Diana Calla

Health Care Litigator at Hooper, Lundy & Bookman, P.C.

Role: Senior Counsel at Hooper, Lundy & Bookman, P.C
Location: San Francisco, CA, US
LinkedIn followers: 500 followers

About Diana Calla

I represent health care providers in litigation, arbitration matters, and investigations. I have litigated cases involving the False Claims Act, Stark Law, Anti-Kickback Statute, Sherman Act, RICO, and similar state laws. I have experience with motion practice, all aspects of pretrial discovery, working with expert witnesses, and class action defense. I also work on a variety of pro bono matters, including asylum cases and domestic violence restraining orders.

Experience

Senior Counsel
Hooper, Lundy & Bookman, P.C
Dec 2025 — Present · San Francisco, CA, US

Education

Yale University
Bachelor of Arts (B.A.), Political Science
2005 — 2009
Harvard Law School
Juris Doctor (J.D.)
2012 — 2015

Contact information

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Work email
d•••••@hooperlundy.com
Personal email
•••••@•••••.com
Direct dial
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Current company

Hooper, Lundy & Bookman, P.C

Law Practice · 116 employees · Founded 1987 · Los Angeles, California, United States

Meeting the Health Care Industry’s Legal and Government Relations Needs. The health care industry is destined to remain complex, and providers need advocates and advisors who can get them to the right answer, quickly. Every HLB client benefits from our combination of health care industry insight + legal strategy + government impact + an innovative business perspective. We cover every angle. Since its inception in 1987, Hooper, Lundy & Bookman’s primary focus has been to guide, support and defend health care providers and suppliers in our shared mission to create and maintain a viable and effective health care system. Without that, people, especially the most vulnerable among us, face significant challenges in accessing the quality health care necessary to keep our communities healthy, safe and thriving. We are passionate about helping our clients to fulfill this mutual goal of serving all populations. As the largest law firm in the U.S. dedicated exclusively to representing health care clients, and with clients in all 50 states and two U.S. territories, we represent some of the largest and most respected providers and suppliers from coast to coast. The complexity of health care law requires a breadth and depth of understanding that goes beyond that commonly found in general practice firms with health care law departments. Such depth can only be achieved through industry specialization and experience. That is why we have dedicated our practice exclusively to understanding the intricacies of the health care industry. Since our founding, HLB has been on the cutting edge of developments in the industry, and we have represented clients in many of the landmark appellate cases that have shaped health care law over the many years since our founding. We speak the language of health care, and no firm matches our breadth and depth.

hooperlundy.com

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About Diana Calla

Experience

Senior Counsel

Education

Yale University

Harvard Law School

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