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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 (0)

The overall average patient rating of Dr. Bertha Lin is Good. Dr. Lin has been reviewed by 2 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Specialties & Research

Dr. Bertha Lin, MD is board certified in Dermatology.

  • She has special expertise in 14 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Biopsy
  • Connective Tissue Diseases
  • Dermatitis
  • Eczema
  • Laser Surgery
  • Lichen Sclerosus et Atrophicus
  • Melanoma
  • Mohs Surgery (Dermatological Surgery)
  • Psoriasis
  • Skin Cancer
  • Skin Cancer (Basal Cell Carcinoma)
  • Warts

Education & Awards

Dr. Lin graduated from University of Michigan Medical School, Ann Arbor.


Dr. Lin has 2 hospital affiliations:

  • Doctors Medical Center - San Pablo 
  • Petaluma Valley Hospital 

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Additional Information
Dr. Bertha B Lin MD is a female Dermatologist and practices in Dermatology and MOHS-Micrographic Surgery.
Where does Dr. Bertha B. Lin practice?
Dr. Bertha Lin has 3 office locations.
Dr. Bertha Lin practices Dermatology and MOHS-Micrographic Surgery near Petaluma, CA.
Additional practice locations include: Hercules, CA and Grosse Pointe Woods, MI.
See Petaluma Dermatologists and Petaluma Surgeons.