Verified · Last checked ✓ Information checked against the MMM provider directory (2026-10-27): name, services, phone.✓ License checked with the regulator (2026-10-27) – Junta de Licenciamiento y Disciplina Médica public search: license no. 17169, status active, expires 2028-05-16; specialty on the Junta record: surgery.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MMM provider directory for MMM Advantage plans (PDF, updated October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MCS provider directory 1 (PPO network, 10/2026 PDF); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MCS Classicare provider directory (PDF updated Oct 13, 2026); not verified by us; confirm with the office.✗ Not checked: board certification, malpractice insurance, quality of care, whether the health plans shown (or not shown) are accepted today — plan acceptance is as stated by the provider or an insurer’s directory — prices or availability.
Informational directory only. Puerto Rico Experts does not give medical advice, and a listing is not a referral, recommendation or endorsement of any physician. Confirm credentials and whether the physician accepts your health plan directly with the office. In an emergency, call 911.
Acceptance of plans changes; confirm with the office before your visit. Plans shown are as stated by the provider (or an insurer’s provider directory), not verified by us.
Informational directory. Puerto Rico Experts does not give medical advice, and a listing is not a referral or endorsement. Check a physician's license on ORCPS (Junta de Licenciamiento y Disciplina Médica). In an emergency, call 911.
official source · Verified · Last checked ✓ Information checked against the MMM provider directory (2026-10-27): name, services, phone.✓ License checked with the regulator (2026-10-27) – Junta de Licenciamiento y Disciplina Médica public search: license no. 17169, status active, expires 2028-05-16; specialty on the Junta record: surgery.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MMM provider directory for MMM Advantage plans (PDF, updated October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MCS provider directory 1 (PPO network, 10/2026 PDF); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-27) – Listed in the MCS Classicare provider directory (PDF updated Oct 13, 2026); not verified by us; confirm with the office.✗ Not checked: board certification, malpractice insurance, quality of care, whether the health plans shown (or not shown) are accepted today — plan acceptance is as stated by the provider or an insurer’s directory — prices or availability.
General surgery physician in San Juan, PR with an active license in the Puerto Rico medical licensing board (Junta) public search. Phone listed in the MMM and MCS provider directories.
Request information from Juan J. Díaz Hernández, MD
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Verified · Last checked ✓ Information checked against the Auxilio Mutuo Hospital medical-staff directory (2026-10-24): name, services, phone, address.✓ License checked with the regulator (2026-10-24) – Junta de Licenciamiento y Disciplina Médica public search: license no. 3679, status active, expires 2028-05-25; specialty on the Junta record: cardiovascular diseases, internal medicine. NPI 1710977624 (the NPPES record carries the same license number).✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM provider directory for MMM Advantage plans (PDF, updated October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MCS provider directory 1 (PPO network, 10/2026 PDF); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MCS Classicare provider directory (PDF updated Oct 13, 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM Multi Health provider directory for Plan Vital (PDF, October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MAPFRE Salud online provider directory (name search, checked Oct 25, 2026); not verified by us; confirm with the office.✗ Not checked: board certification, malpractice insurance, quality of care, whether the health plans shown (or not shown) are accepted today — plan acceptance is as stated by the provider or an insurer’s directory — prices or availability.
Plans:MMM AdvantageMCSMCS ClassicareMMM Vital+1 more
Verified · Last checked ✓ Information checked against the Auxilio Mutuo Hospital medical-staff directory (2026-10-24): name, services, phone, address.✓ License checked with the regulator (2026-10-24) – Junta de Licenciamiento y Disciplina Médica public search: license no. 16755, status active, expires 2028-03-23; specialty on the Junta record: cardiovascular diseases, internal medicine. NPI 1992907166 (the NPPES record carries the same license number).✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM provider directory for MMM Advantage plans (PDF, updated October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM Multi Health provider directory for Plan Vital (PDF, October 2026); not verified by us; confirm with the office.✗ Not checked: board certification, malpractice insurance, quality of care, whether the health plans shown (or not shown) are accepted today — plan acceptance is as stated by the provider or an insurer’s directory — prices or availability.
Verified · Last checked ✓ Information checked against the Auxilio Mutuo Hospital medical-staff directory (2026-10-24): name, services, phone, address.✓ License checked with the regulator (2026-10-24) – Junta de Licenciamiento y Disciplina Médica public search: license no. 16803, status active, expires 2028-05-10; specialty on the Junta record: cardiovascular diseases, internal medicine. NPI 1023217775 (the NPPES record carries the same license number).✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM provider directory for MMM Advantage plans (PDF, updated October 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MCS provider directory 1 (PPO network, 10/2026 PDF); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MCS Classicare provider directory (PDF updated Oct 13, 2026); not verified by us; confirm with the office.✓ Health plans recorded from the source shown (2026-10-25) – Listed in the MMM Multi Health provider directory for Plan Vital (PDF, October 2026); not verified by us; confirm with the office.✗ Not checked: board certification, malpractice insurance, quality of care, whether the health plans shown (or not shown) are accepted today — plan acceptance is as stated by the provider or an insurer’s directory — prices or availability.