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Internist, Endocrinologist (diabetes, hormones)
35 years of experience
Accepting new patients
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

  • Currently 2.5 of 4 stars
Patient comments (21)

The overall average patient rating of Dr. Frank Crantz is Good. Dr. Crantz has been reviewed by 29 patients who have provided 21 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.0
  • Currently 3.047619047619 of 4 stars
Promptness 2.9
  • Currently 2.8888888888889 of 4 stars
Courteous Staff 2.7
  • Currently 2.7142857142857 of 4 stars
Accurate Diagnosis 2.8
  • Currently 2.8 of 4 stars
Bedside Manner 2.3
  • Currently 2.25 of 4 stars
Spends Time with Me 2.5
  • Currently 2.4761904761905 of 4 stars
Follows Up After Visit 2.5
  • Currently 2.5263157894737 of 4 stars

Specialties & Research

Dr. Frank Crantz, FACE, MD is board certified in Internal Medicine.

  • He has special expertise in 4 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Thyroid Diseases

Education & Awards

Dr. Crantz graduated from Johns Hopkins University, Baltimore. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Crantz has 3 hospital affiliations:

  • Inova Alexandria Hospital 
  • Inova Fairfax Hospital 
  • Reston Town Center Pediatrics 


  • Spanish
  • French
  • Hindi
  • English

> > > > Dr. Frank Crantz, FACE, MD

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Additional Information
Dr. Frank Richard Crantz FACE and MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Endocrinology, Diabetes & Metabolism.
Where does Dr. Frank R. Crantz practice?
Dr. Frank Crantz has 4 office locations.
Dr. Frank Crantz practices Internal Medicine and Endocrinology, Diabetes & Metabolism near Mc Lean, VA.
Additional practice locations include: Reston, VA and Fairfax, VA.
See Mc Lean Internists and Mc Lean Endocrinologists.