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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 (1)

The overall average patient rating of Dr. Mark Mannis is Good. Dr. Mannis has been reviewed by 5 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Mark Mannis, MD is board certified in Ophthalmology.

  • He has special expertise in 25 areas:
  • Acne Rosacea
  • Astigmatism
  • Bacterial Eye Infections
  • Cornea Transplant (Penetrating Keratoplasty)
  • Corneal Diseases
  • Corneal Opacity
  • Corneal Transplantation
  • Corneal Ulcer
  • Dendritic Keratitis
  • Disease
  • Eye Diseases
  • Eye Foreign Bodies
  • Eye Injuries
  • Eye Surgery (Ophthalmologic Surgical Procedures)
  • Eyelid Diseases
  • Far-sightedness (Hyperopia)
  • Fungal eye infections
  • Glaucoma
  • Hereditary Corneal Dystrophies
  • LASIK (Laser In Situ Keratomileusis)
  • > Show all expertise

Education & Awards

Dr. Mannis graduated from University of Florida, Gainesville. He has 5 awards.

One of America's Leading Experts on:
Cornea Transplant (Penetrating Keratoplasty)
Corneal Diseases
Corneal Transplantation
U.S. News Top Doctors, 2011-2012
Castle Connolly America's Top Doctors® (2007 - 2008, 2010 - 2015)


Dr. Mannis has 3 hospital affiliations:

  • University of California Davis Medical Center 
  • UC Davis Med Center 
  • U C Davis Med Ctr 


  • German
  • Hebrew
  • Portuguese
  • Spanish

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Additional Information
Dr. Mark Joel Mannis MD is a male Ophthalmologist, has 37 years of experience and practices in Ophthalmology.
Where does Dr. Mark J. Mannis practice?
Dr. Mark Mannis has 1 office location.
Dr. Mark Mannis practices Ophthalmology near Sacramento, CA.
See Sacramento Ophthalmologists.