Dr. John Jay Shannon , MD
Internal Medicine • Chicago, IL
Professional Overview & Biography Verified Profile Summary
Dr. John Shannon, MD is a registered healthcare professional specializing in Internal Medicine in Chicago, IL. Practice services are available at 1900 W POLK ST under active NPI credentials.
Practice Location & Contact Primary Location
1900 W Polk St
Suite 220
Chicago, IL 606123723
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Chicago, IL
Practicing in Chicago, IL (7544 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 207RC0200X
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
NUCC Taxonomy Code: 207RP1001X
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 207RC0200X
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
NUCC Taxonomy Code: 207RP1001X
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Pathology - Anatomic Pathology & Clinical Pathology
Doctor of Medicine (M.D.)
Emergency Medicine
Doctor of Medicine (M.D.)
Nurse Anesthetist, Certified Registered
Certified Registered Nurse Anesthetist
Nurse Practitioner - Pediatrics
Advanced Practice Nurse
Emergency Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 1900 W POLK ST, SUITE 220, CHICAGO, IL 606123723 (Tel: 3128645504)
Registered at 1900 W POLK ST, SUITE 220, CHICAGO, IL 606123723 (Tel: 3128645504)
Recorded as JOHN SHANNON, M.D.
Internal Medicine (License #H2772 in TX)
NPI status registered as active in NPPES database
Registered at 5201 HARRY HINES BLVD, ADMINISTRATION SUITE, DALLAS, TX 752357708 (Tel: 2145900126)
Registered at 5201 HARRY HINES BLVD, ADMINISTRATION SUITE, DALLAS, TX 752357708 (Tel: 2145900126)
Recorded as JOHN SHANNON, M.D.
Internal Medicine (License #H2772 in TX)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1900 W Polk St, Suite 220
Chicago, IL 606123723
Phone: 3128645504
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.