REBECCA MACGILLIVRAY
NPI 1255768230
Counselor - Mental Health in Oswego, IL
About Rebecca Macgillivray NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA MACGILLIVRAY (NPI 1255768230) is an individual mental health provider in Oswego, Illinois and active in the NPI registry since October 2013. 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)
Rebecca Macgillivray is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Rebecca Macgillivray reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynchburg, VA 24504
- Reassigned Medicare billing, Massachusetts enrollment
- 250 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 32 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Massachusetts enrollment
- 522 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OSWEGO, IL 60543
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 Rebecca Macgillivray's NPI number?
The NPI number for Rebecca Macgillivray is 1255768230. It was assigned to this individual provider in the NPPES registry on October 4, 2013.
Where is Rebecca Macgillivray located?
Rebecca Macgillivray practices at 3350 White Oak Dr, Oswego, IL 60543. The listed phone number is (630) 740-2528.
What is Rebecca Macgillivray's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Rebecca Macgillivray enrolled in Medicare?
Yes. Rebecca Macgillivray is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rebecca Macgillivray's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Macgillivray reassigns Medicare benefits to 3 organizations: Thrive Counseling LLC (Lynchburg, VA), Westside Behavioral Health, LLC (Brockton, MA) and Grow Healthcare Group PA (Miami, FL). 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 Rebecca Macgillivray's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rebecca Macgillivray accept?
Health plans from Harvard Pilgrim Health Care list Rebecca Macgillivray 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 Rebecca Macgillivray was last updated on October 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Rebecca Macgillivray · NPI 1255768230
Mental Health provider in Oswego, Illinois. Individual provider, active in the CMS NPPES registry since October 4, 2013.
## Identity
- **NPI:** 1255768230 (Entity type: Individual)
- **Enumerated:** October 4, 2013
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 3350 WHITE OAK DR, Oswego, IL 60543-7123
- **Phone:** (630) 740-2528
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Thrive Counseling LLC (NPI 1215181300, Lynchburg, VA); Westside Behavioral Health, LLC (NPI 1689720302, Brockton, MA); Grow Healthcare Group PA (NPI 1245845932, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 4, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1255768230) · Data from the CMS NPPES public registry.