NPI Portal NPI Lookup & Verification

Christopher Ross Williams, MD

Christopher Ross Williams is a Surgery Physician provider (Surgery) practicing in Polson, MT, registered in the NPPES registry with NPI 1871821744 since 2009. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1871821744
Entity type Individual (Type 1)
Name Christopher Ross Williams
Credential MD
Sex Male
Practice address Polson, MT, 59860
Phone 4068835680
Fax 4068838910
Enumeration date 2009-12-03
Last updated in NPPES 2022-03-30

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208600000X Surgery Physician Secondary A164460 CA
208600000X Surgery Physician Primary MED-PHYS-LIC-104207 MT

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details
Provider: Christopher Williams, MD
NPI: 1871821744
Taxonomy: 208600000X (Surgery Physician)
Address: Polson, MT, 59860

Other providers at this practice address

NPI Name Type Specialty Location
1588669576 Kenneth Galewyrick Individual Emergency Medicine Physician Polson, MT
1336124072 Penny Starkel Individual Family Nurse Practitioner Polson, MT
1497726921 Joseph Howard Individual Family Medicine Physician Polson, MT
1184686859 Bruce Speicher Individual Emergency Medicine Physician Polson, MT
1770534315 Timothy Carte Individual Pediatrics Physician Polson, MT
1093755183 Sheila Reash Individual Certified Registered Nurse Anesthetist Polson, MT
1295762714 Jamie Straub Individual Obstetrics & Gynecology Physician Polson, MT
1558390617 Kelly Bagnell Individual Obstetrics Physician Polson, MT

Verify this record

Cross-check NPI 1871821744 against the authoritative CMS record: view Christopher Ross Williams on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Christopher Williams?
The National Provider Identifier (NPI) for Christopher Williams is 1871821744, a Type 1 (individual) record in the CMS NPPES registry.
Where does Christopher Williams practice?
The practice location on file with NPPES is in Polson, MT. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-03-30.