Meet Our Team

When you visit the team at Sierra Oaks Dental, a group of diverse, hardworking dental professionals will take care of your every need. From the front office to the operatories, our team works together to exceed your expectations, especially when it comes to enhancing your appearance with cosmetic dentistry or improving the performance of your smile with dental implants or Invisalign® clear aligners. Our dentists and team have the right mix of care and experience to help you enjoy a lifetime of great smiles, and we are happy to serve English, Spanish, Russian and Korean speakers. You can learn more about our team below, or you can call (916) 481-2000 to schedule your dental appointment in Sacramento, California.

Dr. Peter Kim of Sierra Oaks Dental Sacramento

Peter Kim, DDS

Dr. Peter Kim has been serving the Sacramento community for eight years. Dr. Kim is best known for prioritizing his patient’s needs and delivering excellent treatment, even on weekends, holidays and after hours in emergency cases. Regardless of the emergency, patients leave knowing they are in the best hands in all of Sacramento. Patients admire Dr. Kim’s honest, intelligent and precise dentistry. In return, Dr. Kim enjoys forming bonds with the patients we care for.

Having grown up in the heart of the Bay Area, Dr. Kim graduated from University of California, Berkeley, followed by San Francisco’s University of the Pacific as a Doctor in Dental Science. He is a strong supporter of the University of the Pacific’s Dental Program and is an active Alumni. Furthermore, Dr. Kim works hard to maintain a high standard for dentistry in our community as a participating member of the American Dental Association and California Dental Association.

Since 2012, He also serves on the faculty club at the prestigious SPEAR education center in Scottsdale, Arizona. Less than 1% of dentists in the entire country have this privilege and it signifies his dedication to the best possible experience for that of his practice and patients. He has earned his implant certification from the world renowned AIC education center and completed this training at the UOP Dental AEGD clinic. He stays up to date with the latest in the dental field by staying associated with ITI International Team for Implantology in Switzerland, AIC implant education in San Francisco, the Academy of General Dentistry, and various study clubs throughout Northern California.


Dr. William Altig, dentist at Sierra Oaks Dental

William Altig, DDS

Dr. Altig attended and graduated from the University of California at Riverside with a bachelor’s degree in psychobiology in 1993. He graduated from USC School Of Dentistry in 1997 and was a member of Psi-Omega dental fraternity. He practiced dentistry in Southern California for a few years until moving from Huntington Beach, California, to the Sacramento area in the summer of 2000.


Maria, a registered dental hygienist for Sierra Oaks Dental Sacramento

Maria M. — Registered Dental Hygienist

Maria is very dedicated to her patients and her five children. She graduated from the University of California, San Francisco in 1988. Maria has loved many aspects of her job since joining Sierra Oaks Dental as a Registered Dental Hygienist in 1993; however, she specializes in delivering patient care and forming relationships with her patients that last a lifetime. Maria’s commitment to her patients is remarkable, and her patients have the same level of commitment to her.

Jose R

Jose R. – Registered Dental Assistant, Expanded Functions Dental Assistant II, Training and Development Leader

Jose joined our team in July of 2019. He is a 1999 graduate of Delta High School and attended SSC for a year and a half. He was involved in an accident that in a way, helped him find his life’s passion for dentistry. He graduated from Anthem College in 2003 and returned to school in 2011 to obtain his Expanded Functions license. He has been in dentistry since 2004 and continues to grow in his knowledge and skills. He loves helping people in our community feel better about their smiles.

Jose believes that being an Expanded Functions dental assistant allows the dentists to be available to see more patients since he is able to step in and finish dental procedures. He enjoys the great teamwork and family atmosphere at our office.

Jose became a father to a beautiful girl in 2018. She is the center of his universe and his motivation to become a better parent, friend and overall person. In his free time he likes to play soccer, draw and paint.

Betty, accountant for Sierra Oaks Dental Sacramento

Betty J. — Accountant

Betty studied accounting at college in Korea and San Francisco and joined our team in January 2017. Before she worked at Sierra Oaks Dental, she worked at a CDA office in San Francisco and as part of a Samsung information systems team in San Jose. Her second son is a musical actor in Hollywood!

Peter J, Property Maintenance Manager

Peter J. – Property Maintenance Manager

Peter joined Sierra Oaks Dental in the Fall of 2019 and has worked hard since then to make sure our office is always clean and organized. In addition to making everyone smile with his positive attitude, Peter enjoys making improvements to the building so the staff and patients have the best possible experience. In his free time he enjoys gardening and cooking.