Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Julio J Diaz, MD

Individual provider Radiation Oncology Physician · NPI 1366459596

Dr. Julio J Diaz, MD is a Radiation Oncology in Rio Piedras, Puerto Rico. Qualified in 1990, 36 years ago. Practices with Grupo Radioterapia Del Norte, a 2-clinician group and accepts Medicare assignment. Licensed in Puerto Rico.

Years since qualifying
36
Licensed in
PR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

Isaac Gonzalez Martinez Hospital Centro Medico Area Radioterapia Bsmt
Rio Piedras, PR 00935
Phone: (787) 754-0315
Fax: (787) 763-8593

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 10907 (PR)

Record details

NPI number1366459596
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPmb 10, Po Box 70344, San Juan, PR 00936-8344

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Grupo Radioterapia Del Norte — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Rio Piedras