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

Matthew Douglas Greer, MD

Individual provider Internal Medicine Physician · NPI 1073045043

Matthew Douglas Greer, MD is a Radiation Oncology in Tucson, Arizona. Graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2017, 9 years ago. Practices with Northern Arizona Healthcare Corporation, a 395-clinician group and accepts Medicare assignment. Licensed in Arizona and Idaho.

Years since qualifying
9
Trained at
Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Licensed in
AZ, ID
In the registry since
2017
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3838 N Campbell Ave Bldg 2
Tucson, AZ 85719-1454
Phone: (520) 694-7236
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 64479 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence MRM-1645 (ID)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1073045043
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 29, 2017
Last updated in NPPESJuly 7, 2022
Certification dateJuly 7, 2022

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolCLVLND CLINIC LERNER COLLEGE OF MED OF CASE WSTN RSV UNIVERSITY
Graduated 2017 (9 years in practice)
Group practice Northern Arizona Healthcare Corporation — 395 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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