ROGER S. WILLIAMS MD
NPI 1750325692
Psychiatry & Neurology - Neurology in Billings, MT

Q: What is Roger Williams's NPI number?

The NPI number for Roger Williams is 1750325692. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Q: What is Roger Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Roger Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 14, 2006

120 POLY DR, SUITE 201, BILLINGS, MT 59101(406) 237-4050(406) 237-4004 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Roger S. Williams Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROGER S. WILLIAMS MD (NPI 1750325692) is an individual neurology provider in Billings, Montana, licensed in Montana (6712) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1750325692

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameROGER S. WILLIAMSCredential: MD

Location Address120 POLY DR, SUITE 201Billings, MT 59101-0136

Mailing Address120 Poly Dr, Suite 201Billings, MT 59101-0136 · (406) 237-4290 · Fax (406) 237-4291

Phone(406) 237-4050

Fax(406) 237-4004

Sole ProprietorNo

Enumeration DateJune 14, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1750325692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in MT · 6712

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

120 POLY DR, Billings, MT 59101

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Roger Williams's NPI number?

The NPI number for Roger Williams is 1750325692. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Roger Williams located?

Roger Williams practices at 120 Poly Dr Suite 201, Billings, MT 59101. The listed phone number is (406) 237-4050.

What is Roger Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Roger Williams was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.