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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 (12)

The overall average patient rating of Dr. Ralph Duncan is Average. Dr. Duncan has been reviewed by 22 patients who have provided 12 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.4
Promptness 2.6
Courteous Staff 3.2
Accurate Diagnosis 2.9
Bedside Manner 2.4
Spends Time with Me 2.5
Follows Up After Visit 2.5

Specialties & Research

Dr. Ralph Duncan, MD is board certified in Urology.

  • He has special expertise in 8 areas:
  • Biofeedback
  • Impotence (Vasculogenic Impotence)
  • Infertility
  • Laser Surgery
  • Overactive Urinary Bladder
  • Prostate Diseases (Prostatic Diseases)
  • STD (Sexually Transmitted Diseases)
  • Urinary Incontinence

Education & Awards

Dr. Duncan graduated from Virginia Commonwealth University, Richmond.


Dr. Duncan has 5 hospital affiliations:

  • York Hospital 
  • Memorial Hospital York 


  • Spanish

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Additional Information
Dr. Ralph Duncan MD is a male Urologist, has 40 years of experience and practices in Urology.
Where does Dr. Ralph Duncan practice?
Dr. Ralph Duncan has 1 office location.
Dr. Ralph Duncan practices Urology near York, PA.
See York Urologists.