Summary

Dr. John Klock is a hematologist and oncologist who specializes in treating blood disorders and cancer. He earned his medical degree from Tulane University School of Medicine and brings 56 years of clinical experience to his practice. Throughout his extensive career, Dr. Klock has developed deep expertise in managing complex hematologic and oncologic conditions.

Dr. Klock practices at Novato Community Hospital and maintains locations in both Nicasio and Novato, California. His decades of experience have positioned him as a seasoned specialist in blood-related disorders and cancer care. Patients benefit from his comprehensive approach to hematology and oncology treatment, drawing on more than five decades of medical practice to guide patient care decisions.

AI-generated from data on this provider profile.

Quick Facts

  • 56 years of experience
  • Tulane University School Of Medicine
  • 2 specialties
  • 7 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. John Charles Klock has 2 locations

Dr. John Charles Klock

333 WILLOW RD # 511NICASIO, CA 94946

Novato Community Hospital

180 Rowland WayNovato, CA 94945

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Dr. John Charles Klock, MD
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Dr. John Charles Klock, MDDr. Jessica Powers, MDDr. Brian Vikstrom, MDDr. Jonathan Lopez, MD
HematologyHematologyHematologyHematology
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
56 Years of Experience 23 Years of Experience 28 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English, Spanish Speaks English, Spanish
NICASIO , CAVacaville , CAVacaville , CAVacaville , CA
Med School: Tulane University School Of Medicine Med School: Virginia Commonwealth University School Of Medicine Med School: Columbia University College Of Physicians And Surgeons Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Charles Klock

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John Charles Klock has the following 2 specialties

Specialty Expertise

Dr. John Charles Klock has the following 7 areas of expertise

  • Acute Myeloid Leukemia
  • Cancer
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Oncology

Certifications, License, & Education

56 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

Tulane University School Of MedicineGraduated in 1970

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Frequently Asked Questions

Where is Dr. John Klock's office located?
Dr. John Klock's office is located at 333 WILLOW RD # 511, NICASIO, CA, 94946.
Which hospitals is Dr. John Klock affiliated with?
Dr. John Klock is affiliated with Novato Community Hospital.
Does Dr. John Klock accept my insurance?
You can see the insurance plans that Dr. John Klock accepts on their Vitals profile.
Is Dr. John Klock accepting new patients?
Dr. John Klock has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. John Klock?
You can find contact information for Dr. John Klock here on Vitals.

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