HELEN ELIZABETH MULCAHY MD
NPI 1235799644
Hospitalist in Wilmette, IL
About Helen Elizabeth Mulcahy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN ELIZABETH MULCAHY MD (NPI 1235799644) is an individual hospitalist provider in Wilmette, Illinois, licensed in Illinois (036.171459) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Ann Arbor.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Helen Elizabeth Mulcahy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Helen Mulcahy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60091 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMETTE, IL 60091
WILMETTE, IL 60091
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 Helen Mulcahy's NPI number?
The NPI number for Helen Mulcahy is 1235799644. It was assigned to this individual provider in the NPPES registry on June 18, 2019.
Where is Helen Mulcahy located?
Helen Mulcahy practices at 3232 Lake Ave Ste 330, Wilmette, IL 60091. The listed phone number is (224) 226-9420.
What is Helen Mulcahy's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Helen Mulcahy enrolled in Medicare?
Yes. Helen Mulcahy is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Helen Mulcahy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Mulcahy reassigns Medicare benefits to 3 organizations: Lutheran General Hospital (Park Ridge, IL), University Of Pittsburgh Physicians (East Liverpool, OH) and Children's Hospital (Washington, DC). 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 Helen Mulcahy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Helen Mulcahy was last updated on December 20, 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.