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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 (10)

The overall average patient rating of Dr. Ann Haas is Good. Dr. Haas has been reviewed by 25 patients who have provided 10 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 3.6
Courteous Staff 3.2
Accurate Diagnosis 3.8
Bedside Manner 3.4
Spends Time with Me 3.2
Follows Up After Visit 3.2

Specialties & Research

Dr. Ann Haas, MD is board certified in Dermatology.

  • She has special expertise in 6 areas:
  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Melanoma
  • Psoriasis
  • Skin Cancer
  • Skin Transplantation (Dermatoplasty)

Education & Awards

Dr. Haas graduated from Brown University, Providence.


Dr. Haas has 7 hospital affiliations:

  • University of California Davis Medical Center 
  • Sutter General Hospital 


  • English

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Additional Information
Dr. Ann Frances Haas MD is a female Dermatologist, has 28 years of experience and practices in Dermatology.
Where does Dr. Ann F. Haas practice?
Dr. Ann Haas has 3 office locations.
Dr. Ann Haas practices Dermatology near Sacramento, CA.
Additional practice locations include: Folsom, CA and Fairfield, CA.
See Sacramento Dermatologists.