MARY KAY EWALD OTR/L
NPI 1952899064
Occupational Therapist in Queen Creek, AZ
About Mary Kay Ewald Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KAY EWALD OTR/L (NPI 1952899064) is an individual occupational therapist in Queen Creek, Arizona, licensed in Arizona (3275) and active in the NPI registry since April 2018. She is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Mary Kay Ewald Otr/l 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 Mary Ewald reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Prescott, AZ 86303
- Reassigned Medicare billing, Arizona enrollment
- 52 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Ewald's NPI number?
The NPI number for Mary Ewald is 1952899064. It was assigned to this individual provider in the NPPES registry on April 24, 2018. The provider is also known as Mary Kay Dunn Otr/L.
Where is Mary Ewald located?
Mary Ewald practices at 20715 E Ocotillo Rd Ste 103, Queen Creek, AZ 85142. The listed phone number is (480) 888-1558.
What is Mary Ewald's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mary Ewald enrolled in Medicare?
Yes. Mary Ewald 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 Mary Ewald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ewald reassigns Medicare benefits to Fox Rehabilitation Services Az LLC (Prescott, AZ). 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 Mary Ewald'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 Mary Ewald was last updated on September 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.