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

Dr. Samuel Evan Day, MD, PHD

Individual provider Radiation Oncology Physician · NPI 1811304652

Dr. Samuel Evan Day, MD, PHD is a Radiation Oncology in Tucson, Arizona. Graduated from University of Colorado School of Medicine, Denver in 2014, 12 years ago. Practices with Arizona Blood and Cancer Specialists, PLLC, a 15-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
12
Trained at
University of Colorado School of Medicine, Denver
Licensed in
AZ
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3700 E Fort Lowell Rd Ste 130
Tucson, AZ 85716-1729
Phone: (520) 881-0631
Fax: (520) 526-1773
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 121 W Esperanza Blvd Ste 181, Green Valley, AZ 85614-2622 — (520) 689-6992

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 58485 (AZ)

Record details

NPI number1811304652
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 14, 2014
Last updated in NPPESAugust 11, 2022
Certification dateAugust 11, 2022
Mailing address3945 E Paradise Falls Dr Ste 201, Tucson, AZ 85712-6687

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 2014 (12 years in practice)
Group practice Arizona Blood And Cancer Specialists, Pllc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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