HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MD

JOHN ROBYN V DIEZ, MD

ADDICTION MEDICINE

Graduated: 2014

Offers telehealth

NPI: 1942881909

Practice Locations (1)

SPECIALTY PHYSICIANS OF GARRETT COUNTY, LLC

69 WOLF ACRES DR

OAKLAND, MD 215502046

3015332190

Source: CMS National Downloadable File, September 2026.

JOHN ROBYN DIEZ, MD | HealthCareAtlasUSA