Individual provider · Type 1 NPI

John Robyn V. Diez, MD

Addiction Medicine (Internal Medicine) Physician · Oakland, MD

NPI number 1942881909 Active

Practice location

69 Wolf Acres Dr
Oakland, MD 21550-2046

Specialties and licenses

TaxonomyCodeLicense
Addiction Medicine (Internal Medicine) Physician Primary 207RA0401XD0102636 (MD)

Addiction Medicine (Internal Medicine) Physician: An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.

6 other providers at this address

About NPI 1942881909

John Robyn V. Diez, MD's National Provider Identifier is 1942881909, issued on Apr 20, 2021. The primary taxonomy on file is Addiction Medicine (Internal Medicine) Physician (207RA0401X), and the practice location is in Oakland, MD. The record was last updated on Sep 21, 2026.