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Welcome!

Welcome to North Bay Pediatrics! We hope you look around our website to find answers to any questions about our practice or your child’s health care.

We started North Bay Pediatrics in 1984 with a vision to provide comprehensive, specialized medical care for infants, children and adolescents. We’ve rapidly grown to be the largest independent pediatric group in Solano County with eight experienced pediatricians, a dedicated, caring staff and one full-time office. In spite of our growth, we strive to make each child’s care and experience our first priority.

Important Announcements

MESSAGE TO OUR PATIENTS REGARDING COVID 19

We are continuing to monitor the COVID 19 situation closely and are in frequent communication with our local Public Health Department, the CDC and Infectious Disease specialists.  

In order to be able to continue to provide appropriate quality medical care, while keeping everyone as safe and comfortable in our office, we are developing a modified check in procedure for all our patients.

Please inform us of your arrival at the office by either calling us from the parking lot or by quickly entering and letting the front desk know that you are here.  You may then wait in your car until an exam room is available.  Staff will inform you when you will be taken directly to the exam room.

Certain rooms have been designated for well visits only.

If possible please have only one caregiver come to your child's appointment.  We ask that additional family members and siblings not come if at all possible.  Please inform us if other family members are sick. 

We will be offering video visits starting 3/23/20.  These will be scheduled and billed in the same way as regular visits.  Normal co-pays will also apply.  Please understand that certain conditions cannot be managed remotely.  Our staff and doctors will make those determinations.

Our office is deep cleaned nightly.  Surfaces in the exam rooms are wiped down with medical grade cleaning wipes between patients and physicians are utilizing masks and gloves.

We have removed toys and books from our room for the time being.  We also recommend washing hands or using alcohol based hand sanitizers after leaving our office.

Thank you for your patience and understanding during these difficult times. 

Be safe!




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Meet Our Doctors

  • Maria Theresa de Leon-Tallman
    M.D., F.A.A.P

    I was born and raised in the Philippines. There I completed my undergraduate education, medical degree, and training in pediatrics.

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  • Jennifer Hanson
    M.D., F.A.A.P

    Hello! I’m Dr. Jennifer Hanson and I am excited to join the North Bay Pediatric family. I am originally from Martinez, and I graduated from UC Berkeley with a degree in Molecular and Cellular Biology.

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  • Sophie A. Lay
    M.D.

    Hello! I’m Dr. Sophie Lay. I joined North Bay Pediatrics in 1999 and since have built an ever growing, loyal practice. I take great joy in being part of my patients’ growth and development.

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  • Shanee Martin
    M.D., F.A.A.P.

    I completed my medical degree at the University of London,U.K., followed by a pediatric residency program at USC Medical Center in Los Angeles in 1985.

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  • June Tanaka
    M.D., F.A.A.P

    Hello, my name is Dr. June Tanaka. I graduated Magna Cum Laude, Phi Beta Kappa, with a B.A. in child study/premedical studies from Tufts University in Boston.

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  • Stephanie M. Toy
    M.D., M.S., F.A.A.P.

    Hello! I’m Dr. Stephanie Toy. I have been with North Bay Pediatrics since 1992. I receive a B.S. degree from U.C. Berkley in 1981 and an M.S. degree from the University of Pennsylvania in 1983. 

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  • Margaret Wang
    D.O., F.A.A.P.

    I grew up in the Central Valley of California, attended college in the Bay Area, and graduated from the College of Osteopathic Medicine of the Pacific in Southern California.

