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Dr. Margaret Zimmerman, MD

Dr. Margaret Zimmerman, MD

Pediatrics*
20+ years of experience

Dr. Margaret Zimmerman, MD is a pediatrician in Fountain Valley, CA and has over 20 years of experience in the medical field. She graduated from Northwestern University Feinberg School of Medicine in 2002. She is affiliated with medical facilities such as MemorialCare Saddleback Medical Center and MemorialCare Long Beach Medical Center. She is accepting new patients and telehealth appointments.

4.7 Star Rating
Based on 34 reviews 4.7 Star Rating (34 reviews)

Office Hours

Monday

8 am
to
5 pm

Tuesday

8 am
to
5 pm

Wednesday

8 am
to
5 pm

Thursday

8 am
to
5 pm

Friday

8 am
to
5 pm

Saturday

Closed

Sunday

Closed
Call us 24/7 to securely book an appointment
18035 Brookhurst St Ste 2100
Fountain Valley, CA 92708

Locations

MemorialCare Medical Group - Fountain Valley

MemorialCare Medical Group - Fountain Valley18035 Brookhurst St Ste 2100 Fountain Valley, CA 92708
1
  • Call
  • Fax
  • Hours
    • Mon: 8:00am - 5:00pm
    • Tue: 8:00am - 5:00pm
    • Wed: 8:00am - 5:00pm
    • Thu: 8:00am - 5:00pm
    • Fri: 8:00am - 5:00pm
    • Sat: closed
    • Sun: closed
  • Directions
New Patient?
(562) 371-8423

Care Philosophy

"Our goal is to provide medical services that enhance the health of the people and communities we serve We are committed to providing the care you need when and where you need it at a low cost and with excellence We..."

- Dr. Margaret Zimmerman, MD

Patient Favorite Award

Dr. Zimmerman is a patient favorite Pediatrician

The Patient Favorite badge is awarded to top-performing providers who surpass average ratings and comments, reflecting their commitment to exceptional patient care. Read our methodology

  • Area of ExpertiseDr. Zimmerman specializes in the area of Pediatrics. See board certifications
  • Explains Conditions WellPatients said this doctor explains conditions well. See reviews
  • Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top HospitalAmerica's 250 Best Hospitals Award™ See hospitals

More Pediatric Specialists at MemorialCare

Experience Check

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Dr. Zimmerman's Reviews

Likelihood to recommend Dr. Zimmerman

4.7
34 ratings, 25 with a written review
5 star
91%
91%
4 star
0%
0%
3 star
0%
0%
2 star
3%
3%
1 star
6%
6%

Your trust is our top concern.

