Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Callison Jr., MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1528115334

Dr. John Callison Jr., MD is a Pulmonary Disease in Knoxville, Tennessee. Graduated from University of Cincinnati College of Medicine in 2006, 20 years ago. Practices with University Health System, Inc, a 529-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Tennessee.

Years since qualifying
20
Trained at
University of Cincinnati College of Medicine
Licensed in
TN
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1940 Alcoa Hwy Ste E210
Knoxville, TN 37920-2264
Phone: (865) 524-7471
Fax: (865) 305-8878
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD0000043909 (TN)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence MD0000043909 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD0000043909 (TN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1528115334
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 4, 2007
Last updated in NPPESApril 20, 2022
Certification dateApril 20, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice University Health System, Inc. — 529 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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