GRETCHEN WRISTON GWYNETTE MD
NPI 1770532525
Radiology - Diagnostic Radiology in Shreveport, LA

Active since May 09, 2006PECOS EnrolledAccepts Medicare Assignment
1541 KINGS HWY, SHREVEPORT, LA 71103(318) 626-0000 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Gretchen Wriston Gwynette Md NPPES

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

GRETCHEN WRISTON GWYNETTE MD (NPI 1770532525) is an individual diagnostic radiology provider in Shreveport, Louisiana, licensed in Louisiana (348581) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Medical University Of South Carolina College Of Medicine (2000).

NPPES Registry Identity

NPI1770532525
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameGRETCHEN WRISTON GWYNETTECredential: MD
Location Address1541 KINGS HWYShreveport, LA 71103-4228
Mailing Address1541 Kings Hwy, Attn: Payor CredentialingShreveport, LA 71103-4228
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2000
Enumeration DateMay 9, 2006
Last NPPES UpdateJanuary 14, 2026
NPPES CertifiedJanuary 14, 2026
✔ NPI 1770532525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in LA · 348581✔ Licensed in SC · 30336✔ Licensed in CA · A78296
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1541 KINGS HWY, Shreveport, LA 71103

Other Names 1

Former Name (1)Gretchen Ann Wriston Md

Other Identifiers 1

Medicaid00A782960CA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gretchen Wriston Gwynette Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305882986
PECOS Enrollment IDI20251023004591
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 Gretchen Gwynette 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71103 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
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$67.06 typical visit price
range $16.64 – $133.62
Typical copayment $16.76 (range $4.16 – $33.40)
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.

Internal Medicine (Cardiovascular Disease)
1541 KINGS HWY
SHREVEPORT, LA 71103
Pediatrics
1541 KINGS HWY
SHREVEPORT, LA 71103
Pediatrics (Pediatric Pulmonology)
1541 KINGS HWY
SHREVEPORT, LA 71103
Anesthesiology
1541 KINGS HWY
SHREVEPORT, LA 71103
Psychiatry & Neurology (Neurology)
1541 KINGS HWY
SHREVEPORT, LA 71103
Obstetrics & Gynecology
1541 KINGS HWY
SHREVEPORT, LA 71103
Internal Medicine (Interventional Cardiology)
1541 KINGS HWY
SHREVEPORT, LA 71103
Radiology (Radiation Oncology)
1541 KINGS HWY
SHREVEPORT, LA 71103

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 Gretchen Gwynette's NPI number?

The NPI number for Gretchen Gwynette is 1770532525. It was assigned to this individual provider in the NPPES registry on May 9, 2006. The provider is also known as Gretchen Ann Wriston MD.

Where is Gretchen Gwynette located?

Gretchen Gwynette practices at 1541 Kings Hwy, Shreveport, LA 71103. The listed phone number is (318) 626-0000.

What is Gretchen Gwynette's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gretchen Gwynette enrolled in Medicare?

Yes. Gretchen Gwynette is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gretchen Gwynette's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Gwynette 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 Gretchen Gwynette's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gretchen Gwynette accept?

Health plans from HMO Louisiana list Gretchen Gwynette 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.

When was this NPI record last updated?

The NPPES record for Gretchen Gwynette was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.