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

Nurse Practitioner

Mark C. Collier, NP

Sees patients in Terrytown, LA · Marrero, LA · Kenner, LA … · Louisiana

Summary

Mark C. Collier, NP (Nurse Practitioner) is enrolled with Medicare at 6 practice locations in Terrytown, LA, Marrero, LA and Kenner, LA and other places. NPI 1861499972. 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 Mark C. Collier, 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)
MaleGender (as listed)
New Orleans Physician Services IncGroup practice (+1 more)

Quick answers

Where does Mark C. Collier see patients?
Medicare's clinician data lists 6 practice locations, including Terrytown, LA, Marrero, LA and Kenner, LA. Call before your visit to confirm the address.
What is Mark C. Collier's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Mark C. Collier accept Medicare assignment?
Yes. Medicare's clinician data says Mark C. Collier 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 Mark C. Collier?
(504) 349-2273, as listed in official Medicare / NPI Registry data.
What is Mark C. Collier's NPI number?
1861499972. 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 Mark C. Collier is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Mark C. Collier as a member of these groups (CMS data updated 2026-10-02).

  • New Orleans Physician Services Inc178 clinicians in the group
  • LCMC Urgent Care LLC22 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Louisiana →

Other nurse practitioners in Terrytown

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

All nurse practitioners in Terrytown →

Clinician information

CredentialNP
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861499972
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