John Callison, MD
NPI 1528115334 · Pulmonary Disease Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Callison, MD is a Pulmonary Disease Physician provider in Knoxville, TN (NPI 1528115334).
Provider details
- NPI number
- 1528115334
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD0000043909 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
249 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 36 | $203 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 31 | $111 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 22 | $156 |
| Test to Measure Expiratory Airflow and Volume94010 | 17 | $8 |
| Biopsy of Lobe of Lung Using an Endoscope, 1 Lobe31628 | 15 | $61 |
| Exam of Lung Airways With Diagnostic Or Therapeutic Procedure on Growths Using an Endoscope and Ultrasound31654 | 15 | $63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Elexacaftor/Tezacaftor/Ivacaftbrand: Trikafta | 105 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 53 | 11 |
| Lipase/Protease/Amylasebrand: Creon | 33 | — |
| Azithromycin | 29 | — |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 27 | — |
| Famotidine | 26 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$545 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2022-04-20
- Certified
- 2022-04-20
Frequently asked questions
- What is John Callison's NPI number?
- John Callison's National Provider Identifier (NPI) is 1528115334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Callison's specialty?
- John Callison is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Callison located?
- John Callison's practice location on file with NPPES is 1940 Alcoa Hwy Ste E210, Knoxville, TN 37920-2264.
- What is John Callison's phone number?
- The practice phone number listed in the NPPES registry for John Callison is (865) 524-7471.
- Does John Callison accept Medicare?
- John Callison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Callison's NPI active?
- Yes — John Callison's NPI (1528115334) is active in the NPPES registry as of the last update on 2022-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.