Margaret P. Guerrero, NP
NPI 1790856680ActiveIndividual· Nurse Practitioner· Anaheim, CA
Nurse Practitioner (NP) in Anaheim, California, licensed in CA, with an NPI issued in November 2006. Part D covered 2,381 prescriptions written in 2024, 10% of them generic. Tandem Diabetes Care, Inc. reported $66.19 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790856680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Dec 16, 2021 |
| Certified by provider | Dec 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | NP11576 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,381 · 5,953 30-day fills |
|---|---|
| Patients | 360 |
| Total drug cost | $1,093,085 |
| Generic share | 10% of claims |
Industry payments (Open Payments)
- 2025$66.19 · 3 payments from 1 company
- 2024$99.39 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $66.19 | 3 |
What the 2025 payments were for
- Food and Beverage$66.19 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Anaheim
- 1053046912
- 1720829195
- 1104511500
- 1427416841
- 1568651909
- 1023640935
- 1306913637
- 1356943294
- 1497242762
- 1508565110
- 1528808789
- 1558675173
All 104 nurse practitioners in Anaheim · All nurse practitioners in California