HELEN SANDERSON MD
NPI 1699274670
Allergy & Immunology - Allergy in Madison, WI
About Helen Sanderson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN SANDERSON MD (NPI 1699274670) is an individual allergy provider in Madison, Wisconsin, licensed in Wisconsin (83564) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Pennsylvania State University College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Helen Sanderson 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 Helen Sanderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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, WIFrequently 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 Helen Sanderson's NPI number?
The NPI number for Helen Sanderson is 1699274670. It was assigned to this individual provider in the NPPES registry on February 6, 2018.
Where is Helen Sanderson located?
Helen Sanderson practices at 20 S Park St Ste 460, Madison, WI 53715. The listed phone number is (608) 287-2600.
What is Helen Sanderson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.
Is Helen Sanderson enrolled in Medicare?
Yes. Helen Sanderson 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 Helen Sanderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Sanderson reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, 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 Helen Sanderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Helen Sanderson accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Dean Health Plan, Group Health Cooperative-SCW and HealthPartners and 2 other insurers list Helen Sanderson 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 Helen Sanderson affiliated with any hospitals?
According to CMS data, Helen Sanderson is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Helen Sanderson was last updated on December 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.
# Helen Sanderson, MD · NPI 1699274670
Allergy physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since February 6, 2018.
## Identity
- **NPI:** 1699274670 (Entity type: Individual)
- **Enumerated:** February 6, 2018
- **Primary specialty:** Allergy & Immunology - Allergy · taxonomy 207KA0200X
- **State license:** 83564 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 S PARK ST STE 460, Madison, WI 53715-1314
- **Phone:** (608) 287-2600
## 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:** University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** December 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1699274670) · Data from the CMS NPPES public registry.