ARC WORCESTER CENTER, L.P.

WILLIAM HENDERSON, M.D.

Anesthesiology Physician

RAIMIS MATULIONIS, MD

Anesthesiology Physician

ANDY PORITZ, MD

Anesthesiology Physician

TING XU, M.D.

Surgery Physician

AMBULATORY ANESTHESIA ASSOCIATES, PC

Anesthesiology Physician

ARC WORCESTER CENTER, L.P.

Ambulatory Surgical Clinic/Center