ELANA ANN GRIER D.O.
NPI 1023272267
Emergency Medicine in Madison, WI
About Elana Ann Grier D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELANA ANN GRIER D.O. (NPI 1023272267) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (56912-21) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.
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 (PECOS)
Elana Ann Grier D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Elana Grier reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 103 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- 132 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1699728550 (Wisconsin)
- 1,155 clinicians in this Medicare group
Dodgeville, WI 53533
- Reassigned Medicare billing, Wisconsin enrollment
- 130 clinicians in this Medicare group
Reedsburg, WI 53959
- Reassigned Medicare billing, Wisconsin enrollment
- 96 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Emergency Medicine Specialists Sc
- 244 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 53715
MADISON, WI 53715
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 Elana Grier's NPI number?
The NPI number for Elana Grier is 1023272267. It was assigned to this individual provider in the NPPES registry on July 16, 2008.
Where is Elana Grier located?
Elana Grier practices at 700 S Park St, Madison, WI 53715. The listed phone number is (352) 455-5888.
What is Elana Grier's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Elana Grier enrolled in Medicare?
Yes. Elana Grier is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elana Grier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elana Grier reassigns Medicare benefits to 6 organizations: Madison Emergency Physicians, Sc (Madison, WI), Prairie Ridge Health, Inc. (Columbus, WI), Mercy Health System Corporation (Janesville, WI), Upland Hills Health, Inc. (Dodgeville, WI), Reedsburg Area Medical Center, Inc. (Reedsburg, WI) and 1 more organization, listed in the Medicare section above. 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 Elana Grier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elana Grier accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Group Health Cooperative-SCW list Elana Grier 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.
When was this NPI record last updated?
The NPPES record for Elana Grier was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.