Members of the Children's Hospital cleft and craniofacial team are recognized experts in their fields. The dedicated doctors and specialists who make up the cleft and craniofacial team take pride in providing top-quality, sensitive care and in remaining accessible to patients and families. This section recognizes these specialists and their areas of expertise.
Audrey E. Bracchi, M.A.
Audrey Bracchi derives satisfaction from improving patients’ quality of life through improvements in hearing. She works to identify and manage of hearing loss in infants and children to minimize damaging effects on educational and psychosocial development. She is a member of the American Speech-Language-Hearing Association and the American Academy of Audiology.
Anne K. Simon, M.S.
Anne Simon performs audiological evaluations with children of all ages. If hearing loss is identified in a child, treatment may include aural rehabilitation and perhaps prescription of hearing aids. She ensures that children are receiving needed services in related fields, such as otolaryngology. She has earned certifications from the American Speech-Language-Hearing Association, the American Academy of Audiology and the Hearing Aid Dispensers Examining Committee.
Margie C. Crandall, R.N., Ph.D.
Since 1985, Margie Crandall has been a clinical nurse specialist with the cleft and craniofacial team, providing comprehensive assessment of patient and family needs as well as feeding evaluations. She also coordinates patient care in the hospital and clinics. She is particularly interested in helping resolve pain and feeding problems.
Jeanette Harrison, R.N.
Neonatal nurse Jeannette Harrison has expertise in continuous renal replacement therapy and care of premature babies.
Kathi I. Stewart, L.C.S.W.
Pediatric medical social worker Kathi Stewart has been a member of the cleft and craniofacial team since 1998. She identifies community services that can help enhance the growth and development of individual children and help them achieve improvements in the quality of their lives. She assesses the needs of patients and refers them to local and regional agencies that provide counseling, case management, developmental programs and other services. She also arranges local lodging for patients and families who travel long distances for treatment.
- Barbara Friedman, M.D.
- Marthand Eswara, M.D.
- Samuel P. Yang, M.D.
Nicholas W. Rotas, D.D.S.
Oral maxillofacial surgeon Nicholas Rotas, who has been associated with the Cleft and Craniofacial Program since 1993, is an expert in craniofacial anomalies. He calls upon colleagues with expertise in numerous disciplines to devise effective treatments for complicated craniofacial conditions. Rotas is a member of the American Dental Association, California Dental Association, Sacramento District Dental Society, American College of Oral and Maxillofacial Surgeons, American Association of Oral and Maxillofacial Surgeons, Northern California Society of Oral and Maxillofacial Surgeons, International Association of Oral and Maxillofacial Surgeons and the American Cleft Palate/Craniofacial Association.
Brian L. Royse, D.D.S.
Brian Royse is board-certified by the American Board of Oral and Maxillofacial Surgery. He is a member of the American Dental Association, California Dental Association, Sacramento District Dental Society, American Association of Oral and Maxillofacial Surgeons, and the Western Society of Oral and Maxillofacial Surgeons.
Voltaire V. Sambajon, D.D.S., M.D.
A physician as well as a dentist, Voltaire Sambajon cares for individuals with complex and challenging craniofacial problems. His philosophy of care is to treat and care for every person as he would want to be treated. He believes that his affiliation with UC Davis gives him the opportunity to interact with other experts in the field and thereby to provide the highest level of care for the community. He is a member of the American Association of Oral and Maxillofacial Surgeons, American Dental Association, American Medical Association, California Dental Association, California Medical Association, Sacramento District Dental Society and Sierra Sacramento Valley Medical Society. He has board certification from the American Board of Oral and Maxillofacial Surgery.
Hendrik F. Blom, D.D.S.
Hendrik F. Blom believes that a healthy smile is an immeasurably important part of our persona. He is rewarded by his ability to contribute to healthy, bright smiles through proper and timely care of patients with dental and facial discrepancies. He has been a member of the cleft and craniofacial team since 1983 and he is a member of the American Dental Association; California Dental Association, Sacramento District Dental Society, American Association of Orthodontists, American Board of Orthodontists, College of Diplomates; Pacific Coast Society of Orthodontists, and the California State Society of Orthodontists.
Gregory W. Evrigenis, D.D.S., M.S.D.
Orthodontist Gregory W. Evrigenis values his consulting role with the cleft and craniofacial team as an opportunity to give his patients optimal smiles and a healthy bite sufficient to last a lifetime. He meets with patients and their family members to discuss how proposed jaw treatment will resolve problems. A strong advocate of patient education, Evrigenis firmly believes that the more a patient understands, the better the results will be. Following surgery, many patients entrust him with their ongoing orthodontic care. He conducts research in canine eruption, impaction and timing of treatment, and alveolar bone grafting.
