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

Dr. Juan J Diaz Hernandez, MD

Individual provider Surgery Physician · NPI 1114121894

Dr. Juan J Diaz Hernandez, MD is a General Surgery in San Juan, Puerto Rico. Graduated from University of Puerto Rico School of Medicine in 2005, 21 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Florida and Puerto Rico.

Years since qualifying
21
Trained at
University of Puerto Rico School of Medicine
Licensed in
FL, PR
In the registry since
2007
Specialties on file
2
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.

29 Calle Washington Ashford Medical Ctr Ste 505
San Juan, PR 00907-1510
Phone: (787) 596-7878
Fax: (787) 721-2204

No coordinates on file. Search this address in Google Maps

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 17169 (PR)
Surgery Physician Taxonomy 208600000X · Licence ME106431 (FL)

Record details

NPI number1114121894
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 14, 2007
Last updated in NPPESJanuary 30, 2017

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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