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

General Surgery

Christopher Williams, MD

Works at hospitals in Hamilton, MT · Polson, MT · Missoula, MT · Montana

Summary

Christopher Williams, MD (General Surgery) is listed by Medicare at 3 hospitals in Hamilton, MT, Polson, MT and Missoula, MT. NPI 1871821744. 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 Christopher Williams, 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
13Years since medical school (graduated 2013)
Mercer University School Of MedicineMedical school
MaleGender (as listed)
Providence Health and Services MtGroup practice (+1 more)

Quick answers

Which hospitals does Christopher Williams work at?
Medicare's official clinician data lists Christopher Williams at 3 hospitals: Bitterroot Health - Daly Hospital, Providence St Joseph Medical Center and St. Patrick Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher Williams see patients?
Medicare's clinician data lists 2 practice locations, including Missoula, MT and Polson, MT. Call before your visit to confirm the address.
What is Christopher Williams's specialty?
Medicare lists General Surgery as the primary specialty.
Does Christopher Williams accept Medicare assignment?
Yes. Medicare's clinician data says Christopher Williams 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 Christopher Williams?
(406) 329-5660, as listed in official Medicare / NPI Registry data.
What is Christopher Williams's NPI number?
1871821744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher Williams works

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

Group practices

Medicare enrollment lists Christopher Williams as a member of these groups (CMS data updated 2026-10-02).

  • Providence Health and Services Mt362 clinicians in the group
  • Providence St Joseph Medical Center53 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 schoolMercer University School Of Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871821744
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