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

Dr. John William Swisher, PHD, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1083609564

Dr. John William Swisher, PHD, MD is a Pulmonary Disease in Knoxville, Tennessee. Qualified in 1983, 43 years ago. Works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Tennessee.

Years since qualifying
43
Licensed in
TN
In the registry since
2005
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6473 Kingston Pike
Knoxville, TN 37919
Phone: (865) 588-8831
Fax: (865) 588-8841
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2333 Knob Creek Rd Ste 15, Johnson City, TN 37604-2007 — (865) 588-8831
  • 550 Fort Loudoun Medical Center Dr, Lenoir City, TN 37772-5673 — (865) 271-6000

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 45855 (TN)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 45855 (TN)

Record details

NPI number1083609564
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , MD
Sole proprietorNo
NPI enumeratedSeptember 12, 2005
Last updated in NPPESJune 22, 2026
Certification dateJune 22, 2026

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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