CASSI OSAK CNM
NPI 1053948190
Midwife in Clinton Township, MI
About Cassi Osak Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSI OSAK CNM (NPI 1053948190) is an individual midwife in Clinton Township, Michigan, licensed in Michigan (4704309385) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2017).
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 and accepts Medicare assignment
Cassi Osak Cnm 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 Cassi Osak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Roseville, MI 48066
- Reassigned Medicare billing, Michigan enrollment
- 99 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.
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 Cassi Osak's NPI number?
The NPI number for Cassi Osak is 1053948190. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Cassi Osak located?
Cassi Osak practices at 18733 Thomasine St, Clinton Township, MI 48036. The listed phone number is (586) 838-6752.
What is Cassi Osak's specialty?
The primary specialty registered for this NPI is Midwife with taxonomy code 176B00000X.
Is Cassi Osak enrolled in Medicare?
Yes. Cassi Osak 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 Cassi Osak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassi Osak reassigns Medicare benefits to Together Women's Health Medical Group, P.C. (Roseville, 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 Cassi Osak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassi Osak accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Cassi Osak 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 Cassi Osak was last updated on March 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.