Diane Lacroix, NP
NPI 1336122399ActiveIndividual· Nurse Practitioner· Grand Blanc, MI
Nurse Practitioner (NP) with Observation Medicine Group PLLC, practicing in Grand Blanc, Michigan. Mostly services rather than prescriptions: Medicare paid $5,577 for 54 patients in 2024, with only 27 Part D claims. Lists Ascension Genesys Hospital as a hospital affiliation.
Overview
| NPI | 1336122399 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 23, 2005 |
| Last updated in NPPES | Aug 24, 2023 |
| Certified by provider | Aug 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704172544 | MI |
| Nurse Practitioner | 363L00000X | 95024219 | CA |
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 (CA); Practitioner - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 54 |
|---|---|
| Services billed | 55 across 8 procedure codes |
| Paid by Medicare | $5,577 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 27 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $1,161 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Observation Medicine Group PLLCGrand Blanc, MI · 31 clinicians
Hospital affiliation
- Ascension Genesys HospitalGrand Blanc, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 nurse practitioners in Grand Blanc · All nurse practitioners in Michigan