer) experts
    • Familial Pancreatic Cancer
      Dr. Abad is
      Advanced
      . Learn about Familial Pancreatic Cancer.
      See more Familial Pancreatic Cancer experts
    • Gastrointestinal Stromal Tumor
      Dr. Abad is
      Advanced
      . Learn about Gastrointestinal Stromal Tumor.
      See more Gastrointestinal Stromal Tumor experts
    View All 10 Advanced Conditions
    • Experienced
    • Ampullary Cancer
      Dr. Abad is
      Experienced
      . Learn about Ampullary Cancer.
      See more Ampullary Cancer experts
    • Angiosarcoma
      Dr. Abad is
      Experienced
      . Learn about Angiosarcoma.
      See more Angiosarcoma experts
    • Biliary Dyskinesia
      Dr. Abad is
      Experienced
      . Learn about Biliary Dyskinesia.
      See more Biliary Dyskinesia experts
    • Desmoid Tumor
      Dr. Abad is
      Experienced
      . Learn about Desmoid Tumor.
      See more Desmoid Tumor experts
    • Desmoplastic Small Round Cell Tumor
      Dr. Abad is
      Experienced
      . Learn about Desmoplastic Small Round Cell Tumor.
      See more Desmoplastic Small Round Cell Tumor experts
    • Epidural Lipomatosis
      Dr. Abad is
      Experienced
      . Learn about Epidural Lipomatosis.
      See more Epidural Lipomatosis experts
    View All 35 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.