Clifton Otto, MD


Dr. Otto attended New York Medical College, in Valhalla, NY, and completed his Transitional Internship and Ophthalmology Residency at Madigan Army Medical Center, in Tacoma, WA, before being forward deployed with the U.S. Army to Camp Zama, Japan, as a General Ophthalmologist, with duty at Yokosuka Naval Hospital for three years.

Following Honorable Discharge from the Army, Dr. Otto returned to Hawaii and completed a Medical Retina fellowship at the Retina Institute of Hawaii, where he continues to practice as a Medical Retina Specialist, taking care of Macular Degeneration and Diabetic Retinopathy patients on the Big Island.

Dr. Otto is also an advocate for protecting the state-accepted medical use of cannabis and has been working with the Hawaii State Legislature since 2012 in an effort to advance changes in Hawaii’s Medical Use of Cannabis Program that will improve patient care and protect patient rights.  He was also a member of the Hawaii Dispensary Task Force, and provides Written Certifications in compliance with state law for qualifying patients who wish to enroll in Hawaii’s Medical Use of Cannabis Program.  Dr. Otto is also board certified in Cannabinoid Medicine by AACM.

Before medical school, Dr. Otto worked with the Scheuer Research Group in the Department of Chemistry at the University of Hawaii Manoa in Honolulu, HI, using HPLC and NMR to isolate bioactive compounds from marine organisms, and at Wyeth-Ayerst Labs, in Nyack, NY, performing chemical synthesis of mitroxantrone and methotrexate reference standards.  Dr. Otto also holds a B.A. and a M.S.Ed. from Sarah Lawrence College.


HCR89 - Requesting Congressional Action - PSM on 04/16/2019 - Testimony

GM543 - Relating to Nominee Espinda - PSM on 04/04/2019 - Testimony

HB673 HD2 SD1 - Relating to Medical Cannabis - JDC/WAM on 04/03/2019 - Testimony

SB1263 SD1 - Relating to the UCSA - JUD on 03/25/2019 - Testimony

HCR89 - Requesting Congressional Action - JUD on 03/22/2019 - Testimony

HB673 HD2 - Relating to Medical Cannabis - CPH on 03/21/2019 - Testimony

SB1263 SD1 - Relating to the UCSA - HLT on 03/21/2019 - Testimony

HB1383 HD2 - Relating to Marijuana - JDC on 03/19/2019 - Testimony

SB1353 SD3 HD1 - Relating to Industrial Hemp - JUD on 03/18/2019 - Testimony

HB290 HD1 - Relating to the UCSA - CPH on 03/15/2019 - Testimony

GM541 - Relating to Nominee Anderson - CPH on 2/25/2019 - Testimony

HB673 HD2 - Relating to Medical Cannabis - FIN on 02/21/2019 - Testimony

SB1263 - Relating to the UCSA - CPH on 02/20/19 - Testimony

HB131 HD2 - Relating to Hemp - FIN on 2/20/2019 - Testimony

SB541 - Relating to Medical Cannabis Products - CPH on 02/20/2019 - Testimony

SB1353 SD1 - Relating to Industrial Hemp - WAM on 02/19/19 - Testimony

HB673 HD1 - Relating to Medical Cannabis - JUD on 02/14/19 - Testimony

SB1266 - Relating to the UCSA - CPH on 02/13/19 - Testimony

HB131 HD1 - Relating to Hemp - JUD on 02/12/2019 - Testimony

HB290 - Relating to the UCSA - JUD on 02/07/2019 - Testimony

SB527 - Relating to Cannabis for Medical Use - CPH on 02/06/19 - Testimony

HB131 - Relating to Hemp - AGR on 02/06/2019 - Testimony

HB673 - Relating to Medical Cannabis - HLT on 02/05/19 - Testimony

SB1335 - Relating to Hemp - AEN on 02/04/19 - Testimony

SB686 - Relating to Marijuana - JDC on 01/31/19 - Testimony


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FDA Call for Comments on CBD - Testimony - May 28, 2019

DOJ Marijuana Summit - March 28, 2019 - Agenda - Dr. Otto’s Presentation

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John Burns School of Medicine - Medical Cannabis: What's the Evidence ? - CME event - November 4, 2017


Clifton Otto, MD

Available by appointment for Confidential Medical Consultation.