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John Robyn Diez, MD, Preventive Medicine, Oakland, MD

John Robyn V Diez MD (He/Him)

Addiction Medicine


Addiction Medicine Physician (Outpatient)

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  • 69 Wolf Acres DrLower LevelOakland, MD 21550

  • Phone+1 301-533-2190

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Summary

  • Dr. John Robyn Diez is an addiction medicine physician in Oakland, MD. He received his medical degree from Far Eastern University. He is experienced in addiction medicine, substance-related issues, and general pediatrics.

Education & Training

  • Ohio State University Hospital
    Ohio State University HospitalFellowship, Addiction Medicine, 2024 - 2025
  • Woodhull Medical and Mental Health Center
    Woodhull Medical and Mental Health CenterChief Residency, Pediatrics, 2023 - 2024
  • Woodhull Medical and Mental Health Center
    Woodhull Medical and Mental Health CenterResidency, Pediatrics, 2021 - 2024
  • Ospital ng Makati
    Ospital ng MakatiPediatrics, Chief Resident, 2017 - 2020
  • Far Eastern University - Nicanor Reyes Medical Foundation
    Far Eastern University - Nicanor Reyes Medical FoundationClass of 2014
  • Far Eastern University
    Far Eastern UniversityBS Nursing, Cum Laude, 2006 - 2010

Certifications & Licensure

  • MD State Medical License
    MD State Medical License 2025 - 2026
  • OH State Medical License
    OH State Medical License 2024 - 2026
  • Pediatrics
    American Board of Pediatrics Pediatrics

Awards, Honors, & Recognition

  • Ruth Fox Scholarship Recipient American Society of Addiction Medicine, 2025
  • Resident Poster Competition Winner New York Society of Addiction Medicine, 2024
  • Annual Residents' Research Oral Presentation - 1st Place Woodhull Medical and Mental Health Center, 2024

Publications & Presentations

PubMed

Journal Articles

  • Improving Substance Use Screening among Teens utilizing S2BI in a Pediatric Primary Care Clinic  
    Diez JR, Dharmasaputra T, Ayensu M, Eletta R, Giri A, HPHR, 7/2024

Abstracts/Posters

  • Cannabis-related Pediatric Emergency Department Visits Before and After Legalization of Recreational Marijuana: A Retrospective Study
    Diez JR, Sekhon P, Miyagusuku-Chang A, Maharjan R, Medows M, New York Society of Addiction Medicine, 2/2/2024
  • Selective Mutism After Verbal Reprimand in a 3-year-old: A Case Report
    Diez JR, Jimenez S, American Academy of Pediatrics National Conference 2023, Washington DC, 10/22/2023
  • Improving Substance Use Screening using S2BI in a Pediatric Primary Care Clinic
    Diez JR, Dharmasaputra D, Ayensu M, Eletta R, Giri A, Medows M, American Society of Addiction Medicine National Conference 2023, Washington DC, 4/15/2023
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Lectures

  • Substance Use in the Adolescent Period 
    Ohio State University Talbot Hall - 3/20/2025

Professional Memberships

Other Languages

  • Filipino, Tagalog

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