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Internal Medicine in Guam - NPI Providers

Active Internal Medicine providers with a practice location in Guam. Each profile shows the NPI number, taxonomy code, license details, and practice address, useful for claims, credentialing, and verifying a provider.

54 providers in Guam

Internal Medicine providers in Guam

NPI Name Type Specialty Location
1386239101 Alexander Pazevic Individual Internal Medicine Physician Agana Heights, GU
1669530507 Alix Chenet Individual Internal Medicine Physician Oka Tamuning, GU
1346438934 American Multi-Specialty Group, Inc. Organization Nephrology Physician Tamuning, GU
1124246152 Annakutty Mathew Individual Infectious Disease Physician Tamuning, GU
1790481760 Beatrice Preti Individual Hematology & Oncology Physician London, GU
1851363501 Byungsoo Kim Individual Cardiovascular Disease Physician Tamuning, GU
1952670382 Cancer Center of Guam LLP Samuel J Friedman Gen Ptr Organization Hematology & Oncology Physician Tamuning, GU
1164960209 Danielle Buccine Individual Internal Medicine Physician Agana Heights, GU
1265460661 Dennis Beckworth Individual Medical Oncology Physician Dededo, GU
1295790178 Doris Lim Individual Internal Medicine Physician Tamuning, GU
1518904812 Edwin Supit Individual Internal Medicine Physician Tamuning, GU
1649484197 Ellen Bez Individual Internal Medicine Physician Tamuning, GU
1043403447 Erika Alford Individual Endocrinology, Diabetes & Metabolism Physician Tamuning, GU
1538220553 Florencio Lizama Individual Internal Medicine Physician Tamuning, GU
1497593008 Guahan Specialty and Wellness Center, LLC Organization Gastroenterology Physician Tamuning, GU
1871467464 Guam Hematology Oncology Associates, Inc. Organization Medical Oncology Physician Tamuning, GU
1902160211 Guam Medical Health Care Center, Inc. Organization Internal Medicine Physician Tamuning, GU
1740525278 International Health Providers, LLC Organization Internal Medicine Physician Dededo, GU
1043245889 Ivan Lowenthal Individual Medical Oncology Physician Tamuning, GU
1588222442 James Brunswick Individual Internal Medicine Physician Agana Heights, GU
1710914338 Janna Manglona Individual Internal Medicine Physician Mangilao, GU
1639289499 Joel Marc Rubio Individual Endocrinology, Diabetes & Metabolism Physician Dededo, GU
1740336247 John Taitano Individual Internal Medicine Physician Tamuning, GU
1265494868 Johnny Lim Individual Internal Medicine Physician Tamuning, GU
1730483223 Joleen Aguon Individual Pulmonary Disease Physician Tamuning, GU
1720344732 Jonathon Thorp Individual Internal Medicine Physician Tamuning, GU
1447644851 Kimberly Boyd Individual Internal Medicine Physician Agana Heights, GU
1144364753 Leopoldo Arcilla Individual Internal Medicine Physician Mangilao, GU
1134419740 Lg&H Internal Medicine Clinic Organization Internal Medicine Physician Hagatna, GU
1669647772 Mary Grace Santos Individual Geriatric Medicine (Internal Medicine) Physician Sinajana, GU
1043730542 Matthew Bauer Individual Internal Medicine Physician Agana Heights, GU
1629305784 Matthew Middendorf Individual Internal Medicine Physician Agana Heights, GU
1215248356 Michael Agustin Individual Pulmonary Disease Physician Dededo, GU
1386805356 Najmeh Akhavan Individual Internal Medicine Physician Dededo, GU
1912786815 Ohimaa LLC Organization Internal Medicine Physician Tamuning, GU
1689375115 Ohimaa, LLC Organization Internal Medicine Physician Tamuning, GU
1225232762 Olivia T. Cruz, MD, PC Organization Internal Medicine Physician Hagatna, GU
1023081304 Pablo Guzman Individual Internal Medicine Physician Tamuning, GU
1013278936 Pacific Cardiology Consultants LLC Organization Interventional Cardiology Physician Tamuning, GU
1427441666 Pacific Pulmonology Consultants Organization Pulmonary Disease Physician Tamuning, GU
1386738862 Paul Coty Individual Hematology & Oncology Physician Tamuning, GU
1154771673 Paul Muna Aguon Individual Gastroenterology Physician Tamuning, GU
1720284425 Rengaraju Ramasamy Individual Internal Medicine Physician Oka Tamuning, GU
1881834109 Robert Nerves Individual Nephrology Physician Sinajana, GU
1073674685 Romeo Samonte Individual Internal Medicine Physician Tamuning, GU
1437251808 Saied Safabakhsh Individual Nephrology Physician Sinajana, GU
1780990382 Samir Ambrale Individual Hematology & Oncology Physician Tamuning, GU
1891747069 Samuel Friedman Individual Hematology & Oncology Physician Tamuning, GU
1609860592 Susan Bratschi Individual Cardiovascular Disease Physician Tamuning, GU
1831244888 Vincent Duenas Individual Internal Medicine Physician Tamuning, GU

Internal Medicine by city in Guam

Frequently asked questions

How many Internal Medicine providers are in Guam?
The latest NPPES snapshot lists 54 active providers with Internal Medicine as their primary taxonomy and a practice location in Guam.
How do I verify a Internal Medicine provider's NPI in Guam?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes, the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-13.