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

Katherine Ann Trettin

Individual provider Internal Medicine Physician · NPI 1114668126

Katherine Ann Trettin is a Dermatology in Jackson, Mississippi. Qualified in 2022, 4 years ago. Works from 2 locations. Licensed in Louisiana.

Years since qualifying
4
Licensed in
LA
In the registry since
2022
Specialties on file
2

Practice location Address checks out

2500 N State St
Jackson, MS 39216-4500
Phone: (601) 984-1000
Show map & directions

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

Additional practice locations (1)

  • 1541 Kings Hwy, Shreveport, LA 71103-4228 — (318) 626-0000

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 351182 (LA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 351182 (LA)

Record details

NPI number1114668126
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 5, 2022
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated

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