Gastroenterology in Puerto Rico: verified doctors

10 doctors in gastroenterology in San Juan.

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.

10 doctors in gastroenterology in San Juan. Each one appears with an active license in the medical licensing board's public search (Junta de Licenciamiento y Disciplina Médica); phone and address come from the official source each listing cites (hospital directory, medical society directory or the doctor's own website).

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Results

Iván D. Antúnez González, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 13434, status active, expires 2028-07-25; specialty on the Junta record: gastroenterology, internal medicine. NPI 1962457408 (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 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 ClassicareMapfre

(787) 763-1025

Roberto L. Casanova Guardiola, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 12594, status active, expires 2028-10-04; specialty on the Junta record: gastroenterology. NPI 1437230463 (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.✗ 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 Advantage

(787) 274-1967

Arnaldo L. Freire Pérez, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 18669, status active, expires 2028-07-07; specialty on the Junta record: gastroenterology, internal medicine. NPI 1053679092 (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

(787) 763-1025

Manuel Imbert Garraton, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 8390, status active, expires 2028-06-17; specialty on the Junta record: gastroenterology, internal medicine. NPI 1326076068 (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.✗ 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 Classicare

(787) 282-6301

Héctor L. Lozano Ruiz, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 15480, status active, expires 2028-11-30; specialty on the Junta record: gastroenterology, internal medicine. NPI 1619083680 (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 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 AdvantageMapfre

(787) 274-1282

Yahaira Moreno Denizard, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 17524, status active, expires 2028-09-28; specialty on the Junta record: gastroenterology, internal medicine. NPI 1982898490 (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 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 AdvantageMapfre

(787) 756-5900

Zhamarie Ortiz Mercado, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 15931, status active, expires 2028-05-17; specialty on the Junta record: gastroenterology, internal medicine. NPI 1841391927 (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.

Plans:MMM AdvantageMCSMCS ClassicareMMM Vital

(787) 764-8763

Fernando Ramos Mercado, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 10788, status active, expires 2028-10-02; specialty on the Junta record: gastroenterology, internal medicine. NPI 1972598407 (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

(787) 764-8787

Kermit J. Richiez Colón, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 10441, status active, expires 2028-10-23; specialty on the Junta record: gastroenterology, internal medicine. NPI 1003933417 (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 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 AdvantageMCSMapfre

(787) 777-0977

José E. Rivera Acosta, MD

Gastroenterology · San Juan, PR

Verified · Last checked ✓ Information checked against official website (2026-10-25): name, services, phone, address.✓ License checked with the regulator (2026-10-25) – Junta de Licenciamiento y Disciplina Médica public search: license no. 17183, status active, expires 2028-02-06; specialty on the Junta record: gastroenterology, internal medicine, hepatology transplant. NPI 1922201292 (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.✓ 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 AdvantageMMM VitalMapfre

(787) 763-1025

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Some locations are approximate (town center) when the exact address couldn't be geocoded.

10 of 10 listings on the map; 10 at an approximate location (town center, grey marker). © OpenStreetMap

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