Crisanto Esguerra Melchor, NURSE PRACTITIONER
NPI 1427535582ActiveIndividual· Nurse Practitioner, Acute Care· Sun City, AZ
Nurse Practitioner, Acute Care (NURSE PRACTITIONER) with Greater Phoenix Collaborative Care PC, practicing in Sun City, Arizona. Their prescriptions cost Medicare Part D more than their services did: $524,082 for 7,495 claims, against $56,844 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $1,025 in all, mostly food and beverage.
Overview
| NPI | 1427535582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | Yes |
| NPI issued | Jul 22, 2018 |
| Last updated in NPPES | Dec 4, 2023 |
| Certified by provider | Dec 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | AP11564 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 218 |
|---|---|
| Services billed | 922 across 41 procedure codes |
| Paid by Medicare | $56,844 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,495 · 17,466 30-day fills |
|---|---|
| Patients | 762 |
| Total drug cost | $524,082 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Greater Phoenix Collaborative Care PCSurprise, AZ · 107 clinicians
Other facilities
- Vanura Homehealth Services ArizonaHome health agency · Sun City, AZ
Industry payments (Open Payments)
- 2025$1,025 · 8 payments from 5 companies
- 2024$542.52 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $319.03 | 2 |
| Medtronic, Inc. | $295.88 | 3 |
| Madrigal Pharmaceuticals | $144.15 | 1 |
| Ipsen Biopharmaceuticals, Inc | $140.85 | 1 |
| Abiomed | $124.98 | 1 |
What the 2025 payments were for
- Food and Beverage$1,025 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 acute care nurse practitioners in Sun City · All acute care nurse practitioners in Arizona