WILLIAM CURTIS SMALL MD
NPI 1992793673
Family Medicine in Williston, ND
About William Curtis Small Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CURTIS SMALL MD (NPI 1992793673) is an individual family medicine provider in Williston, North Dakota, licensed in North Dakota (11268) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health, and is a graduate of Wayne State University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William Curtis Small Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Small reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1902824576 (North Dakota)
- 268 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Alexius Health
Acute Care Hospitals · Bismarck, NDChi St Alexius Health Williston
Critical Access Hospitals · Williston, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLISTON, ND 58801
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 William Small's NPI number?
The NPI number for William Small is 1992793673. It was assigned to this individual provider in the NPPES registry on October 7, 2005. The provider is also known as William Curtis Small MD.
Where is William Small located?
William Small practices at 1213 15th Ave W, Williston, ND 58801. The listed phone number is (701) 774-7400.
What is William Small's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Small enrolled in Medicare?
Yes. William Small is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Small's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Small reassigns Medicare benefits to Mercy Medical Center (Williston, ND). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Small's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Small accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list William Small as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Small affiliated with any hospitals?
According to CMS data, William Small is affiliated with Chi St Alexius Health and Chi St Alexius Health Williston.
When was this NPI record last updated?
The NPPES record for William Small was last updated on September 14, 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.
# William Curtis Small, MD · NPI 1992793673
Family Medicine physician in Williston, North Dakota. Individual provider, active in the CMS NPPES registry since October 7, 2005.
## Identity
- **NPI:** 1992793673 (Entity type: Individual)
- **Enumerated:** October 7, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 11268 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1213 15TH AVE W, Williston, ND 58801-3800
- **Phone:** (701) 774-7400 · **Fax:** (701) 774-7482
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mercy Medical Center (NPI 1760549000, Williston, ND), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** September 14, 2012
- **Other identifiers:** Medicare UPIN E33925 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1992793673) · Data from the CMS NPPES public registry.