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DEREK JAMES WILLIAMS MD
NPI 1811907884
Family Medicine in Clancy, MT

Active since August 09, 2006PECOS Enrolled
204 WINSLOW ROAD, CLANCY, MT 59634(406) 461-0875 Get Directions Write a Review

NPPES record last updated: May 21, 2012. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Derek James Williams Md NPPES

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

DEREK JAMES WILLIAMS MD (NPI 1811907884) is an individual family medicine provider in Clancy, Montana, licensed in Montana (10496) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811907884
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDEREK JAMES WILLIAMSCredential: MD
Location Address204 WINSLOW ROADClancy, MT 59634
Mailing AddressPo Box 256Clancy, MT 59634-0256 · (406) 461-0875
Phone(406) 461-0875
Sole ProprietorNo
Enumeration DateAugust 9, 2006
Last NPPES UpdateMay 21, 2012
✔ NPI 1811907884 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MT · 10496
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
204 WINSLOW ROAD, Clancy, MT 59634
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Other Identifiers 3

Medicare ID-Type Unspecified83956MT
Medicaid72539MT
Medicare UPINI03070

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Derek James Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59634 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Derek Williams's NPI number?

The NPI number for Derek Williams is 1811907884. It was assigned to this individual provider in the NPPES registry on August 9, 2006.

Where is Derek Williams located?

Derek Williams practices at 204 Winslow Road, Clancy, MT 59634. The listed phone number is (406) 461-0875.

What is Derek Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Derek Williams enrolled in Medicare?

Yes. Derek Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Derek Williams was last updated on May 21, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.