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Dr. John F. Shield, MD

Internal Medicine

Dr. Shield's Overview

Dr. John F. Shield graduated from the Loma Linda University School of Medicine in 1979. He works in Sonora, CA and specializes in Internal Medicine and Pulmonary Disease. Dr. Shield is affiliated with Sonora Community Hospital.

Dr. Shield's Experience

Years in Practice: 36

Conditions Treated by Dr. Shield

  • Not Available

Procedures Performed by Dr. Shield

  • Not Available

Dr. Shield's Specialties

Internal Medicine, Pulmonary Disease

Dr. Shield's Education & Training

Medical School: Loma Linda University School of Medicine; Graduated 1979

Dr. Shield's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
  • View All Ratings

Dr. Shield's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA Pathway X PPO Direct Access
  • Blue Cross CA Pathway X Tiered Direct Access
  • Blue Cross CA PPO
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Dr. Shield's Office Information & Appointments

Office Locations

Cedarwood Internal Medicine

690 Guzzi Ln Ste A
Sonora, CA 95370
(209) 536-5070


Office Hours and Information

Fax: (209) 536-3539

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 12:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 12:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. Shield's Practice

  • Not Available

Dr. Shield's Hospital Affiliations

Office Locations

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