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Internist, Endocrinologist (diabetes, hormones)
36 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

Patient comments (25)

The overall average patient rating of Dr. Frank Crantz is Average. Dr. Crantz has been reviewed by 34 patients who have provided 25 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.8
Courteous Staff 3.6
Accurate Diagnosis 3.7
Bedside Manner 2.9
Spends Time with Me 3.3
Follows Up After Visit 3.4

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 36 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.