Tammy Jean Cass, NP-BC
NPI 1902459159ActiveIndividual· Nurse Practitioner, Family· Warren, MI
Nurse Practitioner, Family (NP-BC) with Nextcare Michigan Providers PLLC and 1 other group, practicing in Warren, Michigan. 29 Medicare patients in 2024, $109,430 paid; nearly all of their 349 Part D prescriptions were generic (95%). Aroa Biosurgery Incorporated was the largest of 16 companies reporting payments in 2025, $1,802 in all, mostly food and beverage. Lists Henry Ford Health St John Hospital as a hospital affiliation.
Overview
| NPI | 1902459159 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-BC |
| Sole proprietor | No |
| NPI issued | Jul 17, 2019 |
| Last updated in NPPES | Jul 24, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704211290 | MI |
| Registered Nurse | 163W00000X | 4704211290 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 660 across 21 procedure codes |
| Paid by Medicare | $109,430 |
Part D prescriptions in 2024
| Prescriptions (claims) | 349 · 351 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $4,180 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Nextcare Michigan Providers PLLCAnn Arbor, MI · 16 clinicians
- Healox Health PLLCSouthfield, MI · 9 clinicians
Hospital affiliation
- Henry Ford Health St John HospitalDetroit, MI
Industry payments (Open Payments)
- 2025$1,802 · 23 payments from 16 companies
- 2024$4,113 · 31 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aroa Biosurgery Incorporated | $201.43 | 2 |
| Medtronic, Inc. | $189.59 | 2 |
| Mimedx Group, Inc. | $177.11 | 4 |
| Axogen | $169.43 | 1 |
| Stryker Corporation | $148.24 | 1 |
What the 2025 payments were for
- Food and Beverage$1,802 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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