Internist, Geriatric Specialist (elderly care)
16 years of experience
Video profile
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 (8)

The overall average patient rating of Dr. Diana Koss is Below Average. Dr. Koss has been reviewed by 13 patients who have provided 8 comments. The rating is 1.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 2.7
Courteous Staff 3.5
Accurate Diagnosis 1.8
Bedside Manner 1.4
Spends Time with Me 1.8
Follows Up After Visit 1.7

Specialties & Research

  • She has special expertise in 1 area:
  • Alzheimer Disease

Education & Awards

Dr. Koss graduated from University of Arizona, Tucson.


Dr. Koss has 3 hospital affiliations:

  • Del E Webb Memorial Hospital 
  • Banner Boswell Medical Hospital 
  • Banner Del E Webb Medical Center 

> > > > Dr. Diana Koss, MD

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Additional Information
Dr. Diana Beth Koss MD is a female Internist, has 16 years of experience and practices in Internal Medicine and Geriatric Medicine.
Where does Dr. Diana B. Koss practice?
Dr. Diana Koss has 3 office locations.
Dr. Diana Koss practices Internal Medicine and Geriatric Medicine near Sun City, AZ.
Additional practice locations include: Scottsdale, AZ.
See Sun City Internists and Sun City Geriatric Doctors.