AHA Amicus Brief in Pennsylvania Case Seeking Relief from Aetna’s Level of Severity Policy

UNITED STATES DISTRICT COURT 
EASTERN DISTRICT OF PENNSYLVANIA



Thomas Jefferson University dba Jefferson 
Health and Lehigh Valley Physician Hospital 
Organization, Inc.,

                                         Plaintiffs,
                                                                        Case No.: 5:26-cv-02215-JMG

V.

Aetna Health, Inc.,

                                         Defendant.


MOTION OF THE AMERICAN HOSPITAL ASSOCIATION AND THE HOSPITAL AND HEALTHSYSTEM ASSOCIATION OF PENNSYLVANIA TO FILE BRIEF AS AMICI CURIAE IN OPPOSITION TO DEFENDANT’S MOTION TO COMPEL ARBITRATION AND TO STAY PROCEEDINGS PENDING ARBITRATION

The American Hospital Association and The Hospital and Healthsystem Association of Pennsylvania respectfully move for leave to file the attached brief as amici curiae in support of Plaintiffs’ Opposition to Defendant’s Motion to Compel Arbitration and to Stay Proceedings Pending Arbitration, for the reasons set forth in the accompanying brief.

                                                               Respectfully submitted,

Dated: June 5, 2026










 
/s/ Henry C. Quillen
Henry C. Quillen
Admitted Pro Hac Vice
WHATLEY KALLAS, LLP
159 Middle Street, Suite 2C
Portsmouth, NH 03801
(603) 264-1591
hquillen@whatleykallas.com
Counsel for the American Hospital Association and The Hospital and Healthsystem Association of Pennsylvania