


Dr. Todd Zimmerman, MD
Dr. Todd Zimmerman, MD is a gastroenterologist in Carmichael, CA and has over 45 years of experience in the medical field. He graduated from Georgetown University School of Dentistry in 1975. He is affiliated with Mercy San Juan Medical Center. He is accepting new patients.
Practice
6555 Coyle Ave Ste 330 Carmichael, CA 95608Make an Appointment
Hospital Highlight
Dr. Zimmerman is affiliated with Mercy San Juan Medical Center Carmichael, a highly rated and top awarded hospital for gastroenterology.
At a Glance
- Areas of ExpertiseDr. Zimmerman specializes in the areas of Gastroenterology & Internal Medicine. • See board certifications
- Practices at Top Hospital
- Good Patient Care

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Dr. Zimmerman's Reviews
Likelihood to recommend Dr. Zimmerman
5 star | 42% | 42% |
4 star | 8% | 8% |
3 star | 0% | 0% |
2 star | 0% | 0% |
1 star | 50% | 50% |
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- Office environment
- Appointment scheduling
- Listened & answered questions
- Explained conditions well
- Staff friendliness
- Appointment wasn't rushed
- Trusted the provider's decisions
- Wait times
- Difficult to schedule appointment
- Didn't listen or answer questions
- Didn't explain conditions well
- Staff wasn't friendly
- Appointment was rushed
- Didn't trust the provider's decisions
- Difficult to schedule appointment
- Staff wasn't friendly
- Office environment
- Difficult to schedule appointment
- Didn't listen or answer questions
- Didn't explain conditions well
- Staff wasn't friendly
- Appointment was rushed
- Didn't trust the provider's decisions
- Long wait times
Leave a review
How was your experience with Dr. Zimmerman?Overall Patient Satisfaction
Likelihood of recommending Dr. Zimmerman to family and friends is 2.9166667 out of 5
About Me
care philosophy
Dr. Zimmerman received his medical degree from Georgetown University School of Medicine in Washington, D.C. and completed his Internship and Residency at Upstate Medical Center in Syracuse, New York. He completed his Fellowship at Yale University...read moreGastroenterology
Internal Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Georgetown University School Of Dentistry
Medical School, 1975
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on IBD
Locations
Practice
Affiliated Hospitals
- Recipient of 12
hospital awardsPatient 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 awardsGastrointestinal Care Excellence Award™ (2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
85%Patients said they were given information about recovering at home1% higher than the national average
76%Patients said that doctors always listened to them and explained things well
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