DR. JOHN CALLISON JR. MD
NPI 1528115334
Internal Medicine - Pulmonary Disease in Knoxville, TN
About Dr. John Callison Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CALLISON JR. MD (NPI 1528115334) is an individual pulmonary disease provider in Knoxville, Tennessee, licensed in Tennessee (MD0000043909) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Blount Memorial Hospital, and is a graduate of University Of Cincinnati College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Callison Jr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Callison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Knoxville, TN 37920
- Reassigned Medicare billing, Tennessee enrollment
- 832 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Blount Memorial Hospital
Acute Care Hospitals · Maryville, TNUniversity Health System, Inc
Acute Care Hospitals · Knoxville, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37920 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
KNOXVILLE, TN 37920
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Callison's NPI number?
The NPI number for John Callison is 1528115334. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is John Callison located?
John Callison practices at 1940 Alcoa Hwy Ste E210, Knoxville, TN 37920. The listed phone number is (865) 524-7471.
What is John Callison's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is John Callison enrolled in Medicare?
Yes. John Callison is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Callison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Callison reassigns Medicare benefits to University Health System, Inc (Knoxville, TN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Callison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Callison accept?
Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and UnitedHealthcare list John Callison as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Callison affiliated with any hospitals?
According to CMS data, John Callison is affiliated with Blount Memorial Hospital and University Health System, Inc.
When was this NPI record last updated?
The NPPES record for John Callison was last updated on April 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.