Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Roller, MD

Individual provider Internal Medicine Physician · NPI 1447607627

Dr. John Roller, MD is a Hematology/Oncology in Peoria, Arizona. Graduated from University of North Dakota School of Medicine in 2016, 10 years ago. Practices with Banner Cancer Center Specialists LLC, a 338-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona and Kansas.

Years since qualifying
10
Trained at
University of North Dakota School of Medicine
Licensed in
AZ, KS
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

15000 N 83rd Ave Unit 300
Peoria, AZ 85381-2004
Phone: (623) 238-7490
Fax: (480) 882-5019
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 70118 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 04-42260 (KS)

Record details

NPI number1447607627
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2016
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026
Mailing address15000 N 83rd Ave Unit 300, Peoria, AZ 85381-2004

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Banner Cancer Center Specialists Llc — 338 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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