John Callison, MD
Pulmonary Disease Internal Medicine
John Callison is a Pulmonary Disease Internal Medicine specialist based in Knoxville, TN with over 20 years of clinical experience. Offers virtual telehealth visits.
John Callison, MD has been part of the Knoxville medical community since 2007 in group practice. He graduated from University of Cincinnati College of Medicine in 2006 and has 20+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and COPD (per CMS claims data).
Older · 1495dNPPES updated 2022-04-20 · verify NPI on CMS · Verify license at Tennessee Board of Medical Examiners
Contact & Location
Practice Location
1940 Alcoa Hwy Ste E210, Knoxville, TN 37920-2264
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and COPD.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+3%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+3%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+30%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-5%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+21%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+6%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+1%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2006
University of Cincinnati College of Medicine
Board certified · Apr 19, 2022
Self-reported via NPPES
20 years in practice
Experienced
Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.
Taxonomy: 207RP1001X
Education & Training
University of Cincinnati College of Medicine (Class of 2006)
Virtual Pulmonary Disease Care With John Callison
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with John Callison for blood pressure monitoring, cholesterol management, COPD management — no travel to Knoxville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about John Callison
NPI records show Dr. Callison as active with telehealth listed in Knoxville, TN. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (865) 524-7471.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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