KATHERINE ANN TRETTIN
NPI 1114668126
Dermatology in Jackson, MS

Active since April 05, 2022PECOS Enrolled
2500 N STATE ST, JACKSON, MS 39216(601) 984-1000 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Katherine Ann Trettin NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE ANN TRETTIN (NPI 1114668126) is an individual dermatology provider in Jackson, Mississippi, licensed in Louisiana (351182) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Ochsner Lsu Health Shreveport, and maintains a secondary practice location in Shreveport.

NPPES Registry Identity

NPI1114668126
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameKATHERINE ANN TRETTIN
Location Address2500 N STATE STJackson, MS 39216-4500
Mailing Address1541 Kings HwyShreveport, LA 71103-4228
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 5, 2022
Last NPPES UpdateJune 30, 2026
NPPES CertifiedJune 30, 2026
✔ NPI 1114668126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in LA · 351182
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedInternal MedicineTaxonomy 207R00000X · License 351182 (LA)
2500 N STATE ST, Jackson, MS 39216

Secondary Practice Location 1

Location 11541 Kings HwyShreveport, LA 71103-4228 · Phone (318) 626-0000

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Ann Trettin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931639291
PECOS Enrollment IDI20260630004866
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Trettin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
1541 KINGS HWY
Shreveport, LA 71103
  • Reassigned Medicare billing, Louisiana enrollment
  • 1,167 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ochsner Lsu Health Shreveport

Acute Care Hospitals · Shreveport, LA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190098
Location1541 Kings HighwayShreveport, LA 71103 · Caddo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39216 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
2500 N STATE ST
JACKSON, MS 39216
Anesthesiology
2500 N STATE ST
JACKSON, MS 39216
Anesthesiology
2500 N STATE ST
JACKSON, MS 39216
Obstetrics & Gynecology
2500 N STATE ST
JACKSON, MS 39216
Emergency Medicine
2500 N STATE ST
JACKSON, MS 39216
Dentist
2500 N STATE ST
JACKSON, MS 39216
Anesthesiology
2500 N STATE ST
JACKSON, MS 39216
Nurse Anesthetist, Certified Registered
2500 N STATE ST
JACKSON, MS 39216

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Trettin's NPI number?

The NPI number for Katherine Trettin is 1114668126. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Katherine Trettin located?

Katherine Trettin practices at 2500 N State St, Jackson, MS 39216. The listed phone number is (601) 984-1000.

What is Katherine Trettin's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Katherine Trettin enrolled in Medicare?

Yes. Katherine Trettin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Trettin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Trettin reassigns Medicare benefits to Lsu Health Sciences Center Shreveport Faculty Group Practice (Shreveport, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Trettin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Trettin accept?

Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Katherine Trettin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katherine Trettin affiliated with any hospitals?

According to CMS data, Katherine Trettin is affiliated with Ochsner Lsu Health Shreveport.

When was this NPI record last updated?

The NPPES record for Katherine Trettin was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.