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About Us  /  Long Do

Long Do



Tel: 415-680-7419

Long Do joined Athene Law, LLP as a Partner in March 2019. Long has substantive knowledge in the areas of managed care, health insurance, medical board enforcement, medical staff governance, corporate practice of medicine, peer review, and trade association advocacy and governance. He has two decades of practical legal experience in civil and criminal courts.


Prior to joining Athene Law, Long served for over a decade as Legal Counsel and Director of Litigation for the California Medical Association (CMA), one of the nation’s oldest and largest physician organizations. He built a renowned statewide and national profile managing CMA’s activities in the courts and regulatory agencies. He worked with outside counsel, physician members, and other stakeholders to plan and litigate cases that impact physician and provider interests. Long also served as the lead attorney for the CMA lobbying and regulatory teams on numerous important pieces of legislation and regulations, respectively.


Long has appeared in federal courts and all levels of state courts throughout California.

Representative Matters

Argued Before The California Supreme Court In:

  • People v. Superior Court (Sahlolbei), 3 Cal. 5th 230 (2017) (applicability of Gov’t Code §1090 conflict of interest prohibitions to independent physicians of a district hospital)


  • Fahlen v. Sutter Central Valley Hospitals, 58 Cal. 4th 655 (2014) (applicability of Westlake exhaustion requirement to Health & Safety Code §1278.5 whistleblower claims by physician members of the hospital medical staff)


  • El-Attar v. Hollywood Presbyterian Med. Ctr., 55 Cal. 4th 976 (2013) (hospital authority to assume peer review functions of the medical staff)

Lead Counsel For CMA In:

  • Medical Staff v. Tulare Regional Medical Ctr. (Tulare Superior Ct., 2016) (implications on medical staff self-governance when hospital terminates the medical staff organization and leadership)


  • CMA et al. v. Aetna Health of California, Inc. (Los Angeles Superior Ct., 2012) (termination of contracted physicians based on referrals of PPO patients to out-of-network facilities)


  • CMA and California Society of Anesthesiologists v. Schwarzenegger, 204 Cal. App. 4th 390 (2012) (scope of independent practice for CRNAs)


  • CMA v. Brown, 193 Cal. App. 4th 1449 (2011) (legality of Governor’s furlough of Medical Board employees and borrowing of physician license fees from Medical Board Contingency Fund)


  • CMA and Cal. Acad. Eye Phys.& Surgeons v. Bd. of Optometry (San Francisco Superior Ct., 2010) (challenging Board of Optometry’s regulations)


  • CMA et al. v. Department of Managed Health Care (Sacramento Superior Ct., 2008) (challenging DMHC’s balance billing regulations)

Long has also authored dozens of amicus curiae briefs on behalf of CMA and its allies in cases across the spectrum of healthcare and public health. He additionally worked with CMA’s Organized Medical Staff Section and medical staffs throughout the state to protect physicians and medical staff self-governance in the hospital setting.


Long previously practiced law in both civil and criminal courts. He was a senior litigation and appellate attorney at the San Francisco law firm Howard Rice Nemerovski Canady Falk & Rabkin, PC (now Arnold & Porter) and served as a criminal prosecutor in the San Francisco District Attorney’s Office under now Senator Kamala Harris.

Professional Affiliations

  • American Health Lawyers Association

  • American Society of Medical Association Counsel

  • California Academy of Attorneys for Healthcare Professionals

  • California Lawyers Association, Health Law Standing Committee of the Business Law Section

  • California Society for Healthcare Attorneys


Long is a graduate of Northwestern University and UCLA School of Law. He was in the inaugural class of the law school’s David J. Epstein Program in Public Interest Law and Policy and served as an articles editor on the UCLA Law Review.  Long served as law clerk to the Hon. Susan Illston of the U.S. District Court in San Francisco and the Hon. Robert Beezer of the Ninth Circuit U.S. Court of Appeals in Seattle.