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General Surgery

Christopher W. Marenco, MD

Sees patients in Honolulu, HI · Hawaii

Summary

Dr. Christopher W. Marenco, MD is a general surgeon at 55 Merchant St, Honolulu, HI 96813. May accept Medicare assignment. NPI 1093173890. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 55 Merchant St, Honolulu, HI 96813 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2016 (10 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher W. Marenco, 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 Christopher W. Marenco accept Medicare assignment?
Medicare's clinician data says Christopher W. Marenco may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Christopher W. Marenco's NPI number?
1093173890. 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 Christopher W. Marenco is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in Hawaii →

Other general surgeons in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

All general surgeons in Honolulu →

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1093173890
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 October 2, 2026, retrieved October 29, 2026
  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