Dr. Greene has been at the forefront of occupational and environmental medicine for over 30 years. His commitment to authentically understanding the needs and challenges of diverse workers throughout his career, propelled Dr. Greene to launch ProActive Work Health Services. After working in the ER, medical ward, and ICU for over two decades; today, he leverages his extensive medical experience to deliver excellent medical care to the Southern California workforce. Dr. Greene embraces the responsibility and complexities that it takes to enhance the health of workers through preventative medicine, clinical care, disability management; with the understanding that a healthy workforce impacts the overall success of any enterprise. At ProActive, Dr. Greene has been addressing the occupational medicine needs of employers across critical sectors including government, tech, manufacturing, commercial, chemical, emergency services, and transportation to name a few. Dr. Greene attended the University of California at Irvine, UCLA School of Medicine, and completed the Internal Medicine Residency Program at Kaiser Hospital in West Los Angeles.

Dr. Nguyen is a board-certified occupational medicine specialist with over 20 years of executive physician leadership experience. After completing his medical training and serving in the Navy, Dr. Nguyen joined US HealthWorks in October 2007 and rose to the position of Vice President of Medical for the West Division overseeing 56 medical clinics in Southern California and Arizona. He expanded his leadership role when Concentra acquired US HealthWorks in February 2018 and took on the role of Vice President of Medical Operations for the Pacific, providing medical leadership to over 100 clinics and 250 clinicians in California and in Hawaii while managing over $750 million in revenue.

Dr. Nguyen completed his undergraduate degree at the University of California Riverside, and then earned his medical degree from the Kirksville College of Osteopathic Medicine. He completed his internship in general surgery in the Navy and his occupational medicine residency at the University of Pennsylvania. He also has a Master of Public Health (MPH), Master of Healthcare Administration (MHA), and a Master of Geriatrics Health (MGH) from A.T. Still University School of Health Management, and a Master of Business Administration (MBA) from the USC Marshall School of Business.

Dr. Nguyen is a Fellow of the American College of Occupational and Environmental Medicine (FACOEM). He is a past President of the Osteopathic Physicians and Surgeons of California (OPSC), and currently serves on the Board of Directors for the Western Occupational Environmental and Medical Association (WOEMA), and on the California Coalition of Workers Compensation (CCWC). He is an active member of the California Medical Association (CMA) serving as a specialty delegate, and is also an adjunct clinical faculty member of Touro University College of Osteopathic Medicine in Vallejo, CA. Dr. Nguyen is certified as a Medical Review Officer (MRO}, a Medical Expert Reviewer for the Osteopathic Medical Board, and a Civil Surgeon.

Dr. Brian W. Capeloto is a renowned practicing physician and surgeon. He has worked in Occupational Medicine and Surgery for 30 years, as well as surgery, primary care, and urgent care. Dr. Capeloto is a Phi Beta Kappa scholar who graduated with the highest honors from the University of California, Irvine where he obtained a diverse academic and research background.

Dr. Capeloto is also an honors graduate from the University of California, San Diego School of Medicine where he concentrated in General and Plastic Surgery. He completed his postgraduate residency training at the prestigious University of Pennsylvania in Philadelphia in General Surgery with an emphasis on Plastic and Reconstructive Surgery.

In addition to working in Occupational Medicine and Surgery, Dr. Capeloto is a certified Medical Review Officer (for the workplace and private drug testing), FMCSA/DOT Certified Examiner, Radiography
Supervisor, and Operator. Currently, Dr. Capetolo serves as the Medical Director at ProActive Work Health Services in Ontario, CA. He is proficient in multiple European and Asian languages. Outside of the office, Dr. Capeloto is an accomplished musician.

Dr. Glousman, is an orthopedic surgeon and expert in Workers Compensation injuries and Medical-Legal Forensic orthopedic surgery and nationally known as a sports medicine expert. His vast experience in successful nonoperative and rehabilitative treatment techniques allow for his patients to avoid surgery.

Dr. Glousman’s stellar medical career has placed him in the top five percent of Southern California’s physicians. He has earned recognition by US News, Los Angeles Magazine and the LA Times to name a few. He has consulted for the Los Angeles Lakers, Anaheim Angels and served as the inaugural team orthopedic surgeon for the Anaheim Ducks. USC’s Athletic Department entrusted Dr. Glousman to serve as the USC Basketball team’s physician and surgeon.

Dr. Glousman earned his medical doctorate at UCLA with AOA honors and completed his orthopedic surgery residency at the University of Southern California. Dr. Glousman completed a Sports Medicine Fellowship at the Kerlan-Jobe Orthopaedic Clinic after which he joined the group and became a partner for 27 years before starting his own private practice in 2013.

Dr. John A. Barone, D.O., M.S. is a physician specialized in Occupational Medicine with over 40 years of experience. Dr. Barone has held leadership positions as Center Medical Director at US healthworks for 18 years ; and Concentra for 5 years, with a interned in Cal OSHA, is leadership, experience, reputation and understanding of the complexities found in the Occupational Medicine Industry gained him Occupational Physician roles at the City of Los Angeles and at the U.S. Navy-Long Beach Naval Station. Dr. Barone is licensed by the American Board of Preventive Medicine and Board Certified in Occupational Medicine. Dr. Barone obtained his Bachelor of Science from the University of Dayton in Dayton, OH. He also obtained his Doctor of Osteopathic Medicine degree from Kansas City University of Medicine and Biosciences in Kansas City, MO. He obtained his Master of Science in Occupational Medicine from University of California, Los Angeles (UCLA) and completed his Residency in Occupational Medicine at the University of Southern California (USC). he co-authored for The Journal of Occupational Medicine in September 1987, titled, “Smoking as a Risk Factor in Noise-Induced hearing Loss.”

Dr. Wehmer graduated from The University of Missouri in 1970 at which time he was commissioned into the United States Air Force (USAF). There he served 6 years in the USAF. Later, he pursued his medical degree from the University of Texas McGovern Medical School and graduated in 1982. Dr. Wehmer completed his Residency in Family Practice in 1985 and practiced Family Medicine in Bastrop, Texas until 1994. Dr. Wehmer’s passion for the field of medicine propelled him to attend the University of Texas School of Public Health and completed a residency in Occupational Medicine in 1998. Dr. Wehmer has practiced Occupational Medicine since the mid ‘90’s. Today, Dr. Wehmer has served as the Medical Director at ProActive Work Health Services in Freeport, Texas since January 2019.

Dr. Seefeldt, MD is a practicing Orthopedic Surgeon who graduated
from the University of Kentucky College of Medicine in 1994. He also completed his
Internal Medicine Residency at Good Samaritan Hospital, Cincinnati Ohio in 1997.
He completed his education the following year with a fellowship in Primary Care
Sports Medicine at the American Sports Medicine Institute in Birmingham, AL.

Dr. Seefeldt practiced Sports Medicine in Houston, TX for fourteen years. His specialties include Internal Medicine and Sports Medicine. Dr. Seefeldt has been Board Certified in Sports Medicine since 2002 and has been practicing Occupational Medicine since 2013 and brings over 25 years of medical treatment experience to ProActive Work Health Services in Freeport, TX.

Dr. Donald W. Ferguson II, M.D. recently joined ProActive Work Health Services at the Dallas location. He is a highly experienced Occupational Medicine professional practicing medicine in a number of facets for over thirty years. Dr. Ferguson also holds a D.E.A. Certificate, NPI number, and is Certified by the National Registry of Certified Medical Examiners.

He obtained his Doctorate of Medicine and Surgery from the CEBU Institute of Medicine as an academic scholar. Additionally, he completed doctoral programs in biochemistry and
physiology at the State University of New York and graduated Cum Laude and on the Dean’s List from Adelphi University, on academic scholarship.