Richard R. Gere, D.D.S., M.S.
Orthodontics Richard R. Gere joined the University Dental Associates in 2005 after having been a member of the UC Davis Cleft Palate and Craniofacial Anomalies Panel for over 20 years. After graduating from the University of Southern California School of Dentistry in 1972 he spent two years as a general dentist on the Navajo Reservation in the Indian Health Services (USPHS). He received his Orthodontic training at the University of Nebraska and has been in private practice since 1976. Dr. Gere is practicing part time at UC Davis with an emphasis on treating patients with cleft palate deformities and other craniofacial anomalies.
Mark B. Peterson, D.D.S.
Restoration of severely compromised dental conditions is a specialty of Mark B. Peterson, D.D.S. A long-time member of the cleft and craniofacial team, he consults with other dental panel members as well as with physicians to determine the best treatments for patients. He views his role as that of educator, helping patients to make choices that will bring them satisfaction.
Peter W. Worth, D.D.S.
Dentist Peter W. Worth, who is certified by the American Board of Orthodontics, is a member of the American Dental Association; California Dental Association; Sacramento District Dental Society; American Board of Orthodontists, College of Diplomates; American Association of Orthodontists; Pacific Coast Society of Orthodontists; and the California State Society of Orthodontists.
Craig W. Senders, M.D., F.A.C.S.
Craig Senders is an expert in pediatric otolaryngology; cleft lip and cleft palate; endoscopic sinus surgery; and surgery for sleep apnea. Senders, who devotes three-quarters of his practice to pediatrics, is director of the hospital’s Otolaryngology Residency Program, as well as director of the Cleft and Craniofacial Program. He performs complex reconstructive surgeries on pediatric patients who have congenital anomalies of the head and neck, most of which involve cleft lip and cleft palate. Senders also has an interest in treating adults who have airway and sinus problems, including sinusitis, snoring and obstructive sleep apnea. In addition to conducting research into the development and treatment of facial birth defects such as cleft lip and cleft palate, Senders investigates the development and treatment of subglottic stenosis (narrowing of the airway at the voice box). He is a member of the American Cleft-Palate / Craniofacial Association.
Jonathan M. Sykes, M.D.
Jonathan M. Sykes is director of Facial Plastic and Reconstructive Surgery. He is an expert in facial aesthetic surgery, cleft lip and palate surgery, craniomaxillofacial surgery, and surgery of secondary traumatic deformities. He is a member of the American Cleft-Palate / Craniofacial Association.
Dennis Peterson, D.D.S.
Pedodontist Dennis Peterson has been specially trained in nasoalveolar molding (NAM), a special presurgical orthopaedic technique to fit infants with soft oral appliances designed to help reshape the lip, nose and palate. NAM improves the position of the alveolar (tooth-bearing) segments of the jaws and improves the shape and position of the nose and upper lip, thereby reducing the number of surgeries needed to correct the cleft lip and palate defects. The devices also may aid feeding by allowing an infant to achieve stronger suction.
Thomas A. Bullen, M.D.
Thomas A. Bullen is a primary-care physician who works closely with parents in recommending treatments for pediatric patients.
Robert S. Byrd, M.D., M.P.H.
Robert S. Byrd, chief of general pediatrics and director of pediatric outpatient services, maintains a practice that places emphasis on wellness, physical health, cognitive development and emotional/behavioral well-being. He subscribes to an evidence-based philosophy under which he discourages treatment of colds and other viral illnesses with antibiotics. In his research, Byrd concentrates on early literacy, school readiness and school performance. He has published research on uninsured children, preventive health services for adolescents, the health-care needs of urban children, bed-wetting, recurrent ear infections, and community characteristics associated with elevated blood lead levels.
Kevin Coulter, M.D.
Michael Lucien, M.D.
Kevin Tracy, M.D.
Susan J. Goodrich, M.S.
The cleft and craniofacial team’s primary speech pathologist, Susan J. Goodrich, specializes in treatment of speech problems of children who have cleft palates and craniofacial anomalies, velopharyngeal dysfunction for speech, and feeding and swallowing problems. She believes strongly in the Children's Hospital’s team approach because comprehensive treatment in many cases requires expertise in numerous disciplines. Her credentials include a certification of clinical competence in speech pathology from the American Speech-Language-Hearing Association, and a speech pathology license from the California State Board of Medical Quality Assurance. She is a member of the American Cleft-Palate / Craniofacial Association.
In addition to its dedicated team members, the Cleft and Craniofacial Program enlists the involvement of numerous physician consultants from other disciplines. They include:
Child Development and Behavior
Physical Medicine and Rehabilitation
- Erik Kurzrock, M.D.
- John M. Palmer, M.D.