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Certified Registered Nurse Anesthetist (CRNA)

Robert M. Marrero Jr., CNA

Works at hospitals in Whiteville, NC · North Carolina

Summary

Robert M. Marrero Jr., CNA is a nurse anesthetist at 500 Jefferson St, Whiteville, NC 28472. Phone: (910) 642-8011. Accepts Medicare assignment. In 2024, Robert M. Marrero Jr. had 36 Original Medicare patients and 39 services. NPI 1912546383. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 500 Jefferson St, Whiteville, NC 28472 · Directions (1 more location)
  • Phone: (910) 642‑8011
  • Medicare: Accepts Medicare assignment
  • Hospital: Columbus Regional Healthcare System
  • Group practice: Columbus Regional Healthcare System
  • School: graduated 2019
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Robert M. Marrero Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Robert M. Marrero Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Robert M. Marrero Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Robert M. Marrero Jr. see?
In 2024, CMS data shows 36 Original Medicare patients and 39 services for Robert M. Marrero Jr.. This counts Original Medicare only and measures volume, not quality.
What is Robert M. Marrero Jr.'s NPI number?
1912546383. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Robert M. Marrero Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients36
Services billed to Medicare39
Different services or procedures23
Participating Medicare providerYes
Average age of these patients72

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes50%
  • Arthritis47%
  • Chronic kidney disease39%
  • Anxiety33%

Hospitals where Robert M. Marrero Jr. works

Medicare's Facility Affiliation Data lists Robert M. Marrero Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Robert M. Marrero Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Robert M. Marrero Jr. as a member of this group (CMS data updated October 2, 2026).

  • Columbus Regional Healthcare System123 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), North Carolina →

Other nurse anesthetists in Whiteville

Clinicians with the same Medicare primary specialty in Whiteville, NC — not a recommendation.

All nurse anesthetists in Whiteville →

Other clinicians in Columbus Regional Healthcare System

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCNA
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912546383
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians