Summary

Dr. John Shield has practiced internal medicine and pulmonology for 47 years and is affiliated with Sonora Regional Medical Center. He treats hypertension and hypertensive emergency, and performs arterial blood gases. Dr. Shield completed his residency at Loma Linda University Medical Center and sees patients in Sonora, California. Patients on Vitals rate Dr. Shield 3.7 out of 5.

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
  • 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

Compare with Similar Doctors

Dr. John Frederick Shield, MD
Karthikeyan Viswanathan, DO
Dr. Rajmeet Kaur Mann, MD
Eric Harker
Dr. John Frederick Shield, MDKarthikeyan Viswanathan, DODr. Rajmeet Kaur Mann, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.7 
0 
0 
4 
47 Years of Experience 12 Years of Experience 8 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English, Tamil Speaks English Speaks English
Sonora , CAPalo Alto , CARocklin , CALyons , CO
Med School: Loma Linda University School Of Medicine Med School: Bassett Medical Center - Cooperstown, New York Med School: American University Of Antigua College Of Medicine Med School: Duke University School Of Medicine
Current Profile
View Profile View Profile View Profile

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.

Similar doctors

Frequently Asked Questions

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.
Does Dr. John Shield accept my insurance?
You can see the insurance plans that Dr. John Shield accepts on their Vitals profile.
How can I make an appointment with Dr. John Shield?
You can find contact information for Dr. John Shield here on Vitals.
Does Dr. John Shield accept virtual/telehealth appointments?
Dr. John Shield has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Shield affiliated with?
Dr. John Shield is affiliated with Sonora Regional Medical Center.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.