Martha Lizarraga De Garza, FNP
NPI 1366420648ActiveIndividual· Nurse Practitioner, Family· Green Valley, AZ
Nurse Practitioner, Family (FNP) with Greater Phoenix Collaborative Care PC, practicing in Green Valley, Arizona. Their prescriptions cost Medicare Part D more than their services did: $503,877 for 5,892 claims, against $43,733 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $1,374 in all, mostly food and beverage.
Overview
| NPI | 1366420648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jan 6, 2006 |
| Last updated in NPPES | Nov 19, 2024 |
| Certified by provider | Nov 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP2140 | AZ |
| Registered Nurse | 163W00000X | RN075113 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 1,230 across 49 procedure codes |
| Paid by Medicare | $43,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,892 · 13,917 30-day fills |
|---|---|
| Patients | 432 |
| Total drug cost | $503,877 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Greater Phoenix Collaborative Care PCSurprise, AZ · 107 clinicians
Other facilities
- Bayada Home Health Care, IncHome health agency · Tucson, AZ
- Dependable Home Health, IncHome health agency · Tucson, AZ
Industry payments (Open Payments)
- 2025$1,374 · 19 payments from 9 companies
- 2024$1,069 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $506.48 | 11 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $125.95 | 1 |
| Argenx US, Inc. | $125.00 | 1 |
| Amgen Inc. | $121.83 | 1 |
| Abbott Laboratories | $115.83 | 1 |
What the 2025 payments were for
- Food and Beverage$1,374 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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