MELISSA OSULLIVAN LMSW
NPI 1831685809
Social Worker - Clinical in Troy, MI

Active since July 02, 2018PECOS Enrolled
888 W BIG BEAVER RD STE 780, TROY, MI 48084(248) 270-5660 Get Directions Write a Review

NPPES record last updated: March 9, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 9, 2023, Jul 2, 2018 (2 updates tracked since 2018).

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

NPI1831685809
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELISSA OSULLIVANCredential: LMSW
Location Address888 W BIG BEAVER RD STE 780Troy, MI 48084-4745
Mailing Address888 W Big Beaver Rd Ste 780Troy, MI 48084-4745 · (248) 270-5660
Sole ProprietorNo
Enumeration DateJuly 2, 2018
Last NPPES UpdateMarch 9, 20232 updates tracked since enumeration
NPPES CertifiedMarch 9, 2023
✔ NPI 1831685809 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
888 W BIG BEAVER RD STE 780, Troy, MI 48084

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Clinical
38807 ANN ARBOR RD STE 9
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.

New Patient
$0.00 typical visit price
range $58.04 – $177.36
Typical copayment $0.00 (range $14.51 – $44.34)
Most-billed visit code NA
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Social Worker (Clinical)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Social Worker (Clinical)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Social Worker (Clinical)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Counselor (Professional)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Social Worker (Clinical)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Counselor (Professional)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Clinic/Center (Adult Mental Health)
888 W BIG BEAVER RD STE 780
TROY, MI 48084
Psychologist (Clinical)
888 W BIG BEAVER RD STE 780
TROY, MI 48084

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.