Syndrome, Obesity, Diabetes, Hypertension, Cholesterol, Thyroid,
Osteoporosis, Menopause, Andropause, Bio-Identical Hormones for Men & Women

2425 East Street - Suite 15, Concord, CA 94520 - (925) 682-9232

Disease Information
Bio-Identical Hormones
Diabetes Type 1
Diabetes Type 2
Thyroid - Hyperthyroidism
Thyroid - Hypothyroidism

 Meet Our Staff

Dr. Stephen B. Lewis
  Dr. Stephen B. Lewis opened his offices in Concord, California in 1993 after retiring from a twenty year career with the United States Navy as a Captain with Top Secret Security Clearance status. Dr. Lewis graduated from University of California, Berkeley in 1962, with a B.A. in Zoology and from the Washington University School of Medicine, St. Louis, MO. in 1966 with a M.D. Since 1995 Dr. Lewis has been a Certified Diabetes Educator.

(Pictures goes Here)
Ashlie Nicol
Office Manager

  Ashlie has been working for Dr. Lewis since 2011. Her goal is to provide an organized work atmosphere for the doctors and team, while creating a friendly, inviting environment for all of the patients. Her responsibilities are wide and varied but include: prescription, lab orders, referrals and managerial tasks.

(Pictures goes Here)
Amanda Toscano Medical Assistant

  Amanda is the newest member of our team, she assists in rooming patients. Her responsibilities include obtaining vital signs, updating medication lists, giving injections, and various office procedures. Her main focus is patient care; with her bubbly personality she puts patients at ease in the office. She has been a great addition to our team.

(Pictures goes Here)
Karen Tinder
Nurse Practitioner

  Karen is a graduate of the University of California, San Francisco; she brings knowledge, understanding, and compassion to our team. She draws from many years of experience in primary and urgent care settings to assist you when it would be difficult to see Dr. Lewis.

(Pictures goes Here)
Maggie Oseguera
Bilingual Medical Assistant/Front Desk
  Maggie is the first one you usually see when you arrive at our office. She makes sure patients feel comfortable and welcome in our practice. She will assist you with all of your appointment and insurance needs. She is very helpful and also assists with patient procedures and any other areas she is needed in.





Email this page to a friend Email Page to a Friend  | Print this Page  | Bookmark this Webpage | Doctor Stephen B Lewis Dr Stephen Lewis RSS Feed Our Dr Stephen Lewis RSS Feed
Send email to with questions or comments about this web site.
Website Design and Hosting by
Light Speed Networks, Website Design Services
Copyright 2000-2017 Dr.Stephen B. Lewis
Last modified: 12/30/2016 3:02:59 PM