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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 (3)

The overall average patient rating of Dr. Cass Cullis is Good. Dr. Cullis has been reviewed by 8 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.5
Courteous Staff 4.6
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 3.8

Specialties & Research

Dr. Cass Cullis, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Cullis graduated from The Ohio State University , Columbus.


Dr. Cullis has 3 hospital affiliations:

  • Miami Valley Hospital 
  • Upper Valley Medical Center 
  • Upper Valley Med Ctr, Troy, Oh 


  • English

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Additional Information
Dr. Cass Miller Cullis MD is a male Internist, has 36 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Cass M. Cullis practice?
Dr. Cass Cullis has 1 office location.
Dr. Cass Cullis practices Internal Medicine and Cardiovascular Disease near Troy, OH.
See Troy Internists and Troy Cardiologists.