Paul A. Muna Aguon, MD

Medicare activity in 2024

Official CMS public-use data for Paul A. Muna Aguon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)148 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)91 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)68 services
4. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)63 services
5. Removal of stone or debris from bile or pancreatic duct using a flexible endoscope (43264)55 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Diabetes64%
• Chronic kidney disease40%
• Ischemic heart disease35%
• Arthritis33%

Hospitals where Paul A. Muna Aguon works

Medicare's Facility Affiliation Data lists Paul A. Muna Aguon at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Guam Memorial Hospital AuthorityTamuning, GU · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 650001
• Guam Regional Medical CityDededo, GU · Acute Care Hospital · Emergency services: listed by Medicare · CCN 650003

Practice locations

Addresses where Paul A. Muna Aguon is enrolled with Medicare (CMS data updated October 2, 2026).

• 133 Route 3Dededo, GU 96929 (671) 645‑5500
• 633 Gov Carlos Camacho Rd, Suite 210Tamuning, GU 96913 (671) 649‑1001
• 850 Gov Carlos Camacho RdTamuning, GU 96913
• 850 Gov Carlos G Camacho RdTamuning, GU 96913 (671) 647‑2552

Group practices

Medicare enrollment lists Paul A. Muna Aguon as a member of these groups (CMS data updated October 2, 2026).

• Guam Healthcare Development Incorporated207 clinicians in the group
• Guam Memorial Hospital131 clinicians in the group
• Guam X-Ray30 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Guam →

Other clinicians in Guam Healthcare Development Incorporated

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Thomas Aubuchon, MD
• Louise Gutierrez, MD
• Verrad K. Nyame, MD
• Kevin T. Cohen, MD
• Alejandro R. Prieto, MD
• Matthew Middendorf, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians