Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MR. JOHN ROBYN V DIEZ, MD
ActiveMR. JOHN ROBYN V DIEZ, MD is a Addiction Medicine (Internal Medicine) healthcare provider located in OAKLAND, Maryland. NPI 1942881909 is currently active in the NPPES registry. Verify at CMS.
Addiction Medicine (Internal Medicine) · OAKLAND, MD
Registration Details
- NPI Number
- 1942881909
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Apr 20, 2021 (5.3543675867789 yrs)
- Last Updated
- Aug 25, 2025
- License
-
D0102636 (MD)
Practice Information
- Address
-
69 WOLF ACRES DROAKLAND, MD, 215502046Browse MD providers · Browse ZIP 21550
- Phone
- 3015332190
- Primary Specialty
-
Addiction Medicine (Internal Medicine)
207RA0401X
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.