MR. STEPHEN JOHN VANWYLEN M.D.
NPI 1437115565
Surgery in Watford City, ND
About Mr. Stephen John Vanwylen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEPHEN JOHN VANWYLEN M.D. (NPI 1437115565) is an individual surgery provider in Watford City, North Dakota, licensed in North Dakota (8806) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Mckenzie County Healthcare Systems Inc, and is a graduate of Michigan State University College Of Human Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Mr. Stephen John Vanwylen M.d. 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 Stephen Vanwylen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Watford City, ND 58854
- Reassigned Medicare billing, North Dakota enrollment
- 108 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mckenzie County Healthcare Systems Inc
Critical Access Hospitals · Watford City, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WATFORD CITY, ND 58854
WATFORD CITY, ND 58854
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 Stephen Vanwylen's NPI number?
The NPI number for Stephen Vanwylen is 1437115565. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Stephen Vanwylen located?
Stephen Vanwylen practices at 709 4th Ave NE, Watford City, ND 58854. The listed phone number is (701) 842-3771.
What is Stephen Vanwylen's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Stephen Vanwylen enrolled in Medicare?
Yes. Stephen Vanwylen 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 Stephen Vanwylen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Vanwylen reassigns Medicare benefits to Mckenzie County Healthcare Systems Inc (Watford City, 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 Stephen Vanwylen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Vanwylen accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Stephen Vanwylen 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 Stephen Vanwylen affiliated with any hospitals?
According to CMS data, Stephen Vanwylen is affiliated with Mckenzie County Healthcare Systems Inc.
When was this NPI record last updated?
The NPPES record for Stephen Vanwylen was last updated on October 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.