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

Mr. Frederick J Ergen, MD

Individual provider Emergency Medicine Physician · NPI 1518927466

Mr. Frederick J Ergen, MD is an Emergency Medicine Physician in Knoxville, Tennessee. Licensed in Tennessee. Registered with an NPI since 2006.

Licensed in
TN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

900 E Oak Hill Ave
Knoxville, TN 37917-4522
Phone: (865) 545-8000
Fax: (423) 971-6732
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 012250 (TN)

Record details

NPI number1518927466
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESJuly 13, 2026

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