Patti Giallanzo
NPI 1043715444ActiveIndividual· Nurse Practitioner, Acute Care· Walnut Creek, CA
Nurse Practitioner, Acute Care with Providence Medical Foundation, practicing in Walnut Creek, California. Mostly services rather than prescriptions: Medicare paid $41,881 for 194 patients in 2024, with only 18 Part D claims. Pfizer Inc. reported $28.48 in payments in 2025, mostly food and beverage. Lists Providence St Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1043715444 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2018 |
| Last updated in NPPES | Oct 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 95007194 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 585 across 9 procedure codes |
| Paid by Medicare | $41,881 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Total drug cost | $273.47 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St Joseph HospitalEureka, CA
Industry payments (Open Payments)
- 2025$28.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $28.48 | 1 |
What the 2025 payments were for
- Food and Beverage$28.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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