Home ONLINE PATIENT FEATURES REFERRING PHYSICIANS ABOUT US PHYSICIANS/PROVIDERS OUR LOCATIONS POLLEN & MOLD COUNT CLINICAL STUDIES INSURANCE PLANS FAQ’s HOT TOPICS PATIENT EDUCATION PATIENT PRIVACY CONTACT US           The Carolina Asthma and Allergy Center, P.A. (CAAC) is a synergetic regional care center anchored by 11 allergists, board-certified by the American Board of Allergy and Immunology and a Physician’s Assistant, who have joined together to provide specific and consistent care and treatment for those individuals who suffer with allergies, asthma and related diseases. Board Certifications: - American Board of Allergy and Immunology, 1974 - American Board of Pediatrics, 1973 Patient Profile: Children and adults, no geriatrics. Offices Attending: Main-7th Street Concord Rock Hill, SC   more details¬ David Lefkowitz, III, M.D. Board Certifications: - American Board of Allergy and Immunology, 1979, Re-certified 1999 - American Board of Pediatrics, 1978 Patient Profile: Adults and adolescents, children by referral. Offices Attending: University Main-7th Street Concord Rock Hill, SC   more details¬ John T. Klimas. M.D. Board Certifications: - American Board of Allergy and Immunology, 1985 - American Board of Internal Medicine, 1981 Patient Profile: All adults and children. Offices Attending: South Charlotte Office Main-7th Street Concord Rock Hill, SC   more details¬ Glenn W. Errington, M.D. Board Certifications: - American Board of Allergy and Immunology, 1983, Re-certified 1993 - American Board of Pediatrics, 1982 Patient Profile: Children and adults. Offices Attending: Gastonia University Mooresville Main-7th Street   more details¬ Richard S. Roberts, M.D. Board Certifications: - American Board of Allergy and Immunology, 1997, Recertified 2007 - American Board of Pediatrics, 1991 Patient Profile: All Children, and adults. Offices Attending: Main-7th Street South Charlotte Office Concord Monroe   more details¬ Richard E. Collins, III, M.D. Board Certifications: - American Board of Allergy and Immunology, 1997, Recertified 2007 - American Board of Pediatrics, 1995 Patient Profile: Children and adults . Offices Attending: Gastonia University Main-7th Street   more details¬ Beth A. Seiler, M.D. Board Certifications: - American Board of Allergy and Immunology, 1991, Recertified 2001 - American Board of Internal Medicine, 1986 Patient Profile: Adults and children 4 years and older. Offices Attending: Gastonia South Charlotte Office Main-7th Street   more details¬ Richard P. Silton, M.D. Board Certifications: - American Board of Allergy and Immunology, 1999 - American Board of Internal Medicine, 1996 Patient Profile: Adults and children. Offices Attending: University Mooresville Main-7th Street   more details¬ John Gray Norris, M.D. Board Certifications: - American Board of Allergy and Immunology, 1977 - American Board of Internal Medicine, 1976 Patient Profile: Adults and adolescents. Offices Attending: Main-7th Street South Charlotte Office Concord   more details¬ O. Robert Boehm, M.D. Board Certifications: - Board Certified 2003 - American Board of Internal Medicine - Board Certified 2005 - American Board Allergy/Immunology Patient Profile: All Ages - Bilingual. Offices Attending: Concord South Charlotte Office Monroe Main-7th Street   more details¬ Maeve E. O'Connor, M.D. Board Certifications: - American Board of Allergy and Immunology, 2003 - American Board of Pediatrics, 2000 Patient Profile: Children and Adults. Offices Attending: South Charlotte Office Main-7th Street Gastonia Monroe   more details¬ Michael A. Lapuente D.O. Board Certifications: - American Board of Allergy and Immunology 2007 American Board of Internal Medicine Patient Profile: Children and Adults. Offices Attending: Monroe Mooresville Main-7th Street Rock Hill, SC   more details¬ Susan I. Hungness, M.D. Board Certifications: - American Board of Allergy and Immunology 2007 - American Board of Internal Medicine, 2005 Patient Profile: Adults and children. Offices Attending: Mooresville Concord Main-7th Street Rock Hill, SC   more details¬ Roopen R. Patel, M.D. Board Certifications: - National Commission of Certification of Physician Assistants, 2002 Patient Profile: Children and Adults. Offices Attending: Main-7th Street Coverage to all locations   more details¬ Leandra Tonweber, PA-C © 2007, CAAC  Data Consulting Group Confidentiality