DR. AARON JOHN GRACE PSY.D.
NPI 1720311467
Psychologist - Health in Waukesha, WI
About Dr. Aaron John Grace Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON JOHN GRACE PSY.D. (NPI 1720311467) is an individual health provider in Waukesha, Wisconsin, licensed in Wisconsin (3049-57) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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)
Dr. Aaron John Grace Psy.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Aaron Grace reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waukesha, WI 53188
- Reassigned Medicare billing, Wisconsin enrollment
- 528 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
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.
WAUKESHA, WI 53188
WAUKESHA, WI 53188
WAUKESHA, WI 53188
WAUKESHA, WI 53188
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 Aaron Grace's NPI number?
The NPI number for Aaron Grace is 1720311467. It was assigned to this individual provider in the NPPES registry on September 14, 2009.
Where is Aaron Grace located?
Aaron Grace practices at 210 NW Barstow St Suite 201, Waukesha, WI 53188. The listed phone number is (262) 548-6903.
What is Aaron Grace's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Health, with taxonomy code 103TH0004X.
Is Aaron Grace enrolled in Medicare?
Yes. Aaron Grace is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Aaron Grace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Grace reassigns Medicare benefits to 2 organizations: Prohealth Medical Group Inc (Waukesha, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, 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 Aaron Grace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Grace accept?
Health plans from Network Health and UnitedHealthcare list Aaron Grace 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 Aaron Grace was last updated on October 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.