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Facial Plastic Surgeon
26 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 (2)

The overall average patient rating of Dr. Corey Maas, Facial Plastic Surgeon is Excellent. Dr. Maas has been reviewed by 17 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.5
Courteous Staff 4.7
Accurate Diagnosis 4.5
Bedside Manner 4.7
Spends Time with Me 4.5
Follows Up After Visit 4.3

Specialties & Research

Dr. Corey Maas, MD is board certified in Otolaryngology.

  • He has special expertise in 3 areas:
  • Facelift (Rhytidoplasty)
  • Facial Paralysis
  • Nose Job (Rhinoplasty)

Education & Awards

Dr. Maas graduated from University of Florida, Gainesville. He has 6 awards.

Sir harold duff gilles award, triologic society
American academy facial plastic surgery community award
Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2011 - 2012, 2014 - 2015)
Compassionate Doctor Recognition (2011 - 2012, 2015)
On-Time Doctor Award (2014 - 2015)


Dr. Maas has 10 hospital affiliations:

  • California Pacific Medical Center - Davies Campus 
  • St. Luke's Hospital 


  • English
  • Spanish

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Additional Information
Dr. Corey S Maas MD is a male Otolaryngologist, has 26 years of experience and practices in Otolaryngology.
Where does Dr. Corey S. Maas practice?
Dr. Corey Maas has 1 office location.
Dr. Corey Maas practices Otolaryngology near San Francisco, CA.
See San Francisco Otolaryngologists.