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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Marvin Chassin, Medical Oncology is Excellent. Dr. Chassin has been reviewed by 9 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Marvin Chassin, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 1 area:
  • Cancer

Education & Awards

Dr. Chassin graduated from Yale University, New Haven. He has 5 awards.

Patients' Choice Award (2013 - 2014)
Compassionate Doctor Recognition (2014)
Top 10 Doctor - City (2014)
Mesa, AZ
Medical Oncologist
Top 10 Doctor - Metro Area (2014)
Phoenix Metro Area
Medical Oncologist
On-Time Doctor Award (2014)


Dr. Chassin has 3 hospital affiliations:

  • Banner Heart Hospital 
  • Banner Desert Medical Center 
  • Banner Baywood Medical Center 

> > > > Dr. Marvin Chassin, MD

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Additional Information
Dr. Marvin Micah Chassin MD is a male Internist, has 38 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Marvin M. Chassin practice?
Dr. Marvin Chassin has 3 office locations.
Dr. Marvin Chassin practices Internal Medicine and Medical Oncology near Mesa, AZ.
Additional practice locations include: Chandler, AZ.
See Mesa Internists and Mesa Oncologists.