Summary

Dr. John Shield specializes in internal medicine and pulmonology, bringing 47 years of experience to their practice. They completed medical school at Loma Linda University School of Medicine and went on to finish their residency at Loma Linda University Medical Center. Dr. Shield is fluent in English.

Dr. Shield practices at Sonora Regional Medical Center and sees patients in Sonora, California. They focus on treating conditions such as high blood pressure and hypertensive emergencies. Common procedures in their practice include complete blood counts, alkaline phosphatase tests, and arterial blood gas analysis. Patients have given Dr. Shield an average rating of 3.7.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.7
  • 47 years of experience
  • 16 insurance plans accepted
  • speaks English
  • Loma Linda University Medical Center
  • 4 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 4 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Frederick Shield has 4 locations

Cedarwood Internal Medicine: Adventist Health Sonora

690 Guzzi Ln ASonora, CA 95370

Cedarwood Internal Medicine

690 Guzzi Ln Ste ASonora, CA 95370
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed

Adventist Health

690 Guzzi LnSonora, CA 95370
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 12:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 12:00 pm
SatClosed
SunClosed

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Dr. John Frederick Shield, MD
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Dr. John Frederick Shield, MDEric HarkerDr. Adama Diarra, DODr. Alaa Hajal, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
47 Years of Experience 25 Years of Experience 14 Years of Experience 15 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English, French, Bambara
Sonora , CALyons , COTigard , ORDiamond Bar , CA
Med School: Loma Linda University School Of Medicine Med School: Duke University School Of Medicine Med School: Arizona College of Osteopathic Medicine Med School: University Of Damascus Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Frederick Shield

  • AARP
  • Aetna
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • GEHA
  • Health Net
  • Humana
  • Humana - HMO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • SelectHealth
  • State Farm
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. John Frederick Shield has the following 2 specialties

Specialty Expertise

Dr. John Frederick Shield has the following 9 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Emphysema
  • Pneumonia
  • Pulmonology
  • Sleep Disorders
  • Tuberculosis (TB)

Certifications, License, & Education

47 Years Experience

Education & Training

Residency

Completed their residency at Loma Linda University Medical Center.

Medical School

Graduated from Loma Linda University School Of Medicine in 1980 and Loma Linda University School Of Medicine in 1979.

NPI Number

Dr. Shield's NPI number is 1033189634.

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Frequently Asked Questions

Where is Dr. John Shield's office located?
Dr. John Shield's office is located at 690 Guzzi Ln A, Sonora, CA, 95370.
What languages does Dr. John Shield speak?
Dr. John Shield speaks English.
How can I make an appointment with Dr. John Shield?
You can find contact information for Dr. John Shield here on Vitals.
Is Dr. John Shield accepting new patients?
Dr. John Shield is accepting new patients on Vitals. View Dr. John Shield's profile on Vitals to make an appointment.
Which hospitals is Dr. John Shield affiliated with?
Dr. John Shield is affiliated with Sonora Regional Medical Center.

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