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Emergency Physician, Family Practitioner, Primary Care Doctor
38 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Thomas Zimmerman:

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Specialties & Research

Dr. Thomas Zimmerman, MD is board certified in Emergency Medicine and Family Medicine.

  • He has special expertise in 1 area:
  • Multi-specialty Clinic or Group Pract

Education & Awards

Dr. Zimmerman graduated from Georgetown University, Washington.


Dr. Zimmerman has 2 hospital affiliations:

  • Sierra Nevada Memorial Hospital 
  • Sierra Nevada Memorial Hospital - Grass Valley 


  • English

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Additional Information
Dr. Thomas G Zimmerman MD is a male Emergency Medicine Specialist, has 38 years of experience and practices in Emergency Medicine and Family Medicine.
Where does Dr. Thomas G. Zimmerman practice?
Dr. Thomas Zimmerman has 2 office locations.
Dr. Thomas Zimmerman practices Emergency Medicine and Family Medicine near Grass Valley, CA.
See Grass Valley Emergency Physicians and Grass Valley Family Physicians.