May Charlene Quirino Zamora
NPI 1831683234ActiveIndividual· Nurse Practitioner, Family· Ontario, CA
Nurse Practitioner, Family with Cajon Medical Group PC, practicing in Ontario, California. Their prescriptions cost Medicare Part D more than their services did: $46,430 for 701 claims, against $5,509 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 4 companies reporting payments in 2025, $82.43 in all, mostly food and beverage.
Overview
| NPI | 1831683234 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2018 |
| Last updated in NPPES | Jun 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95009217 | 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 | 19 |
|---|---|
| Services billed | 114 across 16 procedure codes |
| Paid by Medicare | $5,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 701 · 1,535 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $46,430 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cajon Medical Group PCRedlands, CA · 18 clinicians
Industry payments (Open Payments)
- 2025$82.43 · 4 payments from 4 companies
- 2024$28.22 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $31.38 | 1 |
| Exact Sciences Corporation | $20.69 | 1 |
| Janssen Pharmaceuticals, Inc | $15.95 | 1 |
| Dexcom, Inc. | $14.41 | 1 |
What the 2025 payments were for
- Food and Beverage$82.43 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 family nurse practitioners in Ontario · All family nurse practitioners in California