Welcome to Pacific Coast Periodontics

450 Sutter Street, Suite 2400

San Francisco, CA 

About Us

Meet our Periodontists


Dr. Sohyun Park is a board certified periodontist who earned her DDS from the State University of New York at Buffalo, Certificate in AEGD from Lutheran Medical Center, and Certificate in Periodontology and Dental Implants from the University of Pittsburgh. Additionally, she received her MDS (Master of Dental Science) during her postdoctoral periodontal program with a research project on bone graft for implant placements. Dr. Park currently serves as an Adjunct Assistant Professor in the Department of Periodontics at the University of the Pacific.


Dr. Park is very excited to provide the service in the San Francisco Bay area with caring, comprehensive, evidence-based dental care. Her scope of dental care includes treating all areas in the field of periodontics, including surgical and non-surgical disease control, LANAP (Laser-Assisted New Attachment Procedure), soft tissue grafts, crown elongations, PAO (periodontally assisted orthodontics), guided bone and tissue regenerations and implant dentistry. 

Dr. Park is certified with LANAP for laser therapy and Wilckodontics for periodontally assisted orthodontics, and her professional memberships include the American Academy of Periodontology, the American Board of Periodontology, the American Dental Association, 

the California Dental Association, and the San Francisco Dental Society. 

Dr. Mark Wiesen graduated magna cum laude from the State University of New York at Buffalo, School of Dental Medicine. He continued his professional experience with a general dental residency at Barnes Hospital in St. Louis. He received his advanced certificate in Periodontics from the State University of New York in Stony Brook. He has been in private practice in the Bay Area since 1998. 

Dr. Wiesen has lectured at the IADR and AAP on his clinical experience with bone regeneration. Furthermore, he served on the distinguished committees for education and membership for the AAP. He served on the Board of Directors for Southern Alameda County Dental Society and the Northern California Asian Dental Association. Dr. Wiesen was the Ethics Chair for the San Francisco Dental Society for 10 years. Dr. Wiesen is an active member of many professional organizations:

American Dental Association

California Dental Association

San Francisco Dental Society

American Academy of Periodontology

Institute for Advanced Laser Dentistry. 

Dr. Wiesen is also a staff periodontist at the Palo Alto Veterans Administration Medical Center

Periodontal Procedures

Our team offers a broad range of both surgical and nonsurgical periodontal procedures. 

Our focus is on minimally invasive procedures such as laser assisted new attachment procedure (LANAP) for the treatment of periodontitis, gum graft for the recessions, and dental implants. 


Our practice will be happy to help discuss insurance benefits as they relate to your periodontal care. Just provide your current insurance information and we will prepare an estimate of coverage prior to any treatment. 



Contact Us

450 Sutter Street, Suite 2400

San Francisco, CA 94108



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