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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 (4)

The overall average patient rating of Dr. Alan Semion is Good. Dr. Semion has been reviewed by 7 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.4
Promptness 4.3
Courteous Staff 4.3
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.7
Follows Up After Visit 3.8

Specialties & Research

Dr. Alan Semion, MD is board certified in Dermatology and Dermatology - Dermatopathology.

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

Education & Awards

Dr. Semion graduated from University of Michigan Medical School, Ann Arbor. He has 2 awards.

Patients' Choice Award (2012)
On-Time Doctor Award (2015)


Dr. Semion has 3 hospital affiliations:

  • Mercy San Juan Medical Center 
  • Sutter Roseville Medical Center 
  • University of California Davis Medical Center 


  • Spanish
  • English

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Additional Information
Dr. Alan A Semion MD is a male Dermatologist, has 44 years of experience and practices in Dermatology and Dermatopathology.
Where does Dr. Alan A. Semion practice?
Dr. Alan Semion has 1 office location.
Dr. Alan Semion practices Dermatology and Dermatopathology near Roseville, CA.
See Roseville Dermatologists.