John Swisher, PHD, M.D.
NPI 1083609564 · Pulmonary Disease Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Swisher, PHD, M.D. is a Pulmonary Disease Physician provider in Knoxville, TN (NPI 1083609564).
Provider details
- NPI number
- 1083609564
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- PHD, M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 45855 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,104 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 279 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $80 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 75 | $9 |
| Test for Exercise-Induced Lung Stress94618 | 72 | $30 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $160 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Riociguatbrand: Adempas | 254 | 30 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 244 | 64 |
| Sildenafil Citrate | 185 | 40 |
| Macitentanbrand: Opsumit | 181 | 23 |
| Treprostinilbrand: Tyvaso Dpi | 175 | 27 |
| Treprostinil Diolaminebrand: Orenitram Er | 162 | — |
| Ambrisentan | 151 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71,855 across 160 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
Additional practice locations (2)
- 2333 Knob Creek Rd Ste 15Johnson City, TN 37604-2007Phone: (865) 588-8831Fax: (868) 588-8841
- 550 Fort Loudoun Medical Center DrLenoir City, TN 37772-5673Phone: (865) 271-6000Fax: (865) 271-6245
Registry dates
- Enumerated
- 2005-09-12
- Last updated
- 2025-02-19
- Certified
- 2025-02-19
Frequently asked questions
- What is John Swisher's NPI number?
- John Swisher's National Provider Identifier (NPI) is 1083609564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Swisher's specialty?
- John Swisher is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Swisher located?
- John Swisher's practice location on file with NPPES is 6473 Kingston Pike, Knoxville, TN 37919.
- What is John Swisher's phone number?
- The practice phone number listed in the NPPES registry for John Swisher is (865) 588-8831.
- Does John Swisher accept Medicare?
- John Swisher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Swisher's NPI active?
- Yes — John Swisher's NPI (1083609564) is active in the NPPES registry as of the last update on 2025-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.