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Testimonials

  • "I had a great first visit there. Our toddler was shy but Dr. Wang made her smile and even played with her. She received a shot and physical for school and did a good job. The waiting area and office area are clean and the wait was not long at all."
    Anzelika Marie Clark
  • "Dr. Tanaka is excellent. She is caring and her follow up is unbelievable. She directs you to the best specialists from here to San Francisco if needed. Highly recommend her!"
  • "Dr Tanaka has been a wonderful MD to my daughter, She has been on spot with her diagnosis and been supportive during difficult times in a young girls coming of age difficulties. It is unfortunate that my daughter is turning 18 and we will have to leave Dr. Tanaka's care. I highly recommend her to anyone who has a brought a beautiful child in the world who needs a MD they can trust"
  • "We Love, Love, Love the Staff at Northbay Pediatrics in Vallejo. Everyone is Super Friendly and there Receptionist Samantha is Great with Everyone that Walks in the Door. Very Friendly and My Daughter Loves Her, Probably Because She's Very Cool because of Her "Frozen" Scrubs. Our Girls Doctor is Dr. Sophie Lay. She is the #1 Reason we Drive to Vallejo is just to Be Taken Care of by Her. I'm Sure all there Doctor's are Great but She is Special. She Makes Sure to Take Her Time and Answer All and Any Questions we Have. She is Very Gentle and Really Gives Us All the Educated Knowledge We Need. She is an Amazing Doctor and Really Has Passion for What She Does and Treats Every Child with Special Care. The Entire Staff is Great with the Children and Even thou There is a Northbay Pediatrics in Benicia, and it's Much Closer. We Choose to Come Here for this Great Clinic and Wonderful People."
    Keith Q.
  • "We've been seeing Dr. Toy since my baby was 5 months old and we had just moved to California. Dr. Toy is super attentive and thorough with her examinations, she takes the time to explain and make sure you don't leave with any questions. She discovered a small heart murmur on my baby and referred us to a specialist. The front desk staff member Jennifer has always been super friendly to us and detail oriented when it comes to our scheduled appointments, and or any tasks that have to do with our Tricare processes. If there's anything pending that I need to know, they'll take the time to call me and thoroughly explain the situation. I am very thankful with everyone at North Bay Pediatrics."
    Miriam C.
  • "I absolutely love this place. Dr. Martin is the best. The first time I drove down there, I was a little worried but now, I refuse to take my son anywhere else. We had La Clinica before and they were ok (some of the time) there availability for a doctor appointment was always at least a month out. I can call North Bay at 8:32am and get a same day appointment. The entire staff is friendly and supportive. I only have one complaint...it seems like they never run the air. That being said, I highly highly highly recommend this place."
    Andrea L.
  • "Dr. Hansen has been great to us! She bonded with my son and she was very informative. She takes the time to load you with information and explains what to expect. As a new parent I definitely need this because sometimes I don't know what to ask. She wants to know about your child and carefully handles newborns. I had a great experience!"
    Nia T.
  • "Best doctors office around, Everyone that works here are just lovely people. They Have gotten us in with same day apt even with our busy schedules. Everyone that works there are kind, thoughtful, listen to everything you have to say and when it comes to our little ones being sick we usually have a lot of concerns. I've seen two different doctors and both of them took their time answered every question I had. Made sure we walked out of there on the road to feeling better."
    Justine R.
  • "This place as been nothing but a pleasure. I have been taking my kids here for all their medical needs for the last 3 years. All the support staff and doctors have been awesome and go that extra mile to make sure the kids feel at ease and calm all that anxiety that comes when seeing a doctor"
    Brian K.
  • "I have had the best experience at North Bay Pediatrics! My daughter is 3 months old and we have seen both Dr Tanaka and Dr Winston. Both are amazing! They are patient with me, a first time mom, who has a lot of worries and are great my with daughter. I appreciate that both Drs are not so quick to jump to taking medication. They help you try natural methods to help your child before resorting to meds. The ladies at the front desk are also wonderful! I would recommend their office to anyone."
    Amanda B.
  • "I was nervous about looking for a pediatrician for my newborn so I was very happy and thankful to find this office was covered by my insurance. Thanks to the reviews here on yelp, I set up an appointment with Dr. Martin. She was very thorough and made sure all my 'first time mom' questions were answered. At our second appointment (2 months old) she even got a big old smile out of my baby boy. So happy to have a great pediatrician who cares and takes time with her patients."
    Kimberly W.
  • "We love this office. Dr. Tallman is great. Very calm and patient with my little ones. The ladies at front are great too. Jennifer is always happy and helpful. We recently had some issues with our new doctor and transfer of records....Jennifer was very patient and was on top of the matter."
    Mia G.
  • "We love dr Martin she is the best doctor we have ever had.dr martin always takes care of the kids and they just love her so much. Thank you dr Martin the Celias love you and dont forget about dr Hanson she came to see me on a Sunday to make sure my kid was ok amazing staff as well so kind and friendly"
    Sam C.
  • "We love Dr. Hanson and the whole crew. Everyone is friendly and flexible and the place is clean and fun for the kiddos"
    Amanda J.
  • "Dr. Hanson is extremely knowledgeable while being respectful of the parents and loving with her patients. She has smart tricks to help get kids to cooperate. I even asked her to give my then 3yo a pep talk on a hygiene issue, which she did beautifully (and my daughter has remembered her advice to this day!). She also has a sense of humor and is very encouraging to new moms and moms of newborns when going through those stressful first weeks."
    Ryan A.

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Our Location

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Hours of Operation

Our Regular Schedule

Monday:

8:30 AM-5:00 PM

Tuesday:

8:30 AM-5:00 PM

Wednesday:

8:30 AM-5:00 PM

Thursday:

8:30 AM-5:00 PM

Friday:

8:30 AM-5:00 PM

Saturday:

8:30 am - Call for appointment availability

Sunday:

Closed


Message to our patients regarding COVID-19

We are continuing to monitor the COVID-19 situation closely and are in frequent communication with our local Public Health Department, the CDC and Infectous Disease specialists.

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