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Surgical Specialist, Neurological Surgeon
38 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 (3)

The overall average patient rating of Dr. Clarence Greene is Excellent. Dr. Greene has been reviewed by 15 patients who have provided 3 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 4.2
Spends Time with Me 4.5
Follows Up After Visit 5.0

Specialties & Research

Dr. Clarence Greene, FACS, MD is board certified in Neurological Surgery.

  • He has special expertise in 5 areas:
  • Brain Cancer
  • Cancer
  • Neuroendoscopy
  • Neurosurgery
  • Neurosurgical Procedures

Education & Awards

Dr. Greene graduated from Howard University , Washington. He has 4 awards.

Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)
Castle Connolly America's Top Doctors® for Cancer (2005 - 2007, 2009 - 2012, 2014 - 2015)
Patients' Choice Award (2008 - 2009, 2011, 2014)
On-Time Doctor Award (2009, 2014)


Dr. Greene has 9 hospital affiliations:

  • Long Beach Memorial Medical Center 
  • St. Joseph Hospital - Orange 


  • Spanish

> > > > Dr. Clarence Greene, FACS, MD

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Additional Information
Dr. Clarence Sumner Greene FACS and MD is a male Neurosurgeon, has 38 years of experience and practices in Neurological Surgery.
Where does Dr. Clarence S. Greene practice?
Dr. Clarence Greene has 3 office locations.
Dr. Clarence Greene practices Neurological Surgery near Long Beach, CA.
Additional practice locations include: Tustin, CA.
See Long Beach Surgeons.