Louanne Lane Giangreco, MD
NPI 1740390574ActiveIndividual· Emergency Medicine· Hayward, CA
Emergency Medicine (MD) in Hayward, California, licensed in CA, RI, TN and FL and other states, with an NPI issued in August 2006. Part D covered 13 prescriptions written in 2024, 92% of them generic. Biomerieux Inc reported $1,925 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1740390574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Aug 14, 2024 |
| Certified by provider | Aug 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | C198335 | CA |
| Emergency Medicine | 207P00000X | ME164287 | RI |
| Emergency Medicine | 207P00000X | 69938 | TN |
| Emergency Medicine | 207P00000X | ME164287 | FL |
| Emergency Medicine | 207P00000X | 236573 | NY |
| Emergency Medicine | 207P00000X | MD.47637 | AL |
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 - Emergency Medicine (AL); Practitioner - Emergency Medicine (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 17 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $168.34 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2025$1,925 · 2 payments from 1 company
- 2024$73.30 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biomerieux Inc | $1,925 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,925 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 emergency medicine physicians in Hayward · All emergency medicine physicians in California