Quick answers
- Where does Cassi Osak see patients?
- Medicare's clinician data lists 2 practice locations, including Grosse Pointe, MI and Roseville, MI. Call before your visit to confirm the address.
- What is Cassi Osak's specialty?
- Medicare lists Certified Nurse Midwife (CNM) as the primary specialty.
- Does Cassi Osak accept Medicare assignment?
- Yes. Medicare's clinician data says Cassi Osak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Cassi Osak?
- (586) 415-6200, as listed in official Medicare / NPI Registry data.
- What is Cassi Osak's NPI number?
- 1053948190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Cassi Osak is enrolled with Medicare (CMS data updated 2026-10-02).
- 16815 E Jefferson Ave, Suite 230Grosse Pointe, MI 48230 (586) 415‑6200
- 29751 Little Mack Ave, Suite BRoseville, MI 48066 (586) 415‑6200
Group practices
Medicare enrollment lists Cassi Osak as a member of this group (CMS data updated 2026-10-02).
- Together Women's Health Medical Group, P.C.76 clinicians in the group
Specialties
Find other clinicians: Certified Nurse Midwife (CNM), Michigan →
Other nurse midwifes in Grosse Pointe
Clinicians with the same Medicare primary specialty in Grosse Pointe, MI — not a recommendation.
Clinician information
| Credential | CNM |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053948190 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians