Dr. Frank J. Ostir
Dr. Frank J. Ostir is a graduate of Joliet West High School. He performed his undergraduate work at Eastern Illinois University and Joliet Junior College. Dr. Ostir completed his Bachelor of Science in human biology at Logan College of Chiropractic and in December of 1988 received his Doctor of Chiropractic.
After graduation, he practiced in Nashville, Tennessee. At the end of his associateship he returned to his hometown of Joliet, and opened Ostir Chiropractic in 1990. Currently Dr. Ostir has medically integrated the office, and changed the name to Ostir Physical Medicine. The practice has consistently grown in its 22 plus years serving the Joliet community.
In 2004, the office moved to its 3rd location, a 6000 sq. ft. state of the art facility located on the corner of Black and Essington Roads.
Dr. Ostir is currently licensed in Illinois and has had past licensure in Missouri and Tennessee. He is National Board certified for parts 1, 2, and 3, and continually studies advances in the fields of physical medicine, rehabilitation, and chiropractic. Dr. Ostir holds certification in Activator, Cox, and Diversified techniques. He is a member of the American Chiropractic Association and Illinois Chiropractic Society.
Dr. Ostir has been active in the community for the last 20 years. He has organized food drives and actively supports the Morning Star Mission. He is active in St. Joseph’s Church in Joliet and has served as President of the finance committee. He donates his time as a wrestling coach for Plainfield Central High School. He currently resides in the community with his wife and children.
Dr. Daniel C. Beal
Dr. Beal was born and raised in Roseville, California, just minutes from the capital of Sacramento. He is a graduate of Roseville High School and completed his undergraduate course work at Sierra College in Rocklin, California and New College of California in San Francisco. In June of 1996 he obtained his Bachelor’s degree and Doctorate in Chiropractic from Palmer College of Chiropractic in Davenport, Iowa. Dr. Beal has recently obtained a Master’s degree in Nutrition from the University of Bridgeport in Connecticut.
After graduation Dr. Beal moved back to California and practiced in Sacramento Valley. He recently moved to Illinois to be closer to his wife’s family, and is happy to now be practicing at Physical Medicine Institute of Joliet.
Dr. Beal is Illinois and California licensed and is Nationally Board certified for parts 1-4. He is continually taking continuing education seminars to stay up to date with the ever-changing health care field. He is proficient at Activator, Diversified, Thompson, and Toggle Recoil techniques.
Dr. Beal is a former member of the California Chiropractic’s Association. He served on the board for the Sacramento Valley District for 2 years and also served as the Vice-President of Internal Affairs for 1 year. He also received the “Outstanding New Chiropractor of the Year Award” in 1998. Dr. Beal was also a member of a Sacramento business group. He served as Vice-President for 1 term and President for 2 terms. He also received the “Leader of the Year Award” from the same group. He was very active in the Roseville and Stockton Chamber of Commerce and is becoming involved in the Joliet area. Dr. Beal is also an Adjunct Faculty member at Joliet Junior College.
Dr. Jeffrey A Cullen
Dr. Jeffrey A. Cullen M.D. is the Medical Director for Ostir Physical Medicine. He currently practices Interventional Pain Management. Dr. Cullen completed his undergraduate work at Cornell University in New York. He received his Doctor of Medicine in 1994 from the Rush Medical College in Chicago, and completed his Internal Medicine Residency in 1997 from Rush Presbyterian-St. Luke’s Medical Center in Chicago, Illinois, he then continued his training at The University of Chicago.
In 1997, Dr. Cullen practiced at Rush University Medical Center as an Attending Physician in the Department of Internal Medicine and also as an Instructor for the medical school.
Dr. Cullen is Board Certified by the American Board of Internal Medicine, and the American Academy of Pain Management.
Rita Amerio, A.N.P.
Mrs. Amerio is the nurse practitioner at Ostir Physical Medicine. She completed her bachelors in Nursing at Lewis University in Romeoville in 1985, and then received her Master’s Degree in Nursing in 1996 from St. Xavier University in Chicago.
Mrs. Amerio has had extensive experience in various fields of healthcare. She has practiced in internal medicine, urology, obstetrics, and physical medicine. In addition, she has served as Department Chair at Moraine Valley Community College, and as the Director of the Undergraduate Nursing Program at Lewis University. She has also been an instructor at St. Xavier University and Moraine Valley Community College as well. Her academic accomplishments and experience are a welcomed addition to Ostir Physical Medicine.
Dr. John Silosky D.C.
Dr. John Silosky grew up in Plainfield and is a graduate of Plainfield Central High School. He did his undergraduate work at Northern Illinois University. After he earned his B.S. degree in Human Biology, he received his Doctor of Chiropractic degree from Logan College of Chiropractic in St. Louis, Missouri in December of 2008.
Dr. Silosky is currently licensed in Illinois, and Nationally Board certified for parts 1-3 and physiotherapy. He is proficient in Diversified, Thompson, Cox, and Logan Basic adjusting techniques. Over the past five years, he has obtained significant experience in the evaluation and treatment of lumbar disc herniations, Carpal Tunnel Syndrome, Degenerative Knee conditions, peripheral neuropathy, and a variety of other musculoskeletal conditions.
Dr. Silosky’s philosophy to treating patients is by utilizing a multidisciplinary and holistic approach to ensure the safest and most effective results possible for his patients.
Dr. Angelo Reyes M.D.
Dr. Angelo Reyes completed his undergraduate studies at University of Illinois-Urbana, Champaign. He went on to U of I-Chicago to complete medical school. He finished his medical training at Resurrection Medical Center where he attended a residency program in family practice.
Dr. Reyes has been in practice since 1998, and specializes in the area of treating musculoskeletal and neurological conditions. He is an expert in the area of peripheral neuropathy and is considered an opinion leader in the treatment of this condition. Physicians from all parts of the nation have come to get mentored by Dr. Reyes for his approach to treating neuropathy. He works closely with other Medical Specialists, Chiropractors, Physical Therapists, and Massage Therapists to treat acute, chronic, and common musculoskeletal/neurological conditions.
His philosophy toward medicine and patient care involves a holistic approach combining multiple specialties in order to fulfill the needs of the patients.









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