Diana L. Chou, FNP
NPI 1134484355ActiveIndividual· Nurse Practitioner, Family· Edgewood, MD
Nurse Practitioner, Family (FNP) with Harford County Health Department, practicing in Edgewood, Maryland. Their prescriptions cost Medicare Part D more than their services did: $238,314 for 1,268 claims, against $43,756 paid for services in 2024. Gilead Sciences, Inc. was the largest of 4 companies reporting payments in 2025, $95.21 in all, mostly food and beverage.
Overview
| NPI | 1134484355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Jul 13, 2012 |
| Last updated in NPPES | Apr 27, 2025 |
| Certified by provider | Apr 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R208535 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 444 |
|---|---|
| Services billed | 947 across 16 procedure codes |
| Paid by Medicare | $43,756 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,268 · 2,445 30-day fills |
|---|---|
| Patients | 417 |
| Total drug cost | $238,314 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Harford County Health DepartmentEdgewood, MD · 14 clinicians
Industry payments (Open Payments)
- 2025$95.21 · 5 payments from 4 companies
- 2024$1,307 · 28 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $38.32 | 2 |
| Hologic Sales and Service, LLC | $24.83 | 1 |
| Abbvie Inc. | $24.30 | 1 |
| Boston Scientific Corporation | $7.76 | 1 |
What the 2025 payments were for
- Food and Beverage$95.21 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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