Krystal Marie Scales, PA-C
NPI 1518404177ActiveIndividual· Nurse Practitioner, Family· Gilbert, AZ
Nurse Practitioner, Family (PA-C) with Ironwood Physicians PC, practicing in Gilbert, Arizona. Their prescriptions cost Medicare Part D more than their services did: $155,091 for 2,212 claims, against $889.58 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 29 companies reporting payments in 2025, $1,469 in all, mostly food and beverage. Lists Chandler Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1518404177 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 20, 2017 |
| Last updated in NPPES | Jan 19, 2024 |
| Certified by provider | Jan 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP9755 | 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 | 14 |
|---|---|
| Services billed | 21 across 7 procedure codes |
| Paid by Medicare | $889.58 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,212 · 2,962 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $155,091 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Hospital affiliations
- Chandler Regional Medical CenterChandler, AZ
- Mercy Gilbert Medical CenterGilbert, AZ
Industry payments (Open Payments)
- 2025$1,469 · 64 payments from 29 companies
- 2024$2,366 · 95 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $231.47 | 11 |
| Janssen Biotech, Inc. | $171.72 | 6 |
| Pfizer Inc. | $144.69 | 5 |
| Astrazeneca Pharmaceuticals LP | $125.05 | 5 |
| Daiichi Sankyo Inc. | $101.78 | 4 |
What the 2025 payments were for
- Food and Beverage$1,330 · 61 payments
- Education$139.29 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 310 family nurse practitioners in Gilbert · All family nurse practitioners in Arizona