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Attorney Spotlight

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Experience Spotlight

In June 2017, Pinnacle Financial Partners, Inc. (NASDAQ: PNFP) closed a $1.9 billion merger with BNC Bancorp (NASDAQ: BNCN) pursuant to which BNC merged with and into Pinnacle. With the completion of the transaction, Pinnacle becomes a Top 50 U.S. Bank. The merger will create a four state footprint concentrated in 12 of the largest urban markets in the Southeast. 

Bass, Berry & Sims has served Pinnacle as primary corporate and securities counsel for more than 15 years and served as counsel on the transaction. Our attorneys were involved in all aspects related to the agreement, including tax, employee benefits and litigation. 

Read more details about the transaction here.

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Thought Leadership

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Thought Leadership Spotlight

Regulation A+

It seems that lately there has been a noticeable uptick in Regulation A+ activity, including several recent Reg A+ securities offerings where the stock now successfully trades on national exchanges. In light of this activity, we have published a set of FAQs about Regulation A+ securities offerings to help companies better understand this "mini-IPO" offering process, as well as pros and cons compared to a traditional underwritten IPO.

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Daniela J. O'Mara


Daniela J. O'Mara


Washington, D.C.
(202) 827-7086 TEL
(202) 330-5732 FAX
Washington, D.C.
(202) 827-7086 TEL
(202) 330-5732 FAX

Daniela O'Mara counsels healthcare and life sciences companies related to operational, regulatory and transactional matters. She works closely with clients on issues pertaining to compliance with various federal and state laws and regulations, including those related to Medicare and Medicaid compliance, managed care, facility operations, fraud and abuse, telemedicine activities, and health information privacy and security.

Prior to joining Bass, Berry & Sims, Daniela was an associate at Dentons in Washington, D.C., where she represented companies on regulatory compliance, day-to-day operational matters, fraud and abuse issues, and healthcare transactional matters. Prior to joining Dentons, Daniela advised on internal investigations and compliance matters at the World Bank Vice Presidency of Integrity Special Litigation Unit and analyzed diagnostics legal issues at the Duke Institute for Genome Sciences & Policy. She earned her Master of Laws degree in international and comparative law and her law degree from Duke University School of Law and received a B.A. from Brown University.


American Health Lawyers Association (AHLA) 

District of Columbia Bar Association

New York Bar Association


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Additional Thought Leadership


  • "The State Status Shield: Expanding 'Arm of the State' False Claims Act Liability Protection," Journal of Health Care Compliance, Vol. 19 No. 4 (July-August 2017)
  • "Defending FCA Claims Through 'Reasonable Interpretation' of Ambiguous Regulations," Journal of Health Care Compliance, Vol. 17 No. 5 (September-October 2015)
  • "Navigating CMS' Tangled Web of Stark Law Interpretation," (co-author) Law360 (July 22, 2015)
  • "How Policy Makers in Emerging Health Systems Can Advance Innovative Care for the Chronically Ill," (co-author) Health Law Handbook (January 15, 2015)


Washington, D.C. Super Lawyers "Rising Star" (2017)


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