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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

4.0
  •  
(25)
Patient comments (11)

The overall average patient rating of Dr. John Blackman is Good. Dr. Blackman has been reviewed by 25 patients who have provided 11 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
  •  
Promptness 3.9
  •  
Courteous Staff 4.2
  •  
Accurate Diagnosis 4.2
  •  
Bedside Manner 4.2
  •  
Spends Time with Me 4.3
  •  
Follows Up After Visit 4.4
  •  

Specialties & Research

Dr. John Blackman, MD is board certified in Internal Medicine.

  • He has special expertise in 6 areas:
  • Diabetes
  • Diabetes Complications
  • Diabetes Mellitus
  • Metabolic Bone Diseases
  • Pituitary Diseases
  • Thyroid Diseases

Education & Awards

Dr. Blackman graduated from UMDNJ Robert Wood Johnson, Piscataway. He has 2 awards.

Awards  
NCQA Diabetes Physician Recognition Program (2014 - 2017)
Top 10 Doctor - City (2014)
Columbus, OH
Internist

Affiliations

Dr. Blackman has 6 hospital affiliations:

  • Riverside Methodist Hospital 
  • Grant Medical Center 

> > > > Dr. John Blackman, MD

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Additional Information
Dr. John David Blackman MD is a male Internist, has 27 years of experience and practices in Internal Medicine.
Where does Dr. John D. Blackman practice?
Dr. John Blackman has 3 office locations.
Dr. John Blackman practices Internal Medicine near Columbus, OH.
See Columbus Internists.