Tatyanna Johnson, CNP
NPI 1427178250ActiveIndividual· Nurse Practitioner· Clarkston, MI
Nurse Practitioner (CNP) with Iha Ooma Primary LLC, practicing in Clarkston, Michigan. Their prescriptions cost Medicare Part D more than their services did: $213,775 for 2,679 claims, against $14,388 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $261.36 in all, mostly food and beverage. Lists Trinity Health Ann Arbor Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1427178250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Mar 29, 2007 |
| Last updated in NPPES | Sep 16, 2026 |
| Certified by provider | Sep 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704182339 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 102 |
|---|---|
| Services billed | 356 across 27 procedure codes |
| Paid by Medicare | $14,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,679 · 5,055 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $213,775 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Iha Ooma Primary LLCLake Orion, MI · 48 clinicians
Hospital affiliations
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$261.36 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $135.36 | 2 |
| Alexion Pharmaceuticals, Inc. | $126.00 | 1 |
What the 2025 payments were for
- Food and Beverage$261.36 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Clarkston
- 1255789202
- 1659041127
- 1831857903
- 1821048018
- 1174829733
- 1275779308
- 1639242597
- 1427161751