Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Wendy Hallmark, NP

Sees patients in Lake Charles, LA · Hammond, LA · Independence, LA · Louisiana

Summary

Wendy Hallmark, NP (Nurse Practitioner) is enrolled with Medicare at 3 practice locations in Lake Charles, LA, Hammond, LA and Independence, LA. NPI 1467868844. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Wendy Hallmark, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
FemaleGender (as listed)
Calcasieu Urgent Care LLCGroup practice (+1 more)

Quick answers

Where does Wendy Hallmark see patients?
Medicare's clinician data lists 3 practice locations, including Lake Charles, LA, Hammond, LA and Independence, LA. Call before your visit to confirm the address.
What is Wendy Hallmark's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Wendy Hallmark accept Medicare assignment?
Yes. Medicare's clinician data says Wendy Hallmark accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Wendy Hallmark?
(337) 426-0919, as listed in official Medicare / NPI Registry data.
What is Wendy Hallmark's NPI number?
1467868844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Wendy Hallmark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Wendy Hallmark as a member of these groups (CMS data updated 2026-10-02).

  • Calcasieu Urgent Care LLC128 clinicians in the group
  • Maxem Health Urgent Care Hammond7 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Louisiana →

Other nurse practitioners in Lake Charles

Clinicians with the same Medicare primary specialty in Lake Charles, LA — not a recommendation.

All nurse practitioners in Lake Charles →

Clinician information

CredentialNP
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467868844
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians