Largest primary care groups in Guam
- Groups
- 16
- Family Medicine groups
- 9
- Internal Medicine groups
- 7
- Family physicians
- 3
- Internal medicine specialists
- 11
There are 16 primary care groups in Guam with a Medicare PAC ID: 9 family medicine and 7 internal medicine. Famalao’an Wellness Center is the largest family medicine group, with 2 family physicians, and Guam Memorial Hospital Authority (Guam Memorial Hospital) the largest internal medicine group, with 7 internal medicine specialists.
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Guam Memorial Hospital Authority (Guam Memorial Hospital) is the largest primary care group in Guam, with 31 physicians
Ranked by physicians with a Guam address linked to each group. Guam Regional Medical City is second with 24, and American Medical Center third with 3.
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Showing 1 to 10 of 16 primary care groups in Guam
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Famalao’an Wellness Center is the largest family medicine group in Guam, with 2 family physicians
Ranked by family physicians with a Guam address linked to each group whose main sub-specialty is family medicine. American Medical Center is second with 1.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Guam Memorial Hospital Authority (Guam Memorial Hospital) is the largest internal medicine group in Guam, with 7 internal medicine specialists
Ranked by internal medicine specialists with a Guam address linked to each group whose main sub-specialty is internal medicine. Guam Regional Medical City is second with 5, and The Doctors' Clinic third with 2.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Guam-Micronesia Mission of Seventh-Day Adventists has the most physicians in Guam primary care groups, with 1 across 2 groups
Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more Guam primary care groups. Each clinician counts once per parent organization.
- Guam-Micronesia Mission of Seventh-Day Adventists
- Guam Seventh-day Adventist Clinic
- Guam Seventh-day Adventist Clinic
See every medical group, site and clinician under Guam-Micronesia Mission of Seventh-Day Adventists
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 16 Guam primary care groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
44% of Guam primary care groups are independent, with no larger parent organization
A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.
Guam primary care groups by ownership
- Independent7
- Health system or hospital2
- Platform or corporate owner1
- Community or government2
- Other organization4
Sites of care beyond their own offices
See the parent organization above every Guam group
Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.
Source: Dmand AI Org Hierarchy Data
7 Guam primary care groups practice at a hospital site, and 2 at a surgery center
Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.
Guam primary care groups by site of care
- Hospitals7
- Ambulatory surgery centers2
Clinicians in Guam primary care groups
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Tamuning has the most primary care groups in Guam, with 10
Source: Doctors and Clinicians National Downloadable File (CMS)
Each Guam primary care group profile shows the parent, sites, clinicians and identifiers
- Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
- Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
- Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
- Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
- Parent organizationThe health system, platform or owner above the groupOn every profile
- Every clinician and siteThe full roster and every practice locationWith a free account
- Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
- EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account
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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data
Sources for the Guam primary care group list
| Data on this page | Source |
|---|---|
| Medical groups, specialties and sites | Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data |
| Parent organizations and independence | Dmand AI Org Hierarchy Data |
| Physicians and HCPs | Dmand AI Affiliation Data |
| Group NPI and PAC ID | NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS) |
Data last refreshed October 2026Report an inaccuracyRemove my information
Groups whose main specialty is primary care and that have a Medicare PAC ID.
FAQ
Frequently asked questions about primary care groups in Guam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is the largest family medicine group in Guam?
Famalao’an Wellness Center, based in Tamuning, with 2 family physicians and 2 HCPs. American Medical Center is second with 1.
What is the largest internal medicine group in Guam?
Guam Memorial Hospital Authority (Guam Memorial Hospital), based in Oka Tamuning, with 7 internal medicine specialists and 37 HCPs. Guam Regional Medical City is second with 5.
How many primary care groups are in Guam?
There are 16 primary care groups in Guam with a Medicare PAC ID: 9 family medicine and 7 internal medicine. Between them they have 3 family physicians and 11 internal medicine specialists.
How many Guam primary care groups are independent?
7, or 44%, have no larger parent organization in the Dmand AI org hierarchy. 2 belong to a health system or hospital and 1 to a physician platform or corporate owner.
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