Roger S. Williams, MD
Neurology Physician · Billings, MT
Roger S. Williams, MD is a neurology physician with a practice address in Billings, Montana, and NPI 1750325692, issued on Jun 14, 2006. Check the license (Montana 6712, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Roger S. Williams
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 6712 MT
Self-reported in NPPES; status is on the state search - Practice location
- 120 Poly Dr, Billings, MT 59101
- Phone
- (406) 237-4050
- Enumerated
- Jun 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (406) 237-4004
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 54 in Montana → Look up another NPI →
Verify Roger S. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 6712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $21.43
1 payment: food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Roger S. Williams among 54 neurology physician records in Montana
Roger S. Williams, MD is one of 54 neurology physician records with a practice address in Montana. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Montana
There are 54 neurology physician records in Montana.
All 54 in Montana → Every provider in Billings → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Steven Arbogast, D.O.Billings, MT 591011962615377
- Gauhar ChaudharyBillings, MT 591011477873016
- Ann Collier, MDBillings, MT 591011487898458
- Javier Echeverri, M.D.Billings, MT 591011932169232
- Kris French, M.D.Billings, MT 591011841433034
- Mary Gaddy, MDBillings, MT 591011982716551
- Jeffrey Mosser, M.D.Billings, MT 591011891778148
- Dennis Obrien, MDBillings, MT 591011811981699
Common questions
What is Roger S. Williams, MD's NPI number?
Roger S. Williams, MD's National Provider Identifier (NPI) is 1750325692, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger S. Williams, MD located?
The NPPES record lists a practice address at 120 Poly Dr, Billings, MT, 59101. Phone: (406) 237-4050. Providers update this record themselves, so call before visiting.
How can I verify Roger S. Williams, MD's license?
NPPES lists Montana license number 6712, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.