Medical Directors

From great experience comes a great experience

Leo Lombardo, M.D.
National Medical Director

Dr. Leo Lombardo is a physician in active practice and board certified in both Anesthesiology and Pain Medicine.  He holds B.A. and B.S. degrees from Stanford University and received his medical degree from the University of California, San Diego. While attending medical school, Dr. Lombardo was awarded the School of Medicine Dean’s Scholarship, the Pharmacology Education and Research Foundation Award and was a member of the Gold Humanism Honor Society. In addition to completing his internship in Internal Medicine and residency in Anesthesiology, he pursued fellowship training in Pain Medicine.  Dr. Lombardo specializes in interventional pain management and multidisciplinary approaches to chronic pain. He maintains clear and active licenses in the states of California, Texas and Colorado. He is experienced in Disability, Worker’s Compensation, Automotive cases and Group Health. In addition, he is Colorado Worker’s Compensation (Level 1) accredited. He is also bilingual (English and Japanese).

Matthew Lundquist, M.D.
Medical Director – Disability

Dr. Lundquist provides medical oversight over Dane Street’s Disability program. He is board certified by both the American Board of Internal Medicine and the American Board of Preventive Medicine in occupational medicine. He completed his internal medicine residency and occupational and environmental medicine fellowship at Yale University, where he also earned a Master of Public Health. Dr. Lundquist received his medical degree from Stony Brook University Medical Center School of Medicine.

Dr. Lundquist is currently a member of both the American College of Occupational and Environmental Medicine and the New England College of Occupational and Environmental Medicine. He recently served as the President of the New England College of Occupational and Environmental Medicine from 2018-2020. He is specifically interested in public health, employer wellness programs and the role of insurance in health care. Dr. Lundquist resides in Connecticut and interacts closely with our Physician Panel and Quality Assurance staff in Palm Beach Gardens, FL.

David J. Sand, M.D., M.B.A.
Associate Medical Director – Group Health

David J. Sand, MD, MBA is a Board-certified Otolaryngologist-Head & Neck surgeon who provides medical oversight of our Group Health Review Program.

He received his Bachelor of Science and MD degrees from Brown University in Providence, RI and his MBA with honors from Regis University in Denver, CO. He served his surgical internship at Pennsylvania Hospital in Philadelphia and his Otolaryngology residency at Temple University Hospital in Philadelphia.

After extensive years of service in solo clinical practice, he transitioned to become the chief medical officer of Permedion, a URAC-accredited IRO in Ohio and HMS, a national program integrity vendor to 46 different state Medicaid agencies and CMS. He was the first and only medical director in the CMS Recovery Audit Contractor pilot program.

Since then, he has served as chief medical officer in multiple Medicare Advantage and Medicaid health plans. Most recently, he was chief medical officer of Care N’ Care, a provider-owned Medicare Advantage Plan in Texas, and served as the national chief medical officer for Medicare at Anthem BCBS.

He has participated on the Board of NAIRO, the National Association of Independent Review Organizations; the American Diabetes Association; and has been a Fellow of the American College of Surgeons, the American Institute of Healthcare Quality, the Institute of Medicine of Chicago and the American Academy of Facial Plastic and Reconstructive Surgery.

As an expert in his field, he has spoken nationally on Fraud, Waste and Abuse; palliative and end of life care and Quality. He resides in Texas and works with Dane Street’s clinical and FL Operations teams for our Group Health division.