Derek James Williams, MD
Family Medicine Physician · Clancy, MT
Derek James Williams, MD is a family medicine physician with a practice address in Clancy, Montana, and NPI 1811907884, issued on Aug 9, 2006. Check the license (Montana 10496, as entered in NPPES) on the Montana Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Derek James Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 10496 MT
Self-reported in NPPES; status is on the state search - Practice location
- 204 Winslow Road, Clancy, MT 59634
- Phone
- (406) 461-0875
- Enumerated
- Aug 9, 2006
- Record last updated
- May 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 72539 MT
- Entity
- Type 1 · individual
Verify Derek James Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2 family medicine physician records list a practice address in Clancy
They are 2 of the 35 NPPES records with a practice address in Clancy, and 775 family medicine physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2 in Clancy → All 775 in Montana → Every provider in Clancy →
Other family medicine physician records in Montana
- Marc Adams, MDShelby, MT1265449482
- Dale Agner, M.D.Billings, MT1861486490
- Marjorie AlbersMiles City, MT1174029086
- Brandon Allen, MDEnnis, MT1215499421
- Hans Amen, D.O.Malmstrom Afb, MT1538426507
- Beth Ammons, MDMissoula, MT1780623926
- Bjorn Anderson, DOStevensville, MT1770146037
- Emily AndersonRonan, MT1750744942
- Jonathan Anderson, MDKalispell, MT1356397533
- Leah Anderson, M.D.Bozeman, MT1851504195
Common questions
What is Derek James Williams, MD's NPI number?
Derek James Williams, MD's National Provider Identifier (NPI) is 1811907884, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek James Williams, MD located?
The NPPES record lists a practice address at 204 Winslow Road, Clancy, MT, 59634. Phone: (406) 461-0875. Providers update this record themselves, so call before visiting.
How can I verify Derek James Williams, MD's license?
NPPES lists Montana license number 10496, 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. 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.