Diane Denise Block, NP
NPI 1699158196ActiveIndividual· Nurse Practitioner· Fenton, MO
Nurse Practitioner (NP) with Mercy Clinic East Communities, practicing in Fenton, Missouri. Their prescriptions cost Medicare Part D more than their services did: $134,923 for 1,881 claims, against $20,685 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $337.95 in all, mostly food and beverage. Lists Mercy Hospital Jefferson as a hospital affiliation.
Overview
| NPI | 1699158196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 1, 2015 |
| Last updated in NPPES | Nov 19, 2020 |
| Certified by provider | Nov 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 2015013958 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 417 across 35 procedure codes |
| Paid by Medicare | $20,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,881 · 3,264 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $134,923 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliation
- Mercy Hospital JeffersonCrystal City, MO
Industry payments (Open Payments)
- 2025$337.95 · 11 payments from 6 companies
- 2024$429.60 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $136.26 | 3 |
| Abbvie Inc. | $67.99 | 1 |
| Astrazeneca Pharmaceuticals LP | $66.68 | 4 |
| Inspire Medical Systems, Inc. | $30.75 | 1 |
| Lilly USA, LLC | $20.38 | 1 |
What the 2025 payments were for
- Food and Beverage$337.95 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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