Browse Health
Dermatologist (skin)
25 years of experience
Accepting new patients
Video profile
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 (10)

The overall average patient rating of Dr. Mark Welch is Good. Dr. Welch has been reviewed by 18 patients who have provided 10 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.5
Courteous Staff 4.3
Accurate Diagnosis 4.6
Bedside Manner 4.1
Spends Time with Me 4.1
Follows Up After Visit 4.2

Specialties & Research

Dr. Mark Welch, MD is board certified in Dermatology.

  • He has special expertise in 5 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer

Education & Awards

Dr. Welch graduated from New York Medical College, Valhalla. He has 1 awards.

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


Dr. Welch has 4 hospital affiliations:

  • Inova Alexandria Hospital 
  • Inova Fairfax Hospital 


  • German

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Additional Information
Dr. Mark Lawrence Welch MD is a male Dermatologist, has 25 years of experience and practices in Dermatology.
Where does Dr. Mark L. Welch practice?
Dr. Mark Welch has 2 office locations.
Dr. Mark Welch practices Dermatology near Bethesda, MD.
Additional practice locations include: Fairfax, VA.
See Bethesda Dermatologists.