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

Prof. John Courtenay Preston, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1578568234

Prof. John Courtenay Preston, CRNA is a Certified Registered Nurse Anesthetist in Knoxville, Tennessee. Licensed in Tennessee. Registered with an NPI since 2005.

Licensed in
TN
In the registry since
2005
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1924 Alcoa Hwy
Knoxville, TN 37920-1511
Phone: (865) 544-9222
Fax: (865) 544-6852
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 0000067906 (TN)

Record details

NPI number1578568234
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 17, 2005
Last updated in NPPESJuly 13, 2026

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