

Meet our friendly dental staff. We are excited to serve the Castaic community!
Have a question about what a dental term means?
Please ask us or click on the glossary of dental terms provided by the American Dental Association.









Loma Linda University, School of Dentistry, Loma Linda, CA
Biology from UCR, Riverside, CA
Dr. Watanabe has been practicing dentistry since 1990. He and his wife have been married since 1991; together they have 2 children and a tortoise.
"I referred a patient to her doctor and oral surgeon to evaluate a suspicious lesion on her x-ray. It looked like advanced periodontal disease. It turned out to be cancerous. She had 5 teeth and a portion of her mandible removed. Her daughter came in and thanked me for saving her mother's life."
Book: "War & Peace", Film: "Tombstone", TV Show: "CSI"
University of Southern California; Los Angeles, CA
University of California, Irvine; Irvine, CA
Dr. Boghosian has been practicing dentistry since 2002. In her spare time, she enjoys Muay Thai, Dancing, yoga, running, studying interior design, and traveling. She has traveled the world and visited places such as Europe (east & west), Thailand, Greece, Japan, Mexico, Russia, and South America (Peru & Bolivia). She has hiked the Inca Trail and was an amateur Muay Thai fighter for five years – undefeated.
“I will be committed to delivering the best dental care to you that I can. I will be there to explain the treatment, your choices, all risks, benefits, and alternatives. I want to earn your trust, respect, and confidence. My biggest strength is that I hold myself to the highest standard – every minute of every day.”
Dr. Boghosian’s favorite book is The Kite Runner. Her favorite movie is “The English Patient.” She enjoys watching her favorite TV show, La Femme Nikita (earlier version).
New York University College of Dentistry; New York, NY
Studio Art/Biology, Bucknell University; Lewisburg, PA
General Practice Residency; Long Island College Hospital; Brooklyn Heights, NY
American Academy of Cosmetic Dentistry, American Dental Association
When not busy practicing dentistry, Dr. Steinbach loves to paint, travel, and play squash.
“I take pride in helping my patients achieve the beautiful smile they’ve always wanted! I strive to create aesthetic, long-lasting dental restorations, and to provide a gentle, pain free experience.”
Dr. Steinbach’s favorite books are The Double by Jose Saramago and Master and Margarita by Mikhail Bulgakov.
University of California Los Angeles; Los Angeles, CA
Microbiology and Molecular Genetics, University of California Los Angeles; Los Angeles, CA
Oral and Maxillofacial Surgery at Harbor/UCLA Medical Center; Torrance, CA
American Association of Oral and Maxillofacial Surgeons, California Association of Oral and Maxillofacial Surgeons, Southern California Academy of Oral Pathology, American Dental Association, California Dental Association, Western Los Angeles Dental Society
Dr. Marhabi has been practicing dentistry since 2003.
Inducted into the Center for Excellence in Education
Humanitarian missions to South America; treating cleft lip/palate patients on international missions
“My patients can rest assured that from start to finish their treatment will involve the utmost attention to detail with gentle hands.”
Dr. Marhabi’s favorite movie is Austin Powers: International Man of Mystery.
University of the Pacific, School of Dentistry, San Francisco, CA
Advanced Education in Periodontics and Implant Dentistry, Loma Linda University, School of Dentistry, Loma Linda, CA
American Academy of Periodontics, American Dental Association, California Dental Association, California Periodontal Society, Tri-County Dental Society, American Academy of Osseointegration
Dr. Soleiman has been practicing Periodontics and Implant Dentistry since 1999. He and his wife have 3 children. He enjoys basketball, working out, watching movies, and camping with his family.
TKO/OKU Dental Honor Society (1995-96), American Academy of Periodontology Award for Outstanding Achievement in Periodontists (1996)
"As a specialist, I take great pride in my work. I am always in pursuit of perfection and never compromise the care of my patients. Each individual has different needs and it is my goal to provide tailor-made care to each person. I plan to make your visit with me as informative, pleasant and, most importantly, as painless as possible. That is why I offer multiple forms of sedation; such as Oral, Nitrous Oxide, and IV Sedation in order to make my patients as comfortable as possible."
University of California, Los Angeles; Los Angeles, CA
Endodontics; New York University, New York, NY
American Association of Endodontists, California Dental Association, American Dental Association
Dr. Yadegar has been practicing dentistry since 2008. In his spare time, he enjoys soccer, basketball, football, cooking, traveling to new destinations, and spending time with his Doberman Pinscher.
Dental services in underprivileged communities
“Most patients have a negative connotation outlook on getting a root canal. Therefore, it is my goal to make sure that my patients are comfortable and pain-free during the root canal procedure.”
University of California, Los Angeles; Los Angeles, CA
University of the Pacific; San Francisco, CA
Orthodontics, University of the Pacific; San Francisco, CA
American Dental Association, California Dental Association, American Association of Orthodontists
Dr. Moadel has been working in the dental industry since 2008. In his spare time, he enjoys basketball, tennis, and skiing.
Deans Scholar (UCLA Dental School)
summa cum laude (UCLA)
“Every patient deserves the best quality of care. I want every patient of mine to love the treatment and the results.”
Harvard School of Dental Medicine, Boston, MA
Masters in Medical Sciences, Harvard School of Dental Medicine, Boston, MA
Advanced Education in Periodontics and Implant Dentistry, Harvard School of Dental Medicine, Boston, MA
Chasens Teaching and Research Fellow & Award Recipient from the American Academy of Periodontology
American Board of Periodontology (Diplomate), Former full time Instructor at Harvard School of Dental Medicine, Lecturer at UCLA School of Dentistry, Ambassador for the American Academy of Periodontology Foundation
“As your periodontist, my objective is to provide my family of patients with integrity driven comprehensive care. As my patient, you are a member of your own treatment team, and should feel comfortable asking questions knowing that your well-being holds the highest priority. I look forward to showing you that I am not only a clinician dedicated to achieving excellence, but also dedicated to being a compassionate and genuine provider for you.”
Oxnard College; Oxnard, CA
American Dental Hygienists’ Association
When not practicing hygiene, Laura enjoys outdoor activities such as hiking, camping, and wakeboarding. She also enjoys spending time outdoors with her nephew and family.
Student Leadership award
Volunteer, Simi Valley Free Dental Clinic
“I am a compassionate, personable person who enjoys caring for the specific needs of each individual patient.”
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