TRYNYTYhealth:enablement
MA Enrollment Explorer / Pennsylvania / Montgomery County

Medicare Advantage in Montgomery County, Pennsylvania

71,353 people in Montgomery County, Pennsylvania were enrolled in Medicare Advantage in October 2026, 36.7% of 194,307 eligible beneficiaries (−0.4 pts since October 2025). Independence Health Group, Inc. is the largest parent organization with 39% of reported enrollment; 17 parent organizations have 11 or more members and the HHI is 2,305 (highly concentrated). HRSA classifies the county as partly rural. For 2027, 3,055 members here are in plans that terminate or leave the county. MA plans offered go from 61 to 58.

36.7%MA penetration, October 2026
71,353MA enrollees
39%leading parent's share
65.7%MSSP ACO share of Original Medicare, PY 2024
Open the county on the market mapMedicare Advantage in Pennsylvania

Parent organizations in Montgomery County

Parent organizationMembersChange since October 2025Share
Independence Health Group, Inc.27,888−1,59639.2%
CVS Health Corporation15,067+10321.2%
UnitedHealth Group, Inc.8,800−77612.4%
Humana Inc.7,504+1,03210.5%
Health Care Service Corporation4,199−1515.9%
Thomas Jefferson University2,590+1,7593.6%
Elevance Health, Inc.1,928−32.7%
Devoted Health, Inc.1,347+8191.9%
Highmark Health649−1450.9%
Centene Corporation507−740.7%
Blue Cross Blue Shield of Michigan Mutual Ins. Co.237−50.3%
Trinity Health Corporation177−230.2%
UPMC Health System112−60.2%
Rifkin Managed Care Holding, LLC98+90.1%
CAPITAL BLUE CROSS59+4under 0.1%

CMS suppresses county and contract counts of 10 or fewer; shares are of reported enrollment.

Value-based care alongside MA

In PY 2024, 59,517 beneficiaries in Montgomery County were assigned to 202 Medicare Shared Savings Program ACOs, 65.7% of assignable Original Medicare beneficiaries. Together, roughly 78% of all Medicare beneficiaries in the county are in Medicare Advantage or an MSSP ACO. See the ACOs in the MSSP Explorer.