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Ranked listRefreshed monthly

The 10 largest medical groups in Guam by HCPs

Guam Regional Medical City has the most HCPs of any medical group in Guam, 430, followed by Guam Memorial Hospital Authority (Guam Memorial Hospital) in Oka Tamuning (333) and Guam Seventh-day Adventist Clinic in Tamuning (124).

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

Rank by
Location
Guam
  1. Guam Regional Medical CityDededo · Multi-specialty430HCPs376physicians
  2. Guam Memorial Hospital Authority (Guam Memorial Hospital)Oka Tamuning · Multi-specialty333HCPs298physicians
  3. Guam Seventh-day Adventist ClinicTamuning · Multi-specialty124HCPs86physicians
  4. Guam Radiology ConsultantsTamuning · Multi-specialty108HCPs89physicians
  5. FHP Health Center GuamTamuning · Multi-specialty52HCPs34physicians
  6. American Medical CenterTamuning · Primary Care33HCPs24physicians
  7. Guam Seventh-day Adventist ClinicTamuning · Multi-specialty33HCPs22physicians
  8. Pacific Medical GroupSinajana · Primary Care27HCPs14physicians
  9. Hafa Adai Specialists GroupTamuning · Multi-specialty20HCPs9physicians
  10. Health Services of the Pacific (HSP)Dededo · Multi-specialty14HCPs6physicians

The 10 highest of 31 Guam medical groups that report HCPs. Ranks compare size, not quality of care.

Every medical group in Guam

The median Guam medical group has 7 HCPs

31 Guam medical groups report HCPs. The median medical group has 7 HCPs, so Guam Regional Medical City is about 61 times that size.

the size of the median Guam medical group, which has 7 HCPs
61×
of the 31 Guam medical groups that report HCPs
32%

How we ranked the top Guam medical groups

Measure
HCPs 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
31 Guam medical groups in the Dmand AI database report HCPs.
Ties
Medical groups with the same number share a rank.
What a rank means
Size only. A rank compares HCPs; it says nothing about quality of care.
Refresh
Monthly. Updated Oct 28, 2026.

FAQ

Questions about the top Guam medical groups

Answers from the same data, updated monthly.

Which Guam medical group has the most HCPs?

Guam Regional Medical City in Dededo, with 430 HCPs. Guam Memorial Hospital Authority (Guam Memorial Hospital) is second with 333.

What are the top 10 Guam medical groups by HCPs?

Guam Regional Medical City (430), Guam Memorial Hospital Authority (Guam Memorial Hospital) (333), Guam Seventh-day Adventist Clinic (124), Guam Radiology Consultants (108), FHP Health Center Guam (52), American Medical Center (33), Guam Seventh-day Adventist Clinic (33), Pacific Medical Group (27), Hafa Adai Specialists Group (20), Health Services of the Pacific (HSP) (14).

How many HCPs does a typical Guam medical group have?

The median Guam medical group that reports HCPs has 7 HCPs, out of 31 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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    The same ranking for Northern Mariana Islands medical groups.

  • Ranked list

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    The national ranking by HCPs.

  • Directory

    Medical groups in Guam

    Every Guam medical group in the Dmand AI directory.

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