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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 (9)

The overall average patient rating of Dr. Ann Haas is Good. Dr. Haas has been reviewed by 23 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.1
Promptness 3.4
Courteous Staff 3.1
Accurate Diagnosis 3.7
Bedside Manner 3.3
Spends Time with Me 3.1
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 27 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.