Ranked list
The 10 largest medical groups in New Hampshire
The same ranking for New Hampshire medical groups.
Ranked listRefreshed monthly
The 10 largest medical groups in Maine by physicians
MaineHealth Primary Care - Family Medicine - Portland is the largest medical group in Maine, with 1,929 physicians, followed by MaineHealth Pediatric Cancer Care, Blood Disorders and IV Therapy (formerly Maine Children's Cancer Program) in South Portland (771) and MaineGeneral Health in Augusta (611).
- MaineHealth Primary Care - Family Medicine - Portland1,929physicians3,843HCPs
- MaineHealth Pediatric Cancer Care, Blood Disorders and IV Therapy (formerly Maine Children's Cancer Program)771physicians1,296HCPs
- MaineGeneral Health611physicians1,124HCPs
- Central Maine Medical Center584physicians1,003HCPs
- Northern Light Eastern Maine Medical Center533physicians1,003HCPs
- Spectrum Healthcare Partners370physicians419HCPs
- Bridgton Hospital368physicians619HCPs
- Rumford Hospital362physicians591HCPs
- St. Mary's Health System251physicians415HCPs
- York Hospital245physicians486HCPs
The 10 largest of 200 Maine medical groups that report physicians. Ranks compare size, not quality of care.
Every medical group in MaineThe median Maine medical group has 5 physicians
200 Maine medical groups report physicians. The median medical group has 5 physicians, so MaineHealth Primary Care - Family Medicine - Portland is about 386 times that size.
- the size of the median Maine medical group, which has 5 physicians
- 386×
- of the 200 Maine medical groups that report physicians
- 5%
How we ranked the largest Maine 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
- 200 Maine 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 Maine medical groups
Answers from the same data, updated monthly.
What is the largest medical group in Maine?
MaineHealth Primary Care - Family Medicine - Portland in Portland, with 1,929 physicians. MaineHealth Pediatric Cancer Care, Blood Disorders and IV Therapy (formerly Maine Children's Cancer Program) is second with 771.
What are the 10 largest medical groups in Maine?
By physicians: MaineHealth Primary Care - Family Medicine - Portland (1,929), MaineHealth Pediatric Cancer Care, Blood Disorders and IV Therapy (formerly Maine Children's Cancer Program) (771), MaineGeneral Health (611), Central Maine Medical Center (584), Northern Light Eastern Maine Medical Center (533), Spectrum Healthcare Partners (370), Bridgton Hospital (368), Rumford Hospital (362), St. Mary's Health System (251), York Hospital (245).
How many physicians does a typical Maine medical group have?
The median Maine medical group that reports physicians has 5 physicians, out of 200 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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