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Nephrology

Gil A. Cu, MD

Works at hospitals in Jacksonville, FL · Fernandina Beach, FL · Great Falls, MT … · Florida, Montana

Summary

Gil A. Cu, MD (Nephrology) is listed by Medicare at 5 hospitals in Jacksonville, FL, Fernandina Beach, FL and Great Falls, MT and other places. NPI 1558338343. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gil A. Cu, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
MaleGender (as listed)
Benefis Hospitals IncGroup practice (+1 more)

Quick answers

Which hospitals does Gil A. Cu work at?
Medicare's official clinician data lists Gil A. Cu at 5 hospitals: Baptist Health Medical Center - Jacksonville, Baptist Medical Center - Nassau, Benefis Hospitals Inc, Shands Jacksonville and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gil A. Cu see patients?
Medicare's clinician data lists 4 practice locations, including Great Falls, MT, Jacksonville, FL and Missoula, MT. Call before your visit to confirm the address.
What is Gil A. Cu's specialty?
Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
Does Gil A. Cu accept Medicare assignment?
Yes. Medicare's clinician data says Gil A. Cu 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 Gil A. Cu?
(406) 455-5000, as listed in official Medicare / NPI Registry data.
What is Gil A. Cu's NPI number?
1558338343. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gil A. Cu works

Medicare's Facility Affiliation Data lists Gil A. Cu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gil A. Cu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gil A. Cu as a member of these groups (CMS data updated 2026-10-02).

  • Benefis Hospitals Inc384 clinicians in the group
  • Providence Health and Services Mt362 clinicians in the group

Specialties

Find other Nephrology doctors in Montana →

Other nephrologists in Great Falls

Clinicians with the same Medicare primary specialty in Great Falls, MT — not a recommendation.

All nephrologists in Great Falls →

Clinician information

CredentialMD
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558338343
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians