MARK ROY & ASSOCIATES INC.
NPI 1770516296
Specialist in Joliet, IL
About Mark Roy & Associates Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ROY & ASSOCIATES INC. (NPI 1770516296) is a healthcare organization registered as a specialist in Joliet, Illinois and active in the NPI registry since July 2006. The organization lists Mark A Roy, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Roy & Associates Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mark Roy & Associates Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mark Roy & Associates Inc.'s NPI number?
The NPI number for Mark Roy & Associates Inc. is 1770516296. It was assigned to this organization in the NPPES registry on July 8, 2006.
Where is Mark Roy & Associates Inc. located?
Mark Roy & Associates Inc. is located at 1000 Essington Rd, Joliet, IL 60435. The listed phone number is (815) 725-2272.
What is Mark Roy & Associates Inc.'s specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Mark Roy & Associates Inc. enrolled in Medicare?
Yes. Mark Roy & Associates Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mark Roy & Associates Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Mark Roy & Associates Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mark Roy & Associates Inc. was last updated on January 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mark Roy & Associates Inc. · NPI 1770516296
Specialist organization in Joliet, Illinois. Organization record, active in the CMS NPPES registry since July 8, 2006.
## Identity
- **NPI:** 1770516296 (Entity type: Organization)
- **Enumerated:** July 8, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Mark Roy, PRESIDENT
## Practice location
- **Address:** 1000 ESSINGTON RD, Joliet, IL 60435-2841
- **Phone:** (815) 725-2272
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Clinical Social Worker) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770516296) · Data from the CMS NPPES public registry.