Dr John Frederick Shield, MD - Medicare Internal Medicine in Sonora, CA

Dr John Frederick Shield, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Sonora, California. He went to Loma Linda University School Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Sonora Community Hospital and his current practice location is 690 Guzzi Ln, Suite A, Sonora, California. You can reach out to his office (for appointments etc.) via phone at (209) 536-5070.

Dr John Frederick Shield is licensed to practice in California (license number G45205) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1033189634.

Contact Information

Dr John Frederick Shield, MD
690 Guzzi Ln, Suite A,
Sonora, CA 95370-5289
(209) 536-5070
Not Available



Physician's Profile

Full NameDr John Frederick Shield
GenderMale
SpecialityInternal Medicine
Experience44 Years
Location690 Guzzi Ln, Sonora, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Frederick Shield attended and graduated from Loma Linda University School Of Medicine in 1980
  NPI Data:
  • NPI Number: 1033189634
  • Provider Enumeration Date: 01/25/2006
  • Last Update Date: 10/22/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 7911078563
  • Enrollment ID: I20080625000410

Medical Identifiers

Medical identifiers for Dr John Frederick Shield such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033189634NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease G45205 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health Home Care ServicesSonora, CAHome health agency
Hospice Of The SierraSonora, CAHospice
Adventist Health SonoraSonora, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Sonora Community Hospital4284538505117

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John Frederick Shield allows following entities to bill medicare on his behalf.
Entity NameSonora Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891732418
PECOS PAC ID: 4284538505
Enrollment ID: O20031119000910

News Archive

Study on childhood risk factors for the development of future substance use disorders

There is ample evidence for the genetic influence of alcohol dependence, and ongoing studies are actively looking for specific genes that may confer this increased susceptibility. In addition, while it is well-known that individual risk is increased with the number of relatives with alcohol dependence, scientists have not been in a position to identify who among these individuals might have greater or lesser risk.

Pericardial fat linked with coronary arterial remodeling, non calcified plaque related to ACS

Pericardial thickness was significantly correlated with coronary arterial remodeling and non calcified plaque - related to acute coronary syndrome (ACS) in a Japanese study presented at the ESC Congress 2011 by Dr Riyo Ogura today.

Report: Medicare paid $5.1B to nursing homes that provided substandard care

Medicare paid billions in taxpayer dollars to nursing homes nationwide that were not meeting basic requirements to look after their residents, government investigators have found.

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Teduglutide is an analog of glucagon-like peptide 2 (GLP-2), a naturally occurring hormone that regulates the growth, proliferation and maintenance of cells lining the gastrointestinal tract. Teduglutide has been shown in animal studies and previous human clinical trials to increase the size and number of these cells, thereby increasing the absorptive surface area of the intestines.

Read more Medical News

› Verified 3 days ago

Entity NameSonora Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659362614
PECOS PAC ID: 4284538505
Enrollment ID: O20050427000819

News Archive

Study on childhood risk factors for the development of future substance use disorders

There is ample evidence for the genetic influence of alcohol dependence, and ongoing studies are actively looking for specific genes that may confer this increased susceptibility. In addition, while it is well-known that individual risk is increased with the number of relatives with alcohol dependence, scientists have not been in a position to identify who among these individuals might have greater or lesser risk.

Pericardial fat linked with coronary arterial remodeling, non calcified plaque related to ACS

Pericardial thickness was significantly correlated with coronary arterial remodeling and non calcified plaque - related to acute coronary syndrome (ACS) in a Japanese study presented at the ESC Congress 2011 by Dr Riyo Ogura today.

Report: Medicare paid $5.1B to nursing homes that provided substandard care

Medicare paid billions in taxpayer dollars to nursing homes nationwide that were not meeting basic requirements to look after their residents, government investigators have found.

Phase 3 study of drug teduglutide in patients with short bowel syndrome

Teduglutide is an analog of glucagon-like peptide 2 (GLP-2), a naturally occurring hormone that regulates the growth, proliferation and maintenance of cells lining the gastrointestinal tract. Teduglutide has been shown in animal studies and previous human clinical trials to increase the size and number of these cells, thereby increasing the absorptive surface area of the intestines.

Read more Medical News

› Verified 3 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John Frederick Shield is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John Frederick Shield, MD
16280 Stine Ct,
Sonora, CA 95370-8124

Ph: (209) 533-4918
Dr John Frederick Shield, MD
690 Guzzi Ln, Suite A,
Sonora, CA 95370-5289

Ph: (209) 536-5070

News Archive

Study on childhood risk factors for the development of future substance use disorders

There is ample evidence for the genetic influence of alcohol dependence, and ongoing studies are actively looking for specific genes that may confer this increased susceptibility. In addition, while it is well-known that individual risk is increased with the number of relatives with alcohol dependence, scientists have not been in a position to identify who among these individuals might have greater or lesser risk.

Pericardial fat linked with coronary arterial remodeling, non calcified plaque related to ACS

Pericardial thickness was significantly correlated with coronary arterial remodeling and non calcified plaque - related to acute coronary syndrome (ACS) in a Japanese study presented at the ESC Congress 2011 by Dr Riyo Ogura today.

Report: Medicare paid $5.1B to nursing homes that provided substandard care

Medicare paid billions in taxpayer dollars to nursing homes nationwide that were not meeting basic requirements to look after their residents, government investigators have found.

Phase 3 study of drug teduglutide in patients with short bowel syndrome

Teduglutide is an analog of glucagon-like peptide 2 (GLP-2), a naturally occurring hormone that regulates the growth, proliferation and maintenance of cells lining the gastrointestinal tract. Teduglutide has been shown in animal studies and previous human clinical trials to increase the size and number of these cells, thereby increasing the absorptive surface area of the intestines.

Read more News

› Verified 3 days ago


Internal Medicine Doctors in Sonora, CA

Dr. Kevin Gandhi, DO
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Greenley Rd, Sonora, CA 95370
Phone: 209-536-5000    
Jiandong Wei, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Greenley Rd, Sonora, CA 95370
Phone: 209-536-5000    
Dr. Kyi Kyi Thwin Win, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 690 Guzzi Lane, Ste D, Sonora, CA 95370
Phone: 909-337-0059    Fax: 909-337-3499
Dr. David Eugene Allen, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 690 Guzzi Lane, Suite D, Sonora, CA 95370
Phone: 209-533-0333    
Dr. Johnson Kar Tsun Wong, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 14568a Mono Way, Sonora, CA 95370
Phone: 209-768-1217    Fax: 209-533-2061
Artin Mahmoudi, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Greenley Road, Sonora Regional Medical Center, Sonora, CA 95370
Phone: 209-532-5000    

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