Diana Diakakis, FNP-BC
NPI 1225465487ActiveIndividual· Nurse Practitioner, Family· Evanston, IL
Nurse Practitioner, Family (FNP-BC) with Minuteclinic Diagnostic of Illinois PLLC and 1 other group, practicing in Evanston, Illinois. Mostly services rather than prescriptions: Medicare paid $4,877 for 39 patients in 2024, with only 32 Part D claims. Astrazeneca Pharmaceuticals LP reported $120.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1225465487 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC |
| Sole proprietor | Yes |
| NPI issued | Oct 2, 2013 |
| Last updated in NPPES | Dec 6, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 209010787 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 83 across 18 procedure codes |
| Paid by Medicare | $4,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 38 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $1,761 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Minuteclinic Diagnostic of Illinois PLLCWorth, IL · 110 clinicians
- Minuteclinic Primary Care Illinois PLLCNew Lenox, IL · 102 clinicians
Industry payments (Open Payments)
- 2025$120.83 · 1 payment from 1 company
- 2024$61.12 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $120.83 | 1 |
What the 2025 payments were for
- Food and Beverage$120.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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