Medicare ACO Stats

Accountable Care Organizations (ACOs) are groups of doctors, hospitals, and other health care providers, who come together voluntarily to give coordinated high-quality care to their Medicare patients. ACOs’ focus on whole-person care, managing cost and quality for the full year, and developing population health infrastructure drives continued success.

  • In 2023, ACOs generated $6.8 billion in savings and returned $2.7 billion in net savings to the Medicare Trust Fund.
  • Since 2012, ACOs have generated $28.3 billion in savings and returned $11.1 billion in net savings to the Medicare Trust Fund.
A color-coded map of the United States showing market share of ACO for each state.

Medicare Shared Savings Program

476 ACOs

11.2 million Beneficiaries
643,768 providers
10,455 FQHC, RHC, CAH

REACH/ Direct Contracting

103 ACOs

2.5 million beneficiaries
160,837 providers
928 FQHC, RHC, CAH

State

ACOs
MSSP/REACH

ACO
Beneficiaries

Medicare Savings*
2021-2023

Alabama

28

150,393

$98 million

Alabama

5

19,864

$7.7 million

Arizona

36

280,301

$119.4 million

Arkansas

25

198,186

$118 million

California

64

845,764

$448 million

Colorado

19

211,854

$95 million

Connecticut

14

115,525

$105 million

Delaware

11

70,323

$72 million

Florida

89

893,447

$701 million

Georgia

36

349,270

$254 million

Hawaii

9

31,214

$4.7 million

Idaho

14

85,602

$44 million

Illinois

43

617,660

$302 million

Indiana

36

316,941

$149 million

Iowa

23

227,821

$42 million

Kansas

16

143,186

$63 million

Kentucky

22

158,788

$87 million

Louisana

19

167,859

$139 million

Maine

6

62,660

$43 million

Maryland

25

146,827

$100 million

Massachusetts

28

517,369

$257 million

Michigan

39

380,371

$216 million

Minnesota

20

214,583

$87 million

Mississippi

17

151,149

$131 million

Missouri

25

235,979

$127 million

Montana

14

85,140

$26 million

Nebraska

12

130,050

$74 million

Nevada

11

68,556

$76 million

New Hampshire

16

104,791

$38 million

New Jersey

46

411,396

$212 million

New Mexico

15

51,830

$23 million

New York

62

645,501

$410 million

North Carolina

39

460,723

$325 million

North Dakota

5

25,278

$3 million

Ohio

38

443,098

$284 million

Oklahoma

18

180,464

$75 million

Oregon

21

158,348

$32 million

Pennsylvania

41

566,834

$344 million

Rhode Island

6

38,698

$21 million

South Carolina

33

311,195

$71 million

South Dakota

7

46,714

$2.3 million

Tennessee

43

300,679

$105 million

Texas

82

859,282

$724 million

Utah

8

96,855

$101 million

Vermont

4

11,658

$500 thousand

Virginia

30

430,317

$303 million

Washington

27

313,702

$199 million

West Virgina

11

93,972

$57 million

Wisconsin

22

253,291

$114 million

Wyoming

7

16,551

$6 million

*Net savings is the total amount of money ACOs saved from 2021-2023.