Paul Alfred Muna Aguon, M.D.
NPI 1154771673ActiveIndividual· Internal Medicine, Gastroenterology· Tamuning, GU
Internal Medicine, Gastroenterology (M.D.) in Tamuning, Guam, trained at University of Hawaii John A. Burns School of Medicine (class of 2016). In 2024 Medicare paid $94,444 for 345 patients, and Part D covered 84 of their prescriptions, 88% of them generic. Olympus America Inc. reported $207.22 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154771673 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 15, 2016 |
| Last updated in NPPES | May 29, 2026 |
| Certified by provider | May 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | M-2384 | GU |
| Internal Medicine, Gastroenterology | 207RG0100X | 25MA11441800 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GU) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 345 |
|---|---|
| Services billed | 891 across 49 procedure codes |
| Paid by Medicare | $94,444 |
Part D prescriptions in 2024
| Prescriptions (claims) | 84 · 86 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $7,483 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
Medical groups
- Guam Healthcare Development IncorporatedDededo, GU · 207 clinicians
- Guam Memorial HospitalTamuning, GU · 131 clinicians
- Guam X-RayTamuning, GU · 30 clinicians
Hospital affiliations
- Guam Memorial Hospital AuthorityTamuning, GU
- Guam Regional Medical CityDededo, GU
Industry payments (Open Payments)
- 2025$207.22 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $207.22 | 3 |
What the 2025 payments were for
- Food and Beverage$207.22 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Tamuning
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