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General Surgery

Deron J. Ludwig, MD

Works at hospitals in Missoula, MT · Montana

Summary

Deron J. Ludwig, MD (General Surgery) is listed by Medicare at 1 hospital in Missoula, MT. NPI 1245310200. 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 Deron J. Ludwig, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Providence Health and Services MtGroup practice

Quick answers

Which hospitals does Deron J. Ludwig work at?
Medicare's official clinician data lists Deron J. Ludwig at 1 hospital: St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Deron J. Ludwig see patients?
Medicare's clinician data lists 1 practice location in Missoula, MT. Call before your visit to confirm the address.
What is Deron J. Ludwig's specialty?
Medicare lists General Surgery as the primary specialty.
Does Deron J. Ludwig accept Medicare assignment?
Yes. Medicare's clinician data says Deron J. Ludwig 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 Deron J. Ludwig's NPI number?
1245310200. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Deron J. Ludwig works

Medicare's Facility Affiliation Data lists Deron J. Ludwig 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 Deron J. Ludwig is enrolled with Medicare (CMS data updated 2026-10-02).

  • 500 W Broadway St 3rd FlMissoula, MT 59802

Group practices

Medicare enrollment lists Deron J. Ludwig as a member of this group (CMS data updated 2026-10-02).

  • Providence Health and Services Mt362 clinicians in the group

Specialties

Find other General Surgery doctors in Montana →

Other general surgeons in Missoula

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

All general surgeons in Missoula →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245310200
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