MELISSA OSULLIVAN LMSW
NPI 1831685809
Social Worker - Clinical in Troy, MI
About Melissa Osullivan Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA OSULLIVAN LMSW (NPI 1831685809) is an individual clinical provider in Troy, Michigan and active in the NPI registry since July 2018. 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)
Melissa Osullivan Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Melissa Osullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Livonia, MI 48150
- Reassigned Medicare billing, Michigan enrollment
- 12 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48084 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Melissa Osullivan's NPI number?
The NPI number for Melissa Osullivan is 1831685809. It was assigned to this individual provider in the NPPES registry on July 2, 2018.
Where is Melissa Osullivan located?
Melissa Osullivan practices at 888 W Big Beaver Rd Ste 780, Troy, MI 48084. The listed phone number is (248) 270-5660.
What is Melissa Osullivan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Melissa Osullivan enrolled in Medicare?
Yes. Melissa Osullivan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Melissa Osullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Osullivan reassigns Medicare benefits to Collaborative Health Center, PLLC (Livonia, MI). 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 Melissa Osullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Osullivan accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Melissa Osullivan 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 Melissa Osullivan was last updated on March 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.