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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 (0)

The overall average patient rating of Dr. John Warkentin is Good. Dr. Warkentin has been reviewed by 4 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. John Warkentin, FCCP, MD is board certified in Pulmonary Disease.

  • He has special expertise in 4 areas:
  • Asthma
  • Heart Failure
  • Lung Cancer
  • Pneumonia

Education & Awards

Dr. Warkentin graduated from Albany Medical College.


Dr. Warkentin has 18 hospital affiliations:

  • John Randolph Medical Center 
  • Retreat Hospital 


  • English

> > > > Dr. John Warkentin, FCCP, MD

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Additional Information
Dr. John R Warkentin FCCP and MD is a male Pulmonologist, has 37 years of experience and practices in Pulmonary Disease.
Where does Dr. John R. Warkentin practice?
Dr. John Warkentin has 4 office locations.
Dr. John Warkentin practices Pulmonary Disease near Henrico, VA.
Additional practice locations include: Richmond, VA and Midlothian, VA.
See Henrico Pulmonologists.