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Ranked listRefreshed monthly

The 10 largest medical groups in Guam by physicians

Guam Regional Medical City is the largest medical group in Guam, with 376 physicians, followed by Guam Memorial Hospital Authority (Guam Memorial Hospital) in Oka Tamuning (298) and Guam Radiology Consultants in Tamuning (89).

Updated Physicians linked to each group in CMS enrollment and the Dmand AI databaseHow we ranked

Rank by
Location
Guam
  1. Guam Regional Medical CityDededo · Multi-specialty376physicians430HCPs
  2. Guam Memorial Hospital Authority (Guam Memorial Hospital)Oka Tamuning · Multi-specialty298physicians333HCPs
  3. Guam Radiology ConsultantsTamuning · Multi-specialty89physicians108HCPs
  4. Guam Seventh-day Adventist ClinicTamuning · Multi-specialty86physicians124HCPs
  5. FHP Health Center GuamTamuning · Multi-specialty34physicians52HCPs
  6. American Medical CenterTamuning · Primary Care24physicians33HCPs
  7. Guam Seventh-day Adventist ClinicTamuning · Multi-specialty22physicians33HCPs
  8. Pacific Medical GroupSinajana · Primary Care14physicians27HCPs
  9. Todu Guam Foundation Health and Wellness CenterTamuning · Multi-specialty9physicians12HCPs
  10. Hafa Adai Specialists GroupTamuning · Multi-specialty9physicians20HCPs

The 10 largest of 28 Guam medical groups that report physicians. Ranks compare size, not quality of care.

Every medical group in Guam

The median Guam medical group has 5 physicians

28 Guam medical groups report physicians. The median medical group has 5 physicians, so Guam Regional Medical City is about 75 times that size.

the size of the median Guam medical group, which has 5 physicians
75×
of the 28 Guam medical groups that report physicians
36%

How we ranked the largest Guam medical groups

Measure
Physicians linked to each group in CMS enrollment and the Dmand AI database.
What counts as a group
One Medicare PAC ID. A group that bills under several names counts once.
Field
28 Guam medical groups in the Dmand AI database report physicians.
Ties
Medical groups with the same number share a rank.
HCPs
Healthcare professionals with a current link to the group in the Dmand AI database.
What a rank means
Size only. A rank compares physicians; it says nothing about quality of care.
Refresh
Monthly. Updated Oct 28, 2026.

FAQ

Questions about the largest Guam medical groups

Answers from the same data, updated monthly.

What is the largest medical group in Guam?

Guam Regional Medical City in Dededo, with 376 physicians. Guam Memorial Hospital Authority (Guam Memorial Hospital) is second with 298.

What are the 10 largest medical groups in Guam?

By physicians: Guam Regional Medical City (376), Guam Memorial Hospital Authority (Guam Memorial Hospital) (298), Guam Radiology Consultants (89), Guam Seventh-day Adventist Clinic (86), FHP Health Center Guam (34), American Medical Center (24), Guam Seventh-day Adventist Clinic (22), Pacific Medical Group (14), Todu Guam Foundation Health and Wellness Center (9), Hafa Adai Specialists Group (9).

How many physicians does a typical Guam medical group have?

The median Guam medical group that reports physicians has 5 physicians, out of 28 that report them.

How often is this list updated?

Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.

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  • Directory

    Medical groups in Guam

    Every Guam medical group in the Dmand AI directory.

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