DR. ROBERT J STOY MD
NPI 1215907514
Family Medicine in Hudson, WI
About Dr. Robert J Stoy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT J STOY MD (NPI 1215907514) is an individual family medicine provider in Hudson, Wisconsin, licensed in Wisconsin (22235) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Lakeview Memorial Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Robert J Stoy 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 Robert Stoy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hudson, WI 54016
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Hudson Physicians Sc
- 74 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.
Areas of Expertise CMS Part B claims 33
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeview Memorial Hospital
Acute Care Hospitals · Stillwater, MNM Health Fairview Woodwinds Hospital
Acute Care Hospitals · Woodbury, MNHudson Hospital
Critical Access Hospitals · Hudson, WIWestern Wisconsin Health
Critical Access Hospitals · Baldwin, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 12
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.
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 Robert Stoy's NPI number?
The NPI number for Robert Stoy is 1215907514. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is Robert Stoy located?
Robert Stoy practices at 403 Stageline Rd, Hudson, WI 54016. The listed phone number is (715) 531-6800.
What is Robert Stoy's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Robert Stoy enrolled in Medicare?
Yes. Robert Stoy 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 Robert Stoy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Stoy reassigns Medicare benefits to Hudson Physicians, S.C. (Hudson, WI). 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 Robert Stoy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Stoy accept?
Health plans from Anthem Blue Cross and Blue Shield and HealthPartners list Robert Stoy 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 Robert Stoy affiliated with any hospitals?
According to CMS data, Robert Stoy is affiliated with Lakeview Memorial Hospital, M Health Fairview Woodwinds Hospital, Hudson Hospital and Western Wisconsin Health.
When was this NPI record last updated?
The NPPES record for Robert Stoy was last updated on November 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.