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The best
Telehealth
Thorough, never makes me feel rushed, and listens to parents exceptionally well
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Melissa – Apr 24, 2024
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Amazing Pediatrician
Telehealth
Dr. Zimmerman has been absolutely amazing for years with both my kids, one who is now 18. I’d recommend her to any parent looking for a ped.
What went well
No results
What could be improved
No results
Helpful
Kelly S. – Feb 24, 2024
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My favorite pediatrician
Always listens to my concerns, always available for questions, and always treats my son with respect/care.
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Apr 12, 2023
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Caring and Thorough
Dr. Zimmerman is very thorough and listens to all our concerns. She is proactive and is happy to refer a more complex issue when it's outside of her wheelhouse. She is has a warm demeanor and is patient. I highly recommend her.
What went well
  • Office environment
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
What could be improved
No results
Helpful
Melissa – Feb 11, 2023
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Dr.Zimmerman is a blessing for my family. She takes her time and makes sure all questions are answered. She never makes you feel rushed. She also makes my teenage daughter very comfortable as well. Simply the best!!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Michelle – Mar 02, 2022
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She was so accessible and re-assuring. She wasn't rushing out of the room.
What went well
No results
What could be improved
No results
Helpful
Dec 16, 2021
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Dr. Zimmerman is always so thorough & takes time to answer all of our questions. She has great rapport with my children and they just love her.
What went well
No results
What could be improved
No results
Helpful
Christina F. – Nov 10, 2021
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We absolutely love Dr. Zimmerman. She has such a warm sweet presence and I just adore her! I’m so lucky my daughter has such a great pediatrician. We definitely recommend her times a million. :)
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Caylee – Nov 02, 2021
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Dr. Zimmerman has always been amazing with my daughter. She is thorough and spends time with us until any and all questions are answered. We just love Dr. Z!
What went well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Robyn Campbell – Sep 18, 2021
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Friendly, informative, professional and competent! Dr. Zimmerman is wonderful with patients and parents. She was recommended to me by a friend and I am so grateful.
What went well
  • Office environment
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
  • Difficult to schedule appointment
Helpful
Jan 26, 2021
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Wonderful staff and doctor
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Jan 07, 2021
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We’ve been seeing Dr Zimmerman the past 5-6 years. She has always been very professional, courteous and a listener. She cares about her patients and takes the time to be sure you understand diagnosis or realm of your appointment and does not rush your appointment. We highly recommend!
What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
What could be improved
No results
Helpful
Dec 29, 2020
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Love Dr. Zimmerman. She is kind, personable and thorough. Her staff is amazing as well!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
M DAVIS – Sep 25, 2020
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Dr Zimmerman has been caring for both of our kids(4 and 1 year old) since they were born. We had gone to her for every illness, fevers, eczema, rashes, cough, etc and she has always been available even by cell phone. She is the greatest pediatrician a parent can hope for! She listens and has the greatest sense of humor, but most importantly...she is great at making sure our kids are healthy so they can run around and cause us troubles. She is the best and we are sooo lucky and blessed to have her.
What went well
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Sep 09, 2020
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Dr. Zimmerman is always engaging, attentive and willing to listen. We were sad to leave our last pediatrician due to them not excepting our insurance anymore however we feel truly blessed to have found Dr. Zimmerman as a pediatrician!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Jun 12, 2020
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Best doctor takes her time and listens
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Maria Jimenez – Apr 11, 2020
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Minimal wait time. Clean and pleasant environment. Receptionist made same day appt for my son who was very sick. Dr. Zimmerman and nursing staff are wonderful and caring people that make kids feel comfortable and happy. Highly recommend!!!
What went well
No results
What could be improved
No results
Helpful
Apr 04, 2019
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Everything! Dr. Zimmerman always makes sure we are satisfied with our visit. She’s such a caring woman and will definitely recommend her to any family!!!! Thank you for treating our family with the most compassion!
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Ilse in Tustin, CA – Mar 06, 2019
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Dr. Zimmerman has a warm and caring manner. She clearly cares deeply for her patients. She answers questions clearly and respectfully.
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
CA – Feb 21, 2019
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Dr, Zimmerman is knowledgeable, caring and so nice. The staff is also friendly and knowledgeable and nice too. I want to thank them for awesome customer service
What went well
  • Office environment
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
CA – Nov 22, 2018
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About Me

care philosophy

Our goal is to provide medical services that enhance the health of the people and communities we serve We are committed to providing the care you need when and where you need it at a low cost and with excellence We re here to be your partner in...read more

biography

Dr. Margaret A. Zimmerman is a MemorialCare Medical Group physician who specializes in Pediatrics. She works as a Pediatrician at the Fountain Valley, California location.

MemorialCare Medical Group is an award-winning team of health...
read more
  • Pediatrics

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University California Irvine Medical Center

    Internship Hospital, 2005
  • Northwestern University Feinberg School Of Medicine

    Medical School, 2002
American Board of Medical Specialties®
American Board of Pediatrics®
Pediatrics
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • Spanish

Patient Favorite Award

Dr. Zimmerman is a patient favorite Pediatrician

    Read our methodology

    Affiliated Hospitals

    • MemorialCare Long Beach Medical Center

      2801 Atlantic Ave
      Long Beach, CA 90806
      Recipient of 3
      hospital awards

      How patients felt about the care they received at this hospital.

      84%
      Patients said they were given information about recovering at home
      76%
      Patients said that nurses always listened to them and explained things well

      1% higher than the national average

      View all patient feedback
    • MemorialCare Saddleback Medical Center

      24451 Health Center Dr
      Laguna Hills, CA 92653
      Recipient of 25
      hospital awards

      America's 250 Best Hospitals Award™ (2025, 2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      Patient Safety Excellence Award™ (2025, 2024)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      86%
      Patients said they were given information about recovering at home

      2% higher than the national average

      77%
      Patients said that doctors always listened to them and explained things well

      1% higher than the national average

      View all patient feedback
    • MemorialCare Miller Children's & Women's Hospital Long Beach

      2801 Atlantic Ave
      Long Beach, CA 90806
    Learn more about how Healthgrades measures Hospital Quality