
Overview
I love spending time staying active - tennis, volleyball and running.As a native North Dakotan, I am very excited to experience an Arizona winter as well as the many hiking opportunities.
His top areas of expertise are Von Willebrand Disease (VWD) and Blood Clots.
His clinical research consists of co-authoring 9 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Graduate Institution
Residency
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
925 East McDowell Road, Phoenix, AZ 85006
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.
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Sumit Madan is a Hematologist Oncology provider in Gilbert, Arizona. Dr. Madan is highly rated in 14 conditions, according to our data. His top areas of expertise are Multiple Myeloma, Relapsed Refractory Multiple Myeloma (RRMM), Smoldering Multiple Myeloma, Bone Marrow Aspiration, and Bone Marrow Transplant. Dr. Madan is currently accepting new patients.
Frequently Asked Questions about Dr. John Roller
How do I make an appointment with Dr. John Roller?
You can book an appointment with Dr. John Roller by calling their office at 602-521-3700. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John Roller a top-rated expert for Von Willebrand Disease (VWD)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Roller is classified as an Experienced expert for Von Willebrand Disease (VWD), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John Roller specialize in?
While Dr. John Roller is a Hematology Oncology, they have specific expertise in Von Willebrand Disease (VWD), Blood Clots. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology Oncology.
Does Dr. John Roller participate in research or clinical trials?
Yes. Dr. John Roller has published 9 articles and abstracts on conditions like Von Willebrand Disease (VWD). You can view a list of Dr. John Roller's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John Roller accept my insurance?
Dr. John Roller accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 602-521-3700 to verify that your specific plan is currently accepted before your visit.
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
- Experienced
- Blood ClotsDr. Roller isExperienced. Learn about Blood Clots.
- Von Willebrand Disease (VWD)Dr. Roller isExperienced. Learn about Von Willebrand Disease (VWD).


