Meet Dr. Dean L. Duncan, DDS

Oral Surgeon in San Francisco


Dean L Duncan DDSSouthern California was home to Dr. Duncan until graduation from high school; he then departed for San Luis Obispo, where he majored in biological sciences at Cal Poly. His career as a highly successful Oral Surgeon began when he entered the School of Dentistry at the University of the Pacific in San Francisco. After receiving his DDS degree, he performed a one year general practice residency at the Veterans Administration Hospital in Topeka Kansas, before moving back to Southern California and beginning his residency in Oral and Maxillofacial surgery. Upon completion of his requirements at Long Beach V.A. and U.C. Irvine Medical Centers, Dr. Duncan journeyed back to San Francisco, where he established his oral surgery practice on July 1, 1980 in the West Portal district.

Dr. Duncan is Board certified in Oral and Maxillofacial surgery as well as a Diplomate of the American Board of Oral and Maxillofacial Surgery. |

For more information, or to schedule a consultation, please call our office in San Francisco, CA at West Portal Oral & Facial Surgery Center Phone Number 415-661-6006, or request an appointment online.

He also belongs to a number of professional organizations:

  • American Association of oral and Maxillofacial Surgery
  • Western Society of Oral and Maxillofcation Surgery
  • California Association of Oral and Maxillofacial Surgery
  • Academy of Osseointegration
  • American Dental Association
  • California Dental Association
  • San Francisco Dental Society

Dr. Duncan is happily married and the proud father of 2 grown children. He is an avid sports enthusiast; enjoying golf, downhill skiing and yoga.


West Portal Oral & Facial Surgery Center

5 out of 5 stars based on 37 reviews.

Patient Review By youngsoon a


- youngsoon a

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Patient Review By Sister William Eileen Dunn D

All the staff and Dr. Pat were very professional and worked well as a team in providing excellent high quality service and care. When you first walk into the reception area you feel very welcomed to the center. The receptionists create a very positive image of the center

- Sister William Eileen Dunn D

5 out of 5 stars on

Patient Review By Karen L

Completely satisfied with my experience with the West Portal oral surgery center. From the front desk folks, to the surgeon and support staff, my experience was excellent. They prepared me well, the procedure went quickly and smoothly, the post op instructions and meds were clear, comprehensive and effective. Very positive experience.

- Karen L

5 out of 5 stars on

Patient Review By Thomas M

Top-Notch! Dr. Duncan and the West Portal team are stellar. This is what going to the doctor should be about. Pleasant, taking time to address all your questions, making you feel comfortable and putting your fears at ease. If I ever need to have oral surgery in the future, I would go back to Dr. Duncan and West Portal immediately. I cannot sing their praises enough. It's rare to find such high quality medical service. I am so grateful for them! Thank you, thank you, thank you!

- Thomas M

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Patient Review By Julie F

I love West Portal! I've been coming for a year, at least, and they're always smiling, friendly and waiting to help. Dr. Duncan is by far an amazing Dr. With a great sense of humor and awesome chair-side manner! I have and will refer West Portal Oral and Facial Surgery to anyone!! Thanks West Portal Oral ans Facial Surgery!

- Julie F

5 out of 5 stars on

Patient Review By Angelique A

Your staff is amazing, specially Mina! She made me feel very comfortable. I even have my son, Dominick Antelo getting his wisdom teeth removed.

- Angelique A

5 out of 5 stars on

Patient Review By Shirley B

wonderful service from everyone all around prefect office, doctors, staff... LOVE LOVE LOVE THIS PLACE!

- Shirley B

5 out of 5 stars on

Patient Review By Madison S

Very Professional, pleasure to work with Dr. Duncan's scheduling coordinator

- Madison S

5 out of 5 stars on

Patient Review By Lana M

Highly recommend to anyone who may be in need of cosmetic and dental surgery. Best in the City!

- Lana M

5 out of 5 stars on

Patient Review By Dennis C

I had surgery by Dr. Patwardhan twice, first bone grafting and approximately three months later placement of two dental implants. Dr. Patwardhan is not only a brilliant surgeon, she is kind, compassionate, and sensitive to each patient's particular anxieties and needs. She called me personally after each surgery at the end of her very long day to make sure I was feeling well and to address any concerns I might have. Both procedures were painless and the postoperative discomfort was minimal to nonexistent, not requiring any pain medication at all. Every single staff member at the Stonestown Oral & Facial Surgery Center is just as incredible as Dr. Patwardhan--kind, caring, and extremely competent. It's a perfectly run office. I feel very fortunate to have been referred here and do not think I could be in better hands. Thank you to everyone at Stonestone Oral & Facial Surgery Center for the excellent care. To anyone looking for comprehensive dental care, look no further--you've found the best.

- Dennis C

5 out of 5 stars on