Summary

Dr. Nimtz graduated from the Sidney Kimmel Medical College At Thomas Jefferson University in 2021. He works in Walnut Creek, CA and 2 other locations and specializes in Emergency Medicine. Dr. Nimtz is affiliated with Kaiser Permanente Walnut Creek Medical Center and Kaiser Permanente Antioch Medical Center.

Quick Facts

  • 5 years of experience
  • 44 insurance plans accepted
  • Sidney Kimmel Medical College At Thomas Jefferson University
  • 1 specialty
  • 2 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Karl Joshua Nimtz has 3 locations

Riverside Community Hospital

4445 Magnolia AveRiverside, CA 92501

Kaiser Permanente Antioch Medical Center

4501 Sand Creek RdAntioch, CA 94531

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Dr. Karl Joshua Nimtz
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Dr. Karl Joshua NimtzChristopher Carleo, MDDr. Frank Byoung Lee, MDDr. James William Wengert, MD
Emergency MedicineEmergency MedicineEmergency MedicineEmergency Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
5 Years of Experience 28 Years of Experience 23 Years of Experience 57 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English, Spanish, Tagalog, Portuguese Speaks Spanish, English
Walnut Creek , CAEast Setauket , NYAllen , TXSonora , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: Suny Stony Brookhealth Med School: New York Medical College Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Karl Joshua Nimtz

  • Aetna
  • Alameda Alliance for Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • CalOptima
  • CareFirst Blue Cross Blue Shield
  • CHAMPVA
  • Chinese Community Health Plan
  • Cigna
  • Community Health Group
  • Contra Costa Health Plan
  • Health Net
  • Health Net - HMO
  • Health Plan of San Joaquin
  • Health Plan of San Joaquin - HMO
  • Health Plan of San Joaquin - Medicaid (Managed)
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • MedStar Family Choice
  • Molina Healthcare
  • Molina Healthcare - Medicare (Advantage HMO)
  • Optum Health
  • Santa Clara Family Health Plan
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SCAN Health Plan - Medicare (Advantage HMO)
  • Three Rivers Providers Network (TRPN) - Medicaid (Managed)
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare (Advantage HMO)

Medical Specialties

Dr. Karl Joshua Nimtz has the following specialty

Certifications, License, & Education

5 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2025, Expired

EDUCATION & TRAINING

Medical School

Sidney Kimmel Medical College At Thomas Jefferson UniversityGraduated in 2021

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Frequently Asked Questions

Is Dr. Karl Nimtz accepting new patients?
Dr. Karl Nimtz has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Dr. Karl Nimtz's office located?
Dr. Karl Nimtz's office is located at 1425 S Main St, Walnut Creek, CA, 94596.
Does Dr. Karl Nimtz accept virtual/telehealth appointments?
Dr. Karl Nimtz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Karl Nimtz?
You can find contact information for Dr. Karl Nimtz here on Vitals.
Does Dr. Karl Nimtz accept my insurance?
You can see the insurance plans that Dr. Karl Nimtz accepts on their Vitals profile.

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