NICHOLAS W SULLIVAN DO
NPI 1922560713
Family Medicine in Madison, WI
About Nicholas W Sullivan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS W SULLIVAN DO (NPI 1922560713) is an individual family medicine provider in Madison, Wisconsin, licensed in Wisconsin (74439-21) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
Nicholas W Sullivan Do 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 Reassignments
2Medicare enrollment records show Nicholas Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53704
- Reassigned Medicare billing, Wisconsin enrollment
- 124 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53704 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.
MADISON, WI 53704
MADISON, WI 53704
MADISON, WI 53704
MADISON, WI 53704
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 Nicholas Sullivan's NPI number?
The NPI number for Nicholas Sullivan is 1922560713. It was assigned to this individual provider in the NPPES registry on April 2, 2019.
Where is Nicholas Sullivan located?
Nicholas Sullivan practices at 3209 Dryden Dr, Madison, WI 53704. The listed phone number is (608) 241-9020.
What is Nicholas Sullivan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Nicholas Sullivan enrolled in Medicare?
Yes. Nicholas Sullivan 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 organizations bill Medicare for Nicholas Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Sullivan reassigns Medicare benefits to 2 organizations: Access Community Health Centers, Inc. (Madison, WI) and University Of Wisconsin Medical Foundation, Inc (Middleton, WI). Each 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 Nicholas Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Sullivan accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Group Health Cooperative-SCW and Quartz list Nicholas Sullivan 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 Nicholas Sullivan affiliated with any hospitals?
According to CMS data, Nicholas Sullivan is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Nicholas Sullivan was last updated on October 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.